PT0E-1427

Portable Gas Leak Detector

SP-220 Series
SP-220(TYPE FUM)
SP-220(TYPE SC)
Operating ManualContents
1. Outline of the Product..................................................................................................................................... 3
Preface ............................................................................................................................................................ 3
Purpose of use ................................................................................................................................................ 3
Definition of DANGER, WARNING, CAUTION and NOTE ............................................................................ 3
Method of confirmation for CE/UKCA marking type ....................................................................................... 4
2. Important Notices on Safety ........................................................................................................................... 5
2-1. Danger cases........................................................................................................................................... 5
2-2. Warning cases ......................................................................................................................................... 6
2-3. Precautions .............................................................................................................................................. 7
3. Product Components ...................................................................................................................................... 9
3-1. Names and functions for each part ......................................................................................................... 9
4. How to Use ................................................................................................................................................... 124-1. Before using the detector ...................................................................................................................... 12
4-2. Preparation for start-up ......................................................................................................................... 12
4-3. How to replace the batteries.................................................................................................................. 12
4-4. How to start the detector ....................................................................................................................... 14
4-5. Basic operating procedures................................................................................................................... 16
4-6. How to detect ......................................................................................................................................... 17
4-7. Change of the concentration measuring mode ..................................................................................... 18
4-8. Perform air calibration ........................................................................................................................... 21
4-9. Snap logger ........................................................................................................................................... 22
4-10. Peak hold function ............................................................................................................................... 24
4-11. Change of the alarm and operation sounds ........................................................................................ 24
4-12. How to turn on the illumination lamp ................................................................................................... 25
4-13. Power-off ............................................................................................................................................. 25
5. How to Set Display Mode ............................................................................................................................. 26
5-1. Entering the display mode ..................................................................................................................... 26
5-2. Concentration displayed gas reading setting ........................................................................................ 29
5-3. Change of the measuring mode (only for fumigation gases) ................................................................ 33
5-4. Log data display .................................................................................................................................... 34
6. How to Set User Mode ................................................................................................................................. 35
6-1. Entering the user mode ......................................................................................................................... 35
6-2. Date/time setting .................................................................................................................................... 37
6-3. Clock function ON/OFF setting.............................................................................................................. 38
7. Alarm function ............................................................................................................................................... 39
7-1. Gas alarm activation .............................................................................................................................. 39
7-2. Fault alarm activation ............................................................................................................................ 39
8. Maintenance ................................................................................................................................................. 40
8-1. Maintenance intervals and items ........................................................................................................... 40
8-2. How to clean .......................................................................................................................................... 42
8-3. Parts replacement ................................................................................................................................. 42
9. Storage and Disposal ................................................................................................................................... 44
9-1. Procedures to store the detector or leave it for a long time .................................................................. 44
9-2. Procedures to use the detector again ................................................................................................... 44
9-3. Disposal of products .............................................................................................................................. 44
10. Troubleshooting .......................................................................................................................................... 46
11. Product Specifications ................................................................................................................................ 48
12. Appendix ..................................................................................................................................................... 49
12-1. Definition of terms................................................................................................................................ 49-2-

1. Outline of the ProductPreface11.

Outline of the ProductPrefaceThank you for choosing our gas leak detector SP-220 series (hereinafter referred to as the detector).
Please check that the model number of the product you purchased is included in the specifications on thismanual.
This manual explains how to use the gas detector and its specifications. It contains information required
for using the detector properly. Not only the first-time users but also the users who have already used the
product must read and understand the operating manual to enhance the knowledge and experience
before using the detector.
Note that the contents of this manual are subject to change without notice for product improvement. It isalso prohibited to copy or reproduce this manual, in whole or in part, without permission.
Regardless of warranty period, we shall not make any indemnification for accidents and damage causedby using the detector.
Make sure to read the warranty policy specified on the warranty.

Purpose of use
This detector is used to detect a single channel, such as hydrogen phosphide (phosphine: PH3), etc., inair.
It provides two different specifications : TYPE FUM used to detect leakage of fumigation gases and TYPE
SC used to detect leaking of general gases including semiconductor material gases.
Detection results are not intended to guarantee life or safety in any way.

Definition of DANGER, WARNING, CAUTION and NOTE
Throughout this manual, the following indications are used to ensure safe and effective work.

DANGER

This message indicates that improper handling may cause serious
damage on life, health or assets.

WARNING

This message indicates that improper handling may cause serious
damage on health or assets.

CAUTION

This message indicates that improper handling may cause minor
damage on health or assets.

NOTE

This message indicates advice on handling.

-3-1. Outline of the Product

Method of confirmation for CE/UKCA marking type

Method of confirmation for CE/UKCA marking type
The CE/UKCA marking is labeled on the detector in case of comply with CE/UKCA mark. Please confirm
the instrument specification before using. Please refer Declaration of Conformity that is at the end of thismanual if you have CE/UKCA marking type.

CE/UKCA mark

CE/UKCA mark label-4-

2. Important Notices on Safety

2-1. Danger cases

22.

Important Notices on
SafetyTo maintain the performance and use the gas detector safely, observe the following instructions of
DANGER, WARNING and CAUTION.

2-1. Danger cases
DANGER
About use
 This is not an explosion-proof detector. You must not use it to detect
gases exceeding the lower explosive limit (LEL).
 While conducting measurement in a manhole or confined space, do not lean over or look into
the manhole or closed space. It may lead to dangers because oxygen-deficient air or othergases may blow out.
 Oxygen-deficient air or other gases may be discharged from the gas exhausting outlet of thedetector. Never inhale the air or gases.
 High-concentration (100% LEL or higher) gases may be discharged from the gas exhaustingoutlet of the detector. Never use fire near it.

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2. Important Notices on Safety

2-2. Warning cases

2-2. Warning cases
WARNING
Sampling point pressure The concentration meter is designed to draw gases under the atmospheric pressure. If
excessive pressure is applied to the gas inlet and outlet of the detector, measured gases mayleak out from its inside and may cause dangerous conditions. Be sure that excessive pressure
is not applied to them while used.
Air calibration in atmosphere When air calibration is performed in the atmosphere, check the atmosphere for freshness
before beginning it. If interference gases exist, the adjustment cannot be performed properly,
thus leading to dangers when the gas leaks.
Response to gas alarm A gas alarm is triggered by changes in temperature and humidity. In such a case, check theatmosphere for freshness and perform air calibration again in the measured atmosphere.
Example) If the detector is turned on in a room with a temperature of 20ºC and a humidity of
40% RH and taken outside (a temperature of 30ºC and a humidity of 60% RH), an alarm istriggered by humidity changes. In such a case, perform air calibration outside and measure.
The detector performs air calibration automatically when it is turned on. Even in such a case,check the atmosphere for freshness and perform air calibration again in the measured
atmosphere.

