PC0E-1012

Model

Portable Gas Monitor

mounted!

Emergency notifications including gas alarms can be sentby email from a smartphone with the dedicated app installed.

5-year warranty
The instrument and sensors have a 5-year warranty*.
Allows long-term use with peace of mind.
* OptionFive-component detection
Allows installation of carbon dioxide and other toxic gas sensors, in addition to sensors
for combustible gases, oxygen, hydrogen sulfide, and carbon monoxide.

Intrinsically safe explosion-proof construction and flame-proof enclosure
Dust-proof, waterproof construction (protection level equivalent to IP66/68)
Survives 7 m drop testing!

Scan to view promotion video.
Available on website!

Multifunction & high-performance! GX-3R Pro features

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First Japanese Bluetooth compatible device
Allows connection with a smartphone via Bluetooth. Allows rapid notification of
emergency situations using the dedicated app.

HC
or

O2

CO

H2S

CO2

SO2

NO2

HCN

Five-component detection (four components + one)!

CH4

Detection target gases include carbon dioxide and other toxic gases in addition to combustible
gases, oxygen, carbon monoxide, and hydrogen sulfide. Selectable to suit specific uses

PH3

NH3

Battery type selectable
Runs on either an environmentally-friendly lithium ion battery or alkaline batteries
for use anytime, anywhere.

OK!

Support for 11 languages
Supports a total of 11 different languages for easy operation by users overseas.
(Japanese/English/French/Spanish/Portuguese/German/Italian/Russian/Korean/Chinese[simplified/traditional])

Rechargeable battery unit

Dry battery unit

Easy-to-read full-dot matrix display
Features a high-visibility full-dot matrix display.
Capable of displaying Japanese kanji characters; allows black and white inversion of
LCD screen display.

OFF

OFF

LCD BACKGROUNDLCD BACKGROUND

Incorporates new R sensors with outstanding long-term stability.
The GX-3R incorporates the newly developed R sensor series. R sensors are high-performance sensors with dramatically improved sensor performance.
The sensors are covered by a 3-year warranty* for peace of mind (NH3 sensors only have a 1-year warranty). * On condition that the product is maintained at least once a year.

Certified according to a range of performance standards and marine standards(Tested by third-party organizations as conforming to MED and European performance and other standards, to ensure high levels of reliability)• Marine related: MED certification (European Marine Equipment Directive), JG (Ministry of Land, Infrastructure, Transport and Tourism type approval)• European performance standards: EN 60079-29-1 (combustible gases), EN 50104 (oxygen), EN 45544-1, EN 45544-2, EN 45544-3 (toxic gases)• JIS compliance: JIS T 8201 (oxygen), JIS T 8205 (hydrogen sulfide)

Combustible gases

O2

CO & H2S

COCO2

CO/H2S/SO2/HCN/NO2/PH3/NH3

Tough construction
with excellent poisoning
and impact resistance!

Electrochemical typefor greatly improved
basic characteristics!

2-in-1 dual
construction forsmaller main unit!

2-sensor structure
for reduced H2interference!

Ultra-compact andlightweight infraredtype sensor!

Improved basic characteristics!
Toxic gas sensors

Even safer! Even easier to use! With even more handy functions
Combustible gas conversion function

Alarm setpoint setting function

Eliminates the need for complex calculations. Allows direct
readout of concentrations of 27 different combustible gases.

* The setting is retained even after the power is turned off and on again.

Lunch break function

Confirmation beep function

Settings can be altered via the controls on the GX-3R main
unit. Supports control and management in accordance withthe customer’s own criteria.

Indicates that the product is functioning
normally. The buzzer sounds at preset
intervals while measurement is underway.

Calibration notification function

Retains TWA and peak values to allow cumulative
measurement even if the power is turned off andon again.

Indicates the number of days until recommended regular
maintenance when the power is turned on. Reminds the user
to perform maintenance on the product to ensure safe use.

Combustible conversion gas list

2

Conversion gas

Gas name displayed

MethaneIsobutane
Hydrogen
Methanol
Acetylene
Ethylene
EthaneEthanol
Propylene
AcetonePropaneButadiene
Cyclopentane

CH4
i-C4H10H2
CH3OH
C 2H 2C 2H 4
C 2H 6C2H5OHC 3H 6C 3H 6O
C 3H 8C 4H 6C5H10Benzene

C6H 6

Calibration gas conversion
i-C4H10
CH4
ー
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×
ー
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×
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×
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Conversion gas

Gas name displayed

n-HexaneToluenen-C6H14
C7H8
n-C7H16
C8H10
n-C9H20
EtAc
IPA
MEK
MMA
DME
MIBK
THF
n-C5H12

n-Heptane
Xylenen-Nonane
Ethyl acetate
Isopropyl