WARNING
Battery level check Before use, check that there remains sufficient battery power. When the detector is not used
for a long period, the batteries may be exhausted. Never fail to replace them with new ones
before use.
 If a low battery voltage alarm is triggered, gas detection cannot be conducted. If the alarm istriggered during use, turn off the power and promptly replace the batteries in a safe area.
Others Do not throw the detector into fire.
 Do not wash the detector in a washing machine or ultrasonic cleaner.
 Do not block the buzzer sound opening. No alarm sound can be heard.
 Do not remove the battery while the power is on.

-6-

2. Important Notices on Safety

2-3. Precautions

2-3. Precautions
CAUTION
Do not use the gas detector where it is exposed to oil, chemicals, etc. Do not submerge thedetector under water on purpose.
 Do not use in a place where the detector is exposed to liquids such as oil, chemicals, etc.
 The detector is not water-pressure-resistant. Do not use the detector where a high waterpressure is applied to it (under a faucet, shower, etc.) or submerge it under water for a longtime. The detector is water-proof only in fresh water and running water, and not in hot water,
salt water, detergent, chemicals, human sweat, etc.
 The gas inlet and outlet are not water-proof. Be careful not to let water such as rainwater, etc.
get into these parts. Because this may cause trouble and gas cannot be detected.
 Do not place the detector where water or dirt gets accumulated. The detector placed at such alocation may cause malfunction due to water or dirt that gets into the buzzer opening, etc.
 Note that drawing in dirty water, dust, metallic powder, etc. will significantly deteriorate thesensor sensitivities. Be careful when the detector is used in an environment where theseelements exist.
Do not use the detector in a place where the temperature drops below -20ºC or rises over 55ºC.
 The operating temperature of the detector is -20 to +55ºC. Do not use the detector at higher
temperatures, humidities and pressures or at lower temperatures than the operating range.
 Avoid long-term use of the detector in a place where it is exposed to direct sunlight.
 Do not store the detector in a sun-heated car.
 Avoid a sudden humidity or temperature change.
 Do not leave the detector in a place with high temperature and humidity for a long time. The
performance of the detector may deteriorate.
Observe the operating restrictions to prevent condensation inside the concentration meter orgas sampling hose.
 Condensation formed on the detector or taper nozzle causes clogging or gas adsorption,
which may disturb accurate gas detection. Thus, condensation must be avoided. In addition to
the installation environment, carefully monitor the temperature/humidity of the sampling point
to prevent condensation on the detector or taper nozzle. Please observe the operating
restrictions.
Do not use a transceiver near the detector.
 Radio wave from a transceiver near the detector may disturb readings. If a transceiver orother radio wave transmitting device is used, it must be used in a place where it disturbs
nothing.
 Do not use the detector near a device that emits strong electromagnetic waves (highfrequency or high-voltage devices).
Verify that the flow check display is rotating before using the detector
 If the pump driving indicator is not rotating, gas cannot be measured properly. Check whether
the flow rate is lost.
Never fail to perform a regular maintenance.
 Since this is a precision devices, a regular maintenance must be performed. Continuing to
use the detector without performing maintenance will compromise the sensitivity of the sensor,
thus resulting in inaccurate gas detection.

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2. Important Notices on Safety

2-3. Precautions

CAUTION
Others Exposing the sensor to a gas for a long time or a high-concentration gas may result in that thegas alarm will remain for a certain period. If the exposure occurs, allow the instrument to draw
fresh air for more than 5 minutes (recommendation), and then perform air calibration again.
 Pressing buttons unnecessarily may change the settings, preventing alarms from activatingcorrectly. Operate the detector using only the procedures described in this operating manual.
 Do not drop or give shock to the detector. The accuracy of the gas detector may be
deteriorated.
 Do not jab the buzzer opening with a sharp-pointed item. Doing so may cause a failure ordamage.
 Do not remove the panel sheet on the display. The water-proof and dust-proof performances
will be deteriorated.
 Do not affix a label or the like on the infrared port. Infrared communications can no longer be
conducted.
 The operating environment may include gases that have harmful effects on the sensor of thedetector. The detector cannot be used in the presence of the following gases:(1) High-concentration sulfides (such as H2S, SO2, etc.)(2) Halogen gases (such as chloride compounds, etc.)(3) Silicone (Si compounds)(4) High-concentration solvent gases
Do not use the detector in the presence of the above (1), (2), and (3) gases (such as highconcentration sulfides, halogen gases, silicone, etc.), which may shorten the sensor life
significantly or cause malfunctions such as inaccurate readings.
In case the gas detector is used for detection in the presence of silicone, etc., be sure tocheck the gas sensitivities before using it again.
If the above (4) gas (high-concentration solvent gas) is exposed, a crack may occur in thedetector. Thus, do not use high-concentration solvent gases.
About battery replacement
 Never fail to turn off the power of the detector before replacing the batteries.
 Replace both of the two batteries with new ones at one time.
 Pay attention to the polarities of the batteries.
Usage In a low-temperature environment, the operating time is shortened due to the battery
performance property.
 At low temperatures, the responses of the LCD display may slow down.
 Perform air calibration under pressure and temperature/humidity conditions close to those in
the operating environment and in fresh air.
 Perform air calibration after the reading is stabilized.
 If there is a sudden temperature change of 15ºC or more between the storage and operational
locations, turn on the power of the gas detector, let it stand for about 10 minutes in a similar
environment to the operational location, and perform air calibration in fresh air before using it.
 When cleaning the gas detector, do not splash water over it or use organic solvents such as
alcohol and benzine on it. The surface of the gas detector may be discolored or damaged.
 If the gas detector is not used for a long time, turn on the power at least once every six
months and check that the pump draws in air (about three minutes). The gas detector, when
not activated for a long time, may cease to work because of hardening of the grease in thepump motor.
 If the gas detector is not used for a long time, store it after removing the batteries. Battery
leaks may result in fire, injury, etc.
 When the detector is used again after a long-period storage, never fail to perform air
calibration. For information on readjustment including air calibration, please contact RIKEN
KEIKI.

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3. Product Components

3-1. Names and functions for each part3
3.

Product Components

3-1. Names and functions for each part
This section describes names and functions of main unit and battery unit parts and LCD display.

Main unit
(1)
(11)

(2)
(3)

(7)
(4)

(5)
(6)

(9)
(8)
(10)

No.
(1)

Gas inlet

Collects gases.

(2)

Alarm LED arrays

Blinks or lights up in response to an alarm.

(3)

LCD display

Displays gas concentrations, measured gas name, alarms, etc.

(4)

AIR button

Keep this button pressed to perform air calibration. Used to change
the screen and increase numerical values in the setting mode.

(5)

MODE button

Press this button to change between display modes. Used to change
the screen and increase numerical values in the setting mode.

(6)

POWER button

Turns the power ON or OFF. Used to change the screen and confirm
values in the setting mode.

(7)

Gas outlet

Exhausts the gas drawn into the detector. (Do not block it.)(8)

Alarm LED arrays

Blinks or lights up in response to an alarm.

(9)

Infrared port

Used during infrared communications.

(10)

Battery cover
LED light

Protects the battery. Remove it to replace the batteries.
Provides you light for work.

（11）

Name

Function-9-3. Product Components

3-1. Names and functions for each part

Standard accessories
Unpack and check the main unit and accessories.
AA alkaline battery (2 pcs) (installed)
Taper nozzle (1 pc)
Rubber protection cover (1 pc) (Protect the detector from shocks by being hit, etc.)Hand strap (1 pc)

Waterproofing filter for exchange(5 pcs)

Product warranty (English) (1 pc)
Product warranty (Japanese) (1 pc)
Operating manual (English) (1 pc)
Operating manual (Japanese) (1 pc)
Appearance
and amount

Name

Quantity

Name

1 pc

AA
alkaline battery

Appearance
and amount

Quantity(attached)

Approx.70mm

1pc

Hand strap

1pc

Approx.2g

Plastic bag

φ16mm

Approx.150mm

Approx.44g

Approx.42g

Approx.9g

Water-proofing
filter for
exchange

2 pcs(installed)

Approx.14.5mm

Approx.47mm

Taper nozzle

Approx.50mm

Rubberprotection
cover

Approx.149mm

Approx.42.5mm

5pcs

Approx.1g

Operatingmanual(English)－

1pc

Operatingmanual(Japanese)－

1pc

Product
warranty(English)－

1pc

Product
warranty(Japanese)－

1pc

If there is anything missing, contact RIKEN KEIKI.

CAUTION Do not remove the panel sheet on the display. The water-proof and dust-proof performances
will be deteriorated.
 Do not affix a label or the like on the infrared port. Infrared communications can no longer be
conducted.
- 10 -

3. Product Components

3-1. Names and functions for each part

LCD display
(5)

(1)
(2)

(6)

(7)
(3)

(8)
(4)
(9)

No.
(1)

Name
Operating state display

Function
Displays the operating status in the detection mode. Normal: Blinking(2)

Flow check display

Displays the drawing status. Normal: Rotating(3)

Gas concentration
display

Displays gas concentration and unit.

(4)

Alarm sound display

Displays the setting status of the alarm sound.
Displays the setting status of the operation sound.

(6)

Operation sounddisplay
Battery level icon

Displays a reference of the battery level.

(7)

Bar meter display

Displays the level of gas concentration with the bar meter(8)

Mode display

Displays the measuring mode status.

(9)

Gas name andmessage display

Displays the gas name and a message according to the function.

(5)

NOTE

 The meanings of battery level icons are as follows::Sufficient /:Low /:Needs replacing the butteries
If the battery level further drops, the inside of the battery icon starts to blink (.

- 11 -.).

4. How to Use

4-1. Before using the detector

44.

How to Use

4-1. Before using the detector
Not only the first-time users but also the users who have already used the detector must follow theoperating precautions.
Ignoring the precautions may damage the unit, resulting in inaccurate gas measurement.

4-2. Preparation for start-up
Before use, read and understand the following precautions. Ignoring these may cause inaccurate gas
detection.
• The batteries are installed (with sufficient battery level).
• Check that the taper nozzle and filter are not contaminated.
• Check that the taper nozzle is not bent or has no hole.
• Check that the nipple to which the taper nozzle is attached is not loose.

4-3. How to replace the batteries
When the detector is used for the first time, or when the battery level is low, attach two new AA alkaline
batteries according to the following procedures.

1

Check that the power of thedetector is turned off.
Turn off the power if it is turned on.

2Turn the lock plate
counterclockwise and open
the battery cover.

3

Remove old batteries andthen put new batteries whileobserving the correct polarity.

4

Battery cover
Dry battery

Lock plate

Close the battery cover andturn the lock plate clockwise
to lock.
Polarity ofdry battery- 12 -

4. How to Use

4-3. How to replace the batteries

CAUTION

Never fail to turn off the power of the detector before replacing the batteries.
Replace the batteries in a safe place.
Replace both of the two batteries with new ones at one time.
Pay attention to the polarities during replacement. Replace while checking the battery
polarities stamped on the body.
 If the battery cover is not completely locked, the dry batteries may drop off or water may get inthrough the clearance. Water may also get in if a minute foreign substance is caught between
the detector and battery cover.

- 13 -

4. How to Use

4-4. How to start the detector

4-4. How to start the detector
When the power is turned on, a self-diagnostic starts, and then the detector enters the detection mode.

Power-onPress and hold the POWER button until the buzzer blips (one second or longer) to turn on the power.
When the power is turned on, the LCD display changes automatically as shown below, and the detector
enters the detection mode.
(Display example: For fumigation gases)

1 Press and hold the POWER button for one second or longer.

Hold it down until all the LCDs and alarm lamp light up and the buzzer blips.
All LCDs
light up

Date/time
display *Display example:
Thursday,
October 01, 2015
12:34

Gas name/full scale
display

Warm-up time

Display example:
PH3(Display for
fumigation gases)

Detection mode

Automatic air
calibration
display

The buzzer blips
once and thedetection mode isdisplayed.

- 14 -

4. How to Use

4-4. How to start the detector* The date/time display is displayed only when the clock function is enabled. It is not displayed because
the clock function is disabled by default.
To enable the clock function, see "6-3. Clock function ON/OFF setting" on page 38.

NOTE

 When powering on after leaving the detector for more than five minutes with the batteries removed,
such as when powering on for the first time, replacing the batteries, etc., or powering on with thebatteries inserted with incorrect polarities, a clock abnormality (FAIL CLOCK) may be triggered.
When it is reset using the MODE button, the detector moves to the date/time setting screen. See "62. Date/time setting" on page 35 and set the date/time.
 Warm-up time (WARM UP) is different depending on the stability status of the sensor.
 If the detector is not used for a long period, warm-up time may be longer or a sensor abnormality(FAIL SENSOR) may be displayed. In such a case, restart the detector.
 The detector performs air calibration automatically on start-up. If an environment where the detector
is turned on is different from the measured atmosphere, perform air calibration again in themeasured atmosphere.
About LCD backlight Pressing the AIR, MODE or POWER button turns on the LCD backlight. The LCD backlight goes off
after 30 seconds or so of no operation.
When an alarm is triggered, the LCD backlight lights up automatically.

- 15 -

4. How to Use

4-5. Basic operating procedures

4-5. Basic operating procedures
The detection mode is used after power-on.
(Display example: For fumigation gases)

MODE button

AIR + POWER buttons
Hold down for
3 secsHold down for
1 sec

Hold down for
3 secs<Peak clear><Peak hold ON/OFF>

Illumination
lamp lights
up<Operation/alarm sound ON/OFF><Display mode><Detection mode>

AIR buttons
Hold down for
3 secsAIR + MODE buttons

MODE + POWER buttons<Air calibration><Alarm setpoint change><Snap logger record>* Displayed only when the clock function
is enabled. See "6-3. Clock function
ON/OFF setting" on page 36.

- 16 -

4. How to Use

4-6. How to detect

4-6. How to detect
Put the tip of the taper nozzle close to the detection area in the detection mode and perform gas
detection.
If a gas is drawn, the detected gas concentration is displayed with the bar meter on the LCD display.

DANGER While conducting measurement in a manhole or confined space, do not lean over or look into
the manhole or closed space. It may lead to dangers because oxygen-deficient air or othergases may blow out.
 Oxygen-deficient air or other gases may be discharged from the gas exhausting outlet of thedetector. Never inhale the air or gases.
 High-concentration (100% LEL or higher) combustible gases may be discharged from the gas
exhausting outlet of the detector. Never use fire near it.

WARNING The detector is designed to draw gases around it under the atmospheric pressure. If
excessive pressure is applied to the gas inlet and outlet of the detector, detected gases mayleak out from its inside and may cause dangerous conditions. Be sure that excessive pressure
is not applied to the detector while used.
 When air calibration is performed in the atmosphere, check the atmosphere for freshness
before beginning it. If interference gases exist, the adjustment cannot be performed properly,
thus leading to dangers when the gas leaks.
 Issuance of a gas alarm indicates that there are extreme dangers. Take proper actions basedon your judgment.
 Before use, check that there remains sufficient battery power. When the detector is not used
for a long period, the batteries may be exhausted. Never fail to replace them with new ones
before use.
 If a low battery alarm occurs, gas detection cannot be conducted. If the alarm is triggered
during use, turn off the power and promptly replace the batteries in a safe area.
 Do not block the buzzer sound opening. No alarm sound can be heard.
 If the main unit is dropped or given a shock, the reading may rise and it may remain so. Insuch a case, perform air calibration in a place where the surrounding air is fresh.

CAUTION Before performing gas detection, attach the taper nozzle provided with the detector to prevent
disturbances by air dust.

- 17 -

4. How to Use

4-7. Change of the concentration measuring mode

4-7. Change of the concentration measuring mode
In the detector, the detection gas type is factory set to PH3 (phosphine) and the alarm setpoint is factory
set to 0.1.
The alarm setpoint mode can be changed, depending on the gas to be detected, in three levels forfumigation gases and two levels for semiconductor material gases.
For the concentration measuring for fumigation gases, the concentration measuring mode or differential
measuring mode can be selected.
In the differential measuring mode, "LOW MODE" and "HIGH MODE" can be switched.
<Concentration measuring mode>
Perform air calibration in the atmosphere.
Then, the mode monitors changes to the air value, showing the correlation between a leakage amountand the bar display.
(If the measured atmosphere changes, perform air calibration again.)<Differential measuring mode>
Perform automatic air calibration at regular intervals in the atmosphere of measurement environment. Thisis a high sensitivity mode that enables detection of ultralow amount of leaking gas in the air by eliminating
the environmental effects (other gases, temperature and humidity). Since it can detect a slight amount of
increase in gas concentration even in the environment where a gas is leaking already, this measuringmode is effective to identify a leaking point.

Gas alarm setpoint for concentration measuring mode (forfumigation gases)
1

In the detection mode, press the AIR and MODE buttons at the same time.
The alarm setpoint changes by three every time the AIR and MODE buttons are pressed.

- 18 -

4. How to Use

4-7. Change of the concentration measuring mode

Gas alarm setpoint for concentration measuring mode (forsemiconductor material gases)
1

In the detection mode, press the AIR and MODE buttons at the same time.
The alarm setpoint changes by two every time the AIR and MODE buttons are pressed.

Gas alarm setpoint for differential measuring mode (only for
fumigation gases)
1 In the detection mode, press the AIR and MODE buttons at the same time.

The alarm setpoint changes in six steps every time the AIR and MODE buttons are pressed.

- 19 -

4. How to Use

4-7. Change of the concentration measuring mode

Change of gas alarm sensitivity for differential measuringmode (only for fumigation gases)
1

In the detection mode, press the AIR button.
The alarm sensitivity changes by two every time the AIR button is pressed.

CAUTION Keeping contact with a gas with the same concentration will decrease the bar meter by theautomatic air calibration function.
 For excessive temperature/humidity changes, the bar meter may increase.
 When the mode is switched from the differential mode to the concentration measuring mode,
check the atmosphere for freshness and perform air calibration again in the measured
atmosphere.
 The gas concentration is displayed in six levels (without a unit).
 Air calibration is performed automatically and it cannot be performed manually.

NOTE For switching to the differential measuring mode (for fumigation gases), see "Change of themeasuring mode" in the display mode on page 33.

- 20 -

4. How to Use

4-8. Perform air calibration

4-8. Perform air calibration
After a high-concentration gas is detected or an alarm is triggered by temperature/humidity changes,
perform air calibration in the measured atmosphere.
* Before performing air calibration, check that the surrounding air is fresh.
(Display example: For fumigation gases)

1

In the detection mode, holddown the AIR button.

(Display for fumigation
gases)

2

Release the AIR button when
the display changes from"HOLD AIR" to "RELEASE".
(Buzzer sound: Three times <blip,
blip, blip >)▼▼The air calibration is done and thegas detector returns to detectionmode.
(Buzzer sound: Once <blip>)
If air calibration fails, "FAIL AIR
CAL" is displayed.
Perform air calibration again in
fresh surrounding air.

- 21 -

4. How to Use

4-9. Snap logger

NOTE Perform air calibration under pressure and temperature/humidity conditions close to those in theoperating environment and in fresh air.
 Perform air calibration after the reading is stabilized.
 If there is a sudden temperature change between the storage and operational locations, turn on the
power of the detector, let it stand for ten minutes or more in a similar environment to the operational
location, and perform air calibration in fresh air before using it.

4-9. Snap logger
Any peak value during measurement can be recorded.
Up to 256 points of data can be recorded. When the number of recorded data points reaches the
maximum, recorded data will be overwritten, starting from the oldest data.
This function is enabled when the clock function is enabled. Since the clock function is disabled bydefault, enable it before using the snap logger function (See "6-3. Clock function ON/OFF setting" on page38).

1

In the detection mode, press
the MODE and POWER
buttons at the same time.
The detector enters the station ID
selection screen.

2

Use the MODE or AIR button
to select the station ID andpress the POWER button.

To stop recording, press the
AIR and MODE buttons at thesame time. The detector
returns to the detection mode.

The peak value is displayed.

3

Press the POWER button.
The date/time and peak value arerecorded.

To continue recording the log,
repeat steps 2 to 3.
To stop recording the log,press the AIR and MODE
buttons at the same time. The
detector returns to thedetection mode.

- 22 -

4. How to Use

4-9. Snap logger

NOTEThe recorded data can be read out by the "Data Logger Management Program" (optional). See theoperating manual of "Data Logger Management Program" for more information.

- 23 -

4. How to Use

4-10. Peak hold function

4-10. Peak hold function
When the peak hold function is enabled, the latest peak value is always displayed with the bar meter.
(Display example: For fumigation gases)

1

In the detection mode,
hold down the MODE
button (for threeseconds or longer).
The peak hold function isenabled. While the peakhold function is enabled,"P" is displayed on the LCD
display.
To disable the peak holdfunction, hold down the
MODE button for threeseconds or longer.

NOTE To clear a retained peak value, hold down the MODE button in the detection mode(for one second).

4-11. Change of the alarm and operation sounds
Turn the alarm and operation sounds ON or OFF.
(Display example: For fumigation gases)

1

In the detection mode, press the AIR and POWER buttons at the same time.
The settings for the alarm and operation sounds are switched every time the AIR and POWER
buttons are pressed.

Alarm sound ON
Operation sound ON

Alarm sound OFF
Operation sound ON

Alarm sound OFF
Operation sound OFF- 24 -

Alarm sound ON
Operation sound OFF

4. How to Use

4-12. How to turn on the illumination lamp

4-12. How to turn on the illumination lamp
The illumination lamp can be turned on when a measuring place is dark or in other situation.

1

Hold down the AIR and POWER buttons at the same time (for three seconds orlonger).
The illumination lamp lights up. The illumination lamp will automatically go off in about two
minutes after it lights up.
To turn off the illumination lamp, hold down the AIR and POWER buttons at the same time (forthree seconds or longer).

4-13. Power-off
Press and hold the POWER button (at least three seconds) until the buzzer blips three times ("TURN
OFF" disappears) to turn off the power.

CAUTION If a gas remains in the detector, it enters the automatic exhaust mode (for a maximum of 30
seconds). However, the detector is turned off after the automatic exhaust mode. The mode
counts down from automatic exhaust start (PURGE 30). The detector switches to the "TURN
OFF" display when the gas exhaust is completed and is turned off.

Automatic exhaust start (PURGE 30)- 25 -

5. How to Set Display Mode

5-1. Entering the display mode

55.

How to Set Display Mode

5-1. Entering the display modeThis mode allows users to view and change various display settings.
(Display example: For fumigation gases)

1

In the detection mode, press the MODE
button.
The detector enters the peak value display inthe display mode.

2

Next, press the MODE button to display
the appropriate menu.
The setting screen for the display mode isswitched every time the button is pressed.

3

Select the setting item and press the
POWER button.
For setting items, see "Display mode overview"on page 27.

NOTE

 The detector automatically returns to the detection mode in about 20 seconds if the detector is left
unoperated.
 Gas detection is continued in the display mode and an alarm can be activated.

- 26 -

5. How to Set Display Mode

5-1. Entering the display mode

Display mode overview
Item

LCD display

Details
Displays the maximum concentration
detected during the period from power-on
to the point of checking.
* To clear the peak display, hold down
the MODE button (for one second).

Peak display(Display example: For
fumigation gases)
Concentration displayedgas reading setting

By changing the setting to the preregistered gas in the detector, theconverted concentration from thedetection target gas (PH3) will be
displayed.
(P. 29)Measuring mode setting(only for fumigation gases)

Changes (in small measure) the pumpsuction volume by mode exchanging(inthe differential measuring mode thepump suction volume is up).
(P. 33)* NORMAL (Concentration measuring
mode)
DIFF (Differential measuring mode)

Log data display

Displays the data recorded by the snap
logger.(P. 34)* Displayed only when the clock function
is enabled
See "6-3. Clock function ON/OFF setting"on page 38.

- 27 -

5. How to Set Display Mode

5-1. Entering the display modeEntering user modeEnters the user mode.
(P. 35)Detection mode

Returns to the detection mode.

- 28 -

5. How to Set Display Mode

5-2. Concentration displayed gas reading setting

5-2. Concentration displayed gas reading setting
Normally, the concentration display of the detector is "phosphine (PH3)" depending on the specification;
however, a pre-registered gas can be read instead to detect its concentration.
(Display example: For fumigation gases)

1

On the "GAS LIST" screenin the display mode, press
the POWER button.
The detector enters the gas
reading setting.

▼
The currently set gas name isdisplayed.

2

Press the MODE or AIR
button to select a gas
name to be read instead.
The gas name switches toanother every time the button ispressed.

3

When the target gas nameis displayed, press the
POWER button.
"END" is displayed, returning to
the display mode.

- 29 -

5. How to Set Display Mode

5-2. Concentration displayed gas reading setting

NOTE

 To perform the concentration displayed gas reading setting, see the "Gas list" in the following page.

Gas list for fumigation gases
Gas name(standard name)

Display

Phosphine

Scale 1

Scale 2

Scale 3

PH3

0.1

2.0

4.5

Methyl bromide

CH3Br

1

20

100

Carbon disulfide

CS2

0.1

-

-

Methyl iodide

CH3I

1

10

30

Hydrogen cyanide

HCN

1

－

－

Sulfuryl fluoride

SO2F2

－

－

800

Ethylene bromide

C2H4Br2

1

1030

Remarks

Sulfur compound.
See the below NOTE.

* - (bar display) has no scale.

NOTE High-concentration or continuous contact with a chloride or sulfur compound will shorten the sensor
life or cause larger errors.
 If a Si compound is detected, the sensitivity will decrease, shortening the sensor life.
 Even for a gas shown only with the bar meter display but no scales, the meter reads Scale 2 or 3.
Use it as an indication of concentration increase.
 If a high-concentration solvent gas is drawn, the rubber seal or other part used in the detector will
deteriorate.

Gas list for semiconductor material gases
Gas name(standard name)

Display

Scale 1

Scale 2

Phosphine

PH3

0.1

2.0

Acetone

C3H6O

1

10

Arsine

AsH3

0.2

-

Ammonia

NH3

10

-

Isobutane

i-C4H101

10Isopropyl alcohol

IPA

1

10

Carbon monoxide

CO

10

30

Ethyl alcohol

C2H5OH1

10Ethylene

C2H4

1

10

Vinyl chloride

VCM

1

-

- 30 -

Remarks.

Chloride
See the below NOTE.

5. How to Set Display Mode

5-2. Concentration displayed gas reading setting

Gas name(standard name)

Display

Scale 1

Scale 2

Methyl chloride

CH3CL

1

10

Xylene

C8H10

1

10

Ethylene oxide

EO

1

10

Silane

SiH4

0.5

-

Methyl bromide

CH3Br

1

20

Hydrogen

H2

1

10

Trichloroethylene

C2HCL3

10-

Toluene

C7H8

1

10

1,2-Dichloroethane

EDC

1

10

Sulfur dioxide

SO2

1

-

Propane

C3H8

5

20

R-134aR-134a

50

250

R-22

R-22

10

50

R-32

R-32

10

50

Normal hexanen-C6H141050Benzene

C6H6

0.5

10

Formaldehyde(HCHO)

HCHO

10

50

Methane

CH4

1

20

Methyl alcohol

CH3OH

1

10

Methyl ethyl ketone

MEK

1

10

Hydrogen sulfide

H2S

0.1

-

Diborane

B2H6

0.1

-

Germane

GeH4

0.2

-

Hydrogen bromide

HBr

10

-

Hydrogen chloride

HCL

10

-

R-407C

R-407C

1050

Hydrogen selenide

H2Se

0.5

-

R-410AR-410A

10

50

R-404A

R-404A

1050

HFO-1234yf

CH2C2F41030* - (bar display) has no scale.

- 31 -

Remarks
Chloride
See the below NOTE.

Si compound
See the below NOTE.

Chloride
See the below NOTE.
Chloride
See the below NOTE.
Sulfur compound.
See the below NOTE.

Chloride
See the below NOTE.

Sulfur compound.
See the below NOTE.

Chloride
See the below NOTE.

5. How to Set Display Mode

5-2. Concentration displayed gas reading setting

NOTE

 High-concentration or continuous contact with a chloride or sulfur compound will shorten the sensor
life or cause larger errors.
 If a Si compound is detected, the sensitivity will decrease.
 Even for a gas shown only with the bar meter display but no scales, the meter reads Scale 2. Use it
as an indication of concentration increase.
 If a high-concentration solvent gas is drawn, the rubber seal used in the detector will deteriorate.

- 32 -

5. How to Set Display Mode

5-3. Change of the measuring mode (only for fumigation gases)

5-3. Change of the measuring mode (only for
fumigation gases)
The measuring mode of the detector (for fumigation gases) can be switched from "concentration
measuring mode" to "differential measuring mode", where lower concentration detection can be
conducted.

1

On the "MODE CHG"
screen in the display
mode, press the POWER
button.
The detector enters the setting
to switch the measuring mode.

2

Press the MODE or AIR
button to select themeasuring mode.
The measuring mode switches
to the other every time thebutton is pressed.

<Concentration measuring
mode>

3

In the appropriate
measuring mode, press the
POWER button.
"END" is displayed, returning to
the display mode.

- 33 -<Differential
measuring mode>5. How to Set Display Mode

5-4. Log data display

5-4. Log data display
The data recorded by the snap logger can be viewed.
The "REC DATA" screen is displayed only when the clock function is enabled (See "6-3. Clock function
ON/OFF setting" on page 38).
(Display example: For fumigation gases)

1

On the "REC DATA" screenin the display mode, press
the POWER button.
The detector enters the log data
display.
The recorded date/time isdisplayed and the station ID andmemory number are displayedalternately. If there is norecorded data, "NO DATA" isdisplayed.
* When there is no recorded data

2

Press the MODE or AIR
button to select log data to
be displayed.
The recorded content switches
to the other every time thebutton is pressed.

<Station ID>

3

When the target log data isdisplayed, press the
POWER button.
The gas name and peak valueof the selected memory aredisplayed alternately.

4

To exit the display, press
the MODE and AIR buttons
at the same time.
The detector returns to thedisplay mode.

- 34 -<Memory number>

6. How to Set User Mode

6-1. Entering the user mode

6
6.

How to Set User Mode

6-1. Entering the user mode
The maintenance including internal clock correction, etc. can be performed.
(Display example: For fumigation gases)

1

In the detection mode, press the MODE
button a few times to display entering
user mode, press the POWER button
The detector enters the date/time setting in theuser mode.

2

Next, press the MODE button to display
the appropriate menu.
The setting screen for the user mode switches
to another every time the button is pressed.

3

Select the setting item and press the
POWER button.
For setting items, see "User mode overview" onpage 36.

CAUTION
 Return to the detection mode after use.

- 35 -

6. How to Set User Mode

6-1. Entering the user mode

User mode overview
Item

LCD display

Details
Set the date/time of the internal clock.
(P. 37)

Date/time setting* When the clock function is disabled, thedate/time setting screen is not displayed.

Clock function ON/OFF
setting

Enable or disable the clock function.

ROM/SUM display

Displays the program number and SUM
value of the detector.
* This is not typically used by the user.

Entering detection mode

To exit the user mode, press the POWER
button to enter the detection mode.

- 36 -

6. How to Set User Mode

6-2. Date/time setting

6-2. Date/time setting
Set the date/time of the internal clock.
The date/time setting screen is displayed only when the clock function is enabled. Enable the clock functionin "6-3. Clock function ON/OFF setting" on page 38 before setting the date/time.

1

On the "DATE" screen in the user mode,press the POWER button.
The detector enters the date/time setting.

2

Press the MODE or AIR button, set thedate/time and press the POWER button.

3

Set year -> month -> day -> hour ->minute in this order.

When the "minute" value is confirmed, "END" isdisplayed and then the detector returns to theuser mode menu.

- 37 -

6. How to Set User Mode

6-3. Clock function ON/OFF setting

6-3. Clock function ON/OFF setting
Enable or disable the clock function.
The clock function is disabled by default. If the date/time needs to be displayed on start-up or the snap
logger function is used, enable the clock function.

1

On the "CLOCK" screen in the user
mode, press the POWER button.

2

Press the MODE or AIR button,
select ON/OFF of the clock function
and press the POWER button.

3

Setting completed
After the clock function ON/OFF setting iscompleted, "END" is displayed and then thedetector returns to the user mode menu.

NOTE

 When the clock function is changed from disabled to enabled, a clock abnormality (FAIL CLOCK)
may be triggered if the date/time is inaccurate. When the failure condition is reset using the MODE
button, the detector moves to the date/time setting screen. Set the date/time in accordance with
"6-2. Date/time setting" on page 33.
 When the clock function is changed from disabled to enabled for the
first time, powered on after leaving the detector for more than five minuteswith the batteries removed, or powered on with the batteries inserted withincorrect polarities, a clock abnormality (FAIL CLOCK) may be triggered.

- 38 -

7. Alarm function

7-1. Gas alarm activation

7
7.

Alarm function

7-1. Gas alarm activation"Gas alarm" is triggered in the detector using a blinking alarm lamp, buzzer sound and bar meter display
when the concentration of detected gas reaches or exceeds the alarm setpoint values. (Auto-reset
operation)
Blinking alarm lamp and buzzer sound operation for gas alarms have different intervals depending on thedetected concentration.

7-2. Fault alarm activation"Fault alarm" is triggered using a buzzer sound and blinking alarm lamp when an abnormality is detectedin the detector. (Self-latching)
When an alarm is triggered, one of the following fault details is displayed on the LCD.
- System abnormalities: FAIL SYSTEM- Sensor abnormalities: FAIL SENSOR- Calibration abnormalities: FAIL AIR CAL- Low battery voltage: FAIL BATTERY- Low flow rate: FAIL LOW FLOW
- Clock abnormalities: FAIL CLOCK- Pump abnormalities: FAIL PUMP
Alarm lamp
BuzzerRepeatedly blinks at about one-second intervals.
Repeatedly sounds intermittent blips at about
one-second intervals.
Blip-blip, blip-blip
Display example of low flow rate (LOW FLOW)LCD display

If a fault alarm is triggered, determine the cause and take appropriate action.
If the detector has problems and is repeatedly malfunctioning, contact RIKEN KEIKI immediately.

NOTE The low flow rate alarm (FAIL LOW FLOW) can be reset by pressing the MODE button.
 For information on malfunctions (error messages), see "Troubleshooting" on page 46.

- 39 -

8. Maintenance8-1. Maintenance intervals and items

8
8.

MaintenanceThe detector is a precision devices.
To maintain the performance of the detector and improve the reliability of detecting leakage, perform aregular maintenance.

8-1. Maintenance intervals and items
Perform the following maintenance regularly before use.
• Daily maintenance: Perform maintenance before commencing each work.
• Monthly maintenance: Perform alarm test once a month.
• Regular maintenance: Perform maintenance once or more for one year to maintain the performance asa unit.
Maintenance
item
Battery level
check

Concentration
display check

Flow rate
check

Maintenance content
Check that the battery level issufficient.
Make the detector draw in fresh
air and check that theconcentration display value iszero. When the reading isincorrect, perform zero adjustment
by air calibration after ensuringthat no other gases exist aroundit.
Check the pump driving indicator
to find abnormalities.

Daily
maintenance

Monthly
maintenanceRegularmaintenance

○

○

○

○

○

○

○

○

○

Filter check

Check the dust filter for dust or
clogging.

○○○

Gas alarm
calibration

Perform the gas alarm using acalibration gas.

―

―

○

- 40 -

8. Maintenance8-1. Maintenance intervals and items

About maintenance services
We provide services on regular maintenance including span adjustment, other adjustments andmaintenance.
To make the calibration gas, dedicated tools, such as a gas cylinder of the specified concentration, gas
sampling bag, etc., must be used.
Our qualified service engineers have expertise and knowledge on the dedicated tools used for services,along with other products. To maintain the safety operation of the gas detector, please use ourmaintenance service.
The followings are typical maintenance services. For details, contact RIKEN KEIKI.
<Main Services>
Item
Battery level
check
Concentration
display check
Flow rate check

Filter checkSpanadjustment
Cleaning andrepair of the unit
(visualdiagnosis)
Unit operation
check
Replacement ofconsumableparts

Services
Checks the battery level.
Verifies that the concentration display value is zero by using the zero gas.
Performs the air calibration if the reading is incorrect.
Checks the flow rate indicator to find abnormalities.
Checks the flow rate by using an external flow meter to verify the correctness ofthe flow rate indicator on the detector. If the flow rate is incorrect, performs the flowrate adjustment.
Checks the dust filter for dust or clogging.
Replaces a dirty or clogged dust filter.
Performs span adjustment using a calibration gas.
Checks dust or damage on the surface of the unit, cleans and repairs such parts.
Replaces parts which are cracked or damaged.
Operates the buttons to check the operation of functions and parameters, etc.
Replaces consumable parts, such as a sensor, filter, pump, etc.

- 41 -

8. Maintenance8-2. How to clean

8-2. How to clean
Clean the detector if it becomes extremely dirty. The detector must be turned off while cleaning it. Use a
waste cloth or the like to remove dust. Do not use water or organic solvent for cleaning because they may
cause malfunctions.
Because an extremely contaminated inside of the taper nozzle may disturb the gas detection, it must be
cleaned with dry air, etc.

CAUTION When cleaning the detector, do not splash water over it or use organic solvents such as
alcohol, benzene, etc. on it. Otherwise, it may cause discoloration or damage to the surface ofthe detector or a sensor failure.

NOTE When the gas detector gets wet, water may remain in the buzzer sound opening or grooves. Drain
water as follows:(1) Wipe away moisture on the gas detector thoroughly using a dry towel, cloth, etc.
(2) While holding the gas detector firmly, shake it about ten times with the buzzer sound opening
facing downward.
(3) Wipe away moisture coming out from the inside thoroughly using a towel, cloth, etc.
(4) Place the gas detector on a dry towel, cloth, etc. and let it stand at normal temperatures.

8-3. Parts replacement
Filter replacement procedureContinuing to use the detector may cause the filter to be contaminated or clogged.
Replace the filter if it becomes extremely dirty.
Also, replace the filter when it has absorbed water or has a lower flow rate.

1

Turn the cap counterclockwise and removeit.

2

Remove the rubber seal from the cap.

- 42 -

Cap

Rubber seal

8. Maintenance3

8-3. Parts replacement

Replace the filter placed inside the rubber
seal with a new one.
FilterRubber seal

4

Attach the rubber seal with the filter
attached, to the cap.
At this time, check that the rib has been firmly
inserted into the groove.

Rib
Groove5

Attach the cap with the rubber seal
attached, to the main unit.

Sensor replacement
The built-in sensors of the detector have a validity period and must be replaced regularly (warranty period
one year).
The sensor life has expired if, for example, the sensors cannot be calibrated in span adjustment, thereadings do not come back after air calibration, or the readings fluctuate.
In this case, contact RIKEN KEIKI.

Battery replacement
For battery replacement, see "How to replace the batteries" on page 12.

- 43 -

9. Storage and Disposal

9-1. Procedures to store the detector or leave it for a long time

99.

Storage and Disposal

9-1. Procedures to store the detector or leave it for along time
The detector must be stored under the following environmental conditions.
• In a dark place under the normal temperature and humidity away from direct sunlight• In a place where gases, solvents or vapors, etc. are not present
Store the detector in a shipping carton, if any, in which the product was delivered.
Store the gas detector away from dust, etc. if the shipping carton is not available.

CAUTION If the detector is not used for a long time, store it after removing the batteries. Leaks from drybatteries may result in fire or injury.
 If the gas detector is not used for a long time, turn on the power at least once every six
months and check that the pump draws in air (about three minutes). The gas detector, when
not activated for a long time, may cease to work because of hardening of the grease in thepump motor.

9-2. Procedures to use the detector again
CAUTION When the detector is used again after a long-period storage, never fail to perform acalibration.
 Contact RIKEN KEIKI for information on readjustment including calibration.

9-3. Disposal of products
When the detector is disposed of, it must be treated properly as an industrial waste in accordance with thelocal regulations, etc.

WARNING Dispose of dry batteries in accordance with procedure specified by the local authority.

- 44 -

9. Storage and Disposal

9-3. Disposal of products<Disposal in EU Member States>
When disposing of the detector in EU member states, sort the batteries as specified. Handle the removed
batteries according to the classified refuse collection system and recycling system based on theregulations of EU member states.
Removing batteries
For battery removal, see "4-3. How to replace the batteries" on page 12.

NOTE
Crossed-out recycle dustbin markThis symbol mark is indicated on the products which contain the batteries whichfall under EU Battery Directive 2006/66/EC. Such batteries need to be disposedof as specified by the latest Directive. This symbol mark indicates that thebatteries need to be separated from the ordinary waste and disposed ofappropriately.

- 45 -

10. Troubleshooting

10
10.

Troubleshooting

The Troubleshooting does not explain the causes of all the malfunctions which occur on the detector. This
simply helps to find the causes of malfunctions which may frequently occur.
If the gas detector shows a symptom which is not explained in this manual, or still has malfunctions eventhough remedial actions are taken, please contact RIKEN KEIKI.

<Abnormalities on Unit>
Symptoms

CausesActions

The battery level is too low.

Replace both of the two batteries with newones.

The POWER button was
released quickly.

For power-on, keep the POWER buttonpressed until a blip is heard.

Dry batteries are notinstalled properly.

Check that the batteries are properly
installed to the main unit.

Abnormal operations

Disturbances by sudden
static electricity noise, etc.

Turn off the power once and then turn it on
again (restart).

Cannot operate the gas
detector.

Disturbances by sudden
static electricity noise, etc.

Remove the batteries in a safe place.
Then reinstall them and turn on the power
to perform operations.

System abnormalities
FAIL SYSTEM

A circuit abnormality
occurred.

Request Riken Keiki for repair.

Sensor abnormalities
FAIL SENSOR

A sensor has failed.

Remove the batteries in fresh air. Thenreinstall them and turn on the power toperform operations. Restart the detector a
few times. If the problem still persists,request RIKEN KEIKI to replace thesensor.

A low battery voltage
alarm is displayed.
FAIL BATTERY

The battery level is low.

Turn off the power and replace the drybatteries with new ones in a safe area.

The power cannot be
turned on.

- 46 -

10. Troubleshooting
Symptoms
A low flow rate alarm isdisplayed.
FAIL LOW FLOW

Air calibration
impossible
FAIL AIR CAL
Clock abnormalities
FAIL CLOCK

PUMP abnormalities
FAIL PUMP

CausesActions

Water, oil or the like isdrawn.

Check the taper nozzle for any damage ormark of drawn water, oil, etc.

The taper nozzle isclogged.

Check the taper nozzle for connection
condition, clogging, torsion, etc.

The detector was poweredon at a low temperature or
has not been used for along time.

Cycle the power a few times. The pump
may start operating. If the problem still
persists, request RIKEN KEIKI to replace
the pump.

The pump has deteriorated.

Request the dealer or Riken Keiki local
representative to replace the pump.

Fresh air is not suppliedaround the detector.

Supply fresh air and then perform air
calibration in the measured atmosphere.

Abnormalities of theinternal clock

Make a setting of date/time.
If such a symptom is observed repeatedly,
the built-in clock is seemingly
malfunctioning. Thus, it must be replaced.
Request RIKEN KEIKI for repair.

PUMP abnormalities

Cycle the power a few times. The pump
may start operating. If the problem still
persists, request RIKEN KEIKI to replace
the pump.

- 47 -

11. Product Specifications

11
11.

Product Specifications

Model
Gas to be
detected
Detection
principle
Measurementrange

SP-220 (TYPE FUM)
SP-220 (TYPE SC)(Fumigation gases)(Semiconductor material gases)
Single channel (Refer to "Gas list for fumigation gases" on page 30 and "Gas list for
semiconductor material gases" on page 30 for target gases such as PH3.)
Hot-wire semiconductor
Depends on the measured gas(PH3：0.0-4.5ppm)

Depends on the measured gas(PH3：0.0-2.0ppm)

Alarm type

Triggered when the concentration of detected gas reaches or exceeds
the alarm setpoint value.
Fault alarm: Sensor connection/disconnection, low battery, low flow rate, circuit
abnormality, calibration range abnormality, clock abnormality and pumpabnormality

Alarm operation

Gas Alarm: Lamp blinking and intermittent buzzer sounding
Fault alarm: Lamp blinking, intermittent buzzer sounding and fault detail display

Alarm setpoint

Depends on the measured gas(PH3: Set arbitrarily to 0.1, 2.0 or 4.5
ppm)

Gas Alarm:

Detection
methodResponse time
LCD display
Power supply
Continuous
operating time
Operatingenvironment
External
dimensions
WeightDrip-proof anddust-proof
performances
Functions
Accessories

Depends on the measured gas(PH3: Set arbitrarily to 0.1 or 2.0 ppm)

Pump suction type
Within ten seconds of 0.1 ppm alarm by contact with PH3: 0.3 ppm
Display contents: Gas name, gas concentration (scale + bar display), time, battery
level, drawing, operation and mode
AA alkaline battery: 2
12 hours or more (normal temperature, without alarms or lighting)Operating temperature range: -20 - +55ºC
Operating humidity range: 95%RH or less (Non-condensing)External dimensions: 43 (W) x 200 (H) x 39 (D) mm (projection portions excluded)
Weight: Approx. 215 g (without batteries)
Equivalent to IP-55
LCD backlight (automatically lights up in response to an alarm), Data logger, Logdata display, Peak hold, Clock display, Changing a reading target gas
2 AA alkaline dry batteries, Hand strap, Rubber protection cover, Waterproofing filter
for exchange(5 pcs), Taper nozzle* The gas concentration is only approximate because the detector is designed to be used to detect a small
amount of gas leakage.

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12. Appendix

12-1. Definition of terms

1212.

Appendix12-1. Definition of termsvol%Gas concentration indicated in the unit of one-hundredth of the volumeppm

Gas concentration indicated in the unit of one-millionth of the volume

LEL

The acronym of Lower Explosive Limit.
LEL refers to the lowest concentration of a combustible gas in air capable ofcausing explosion when ignited.

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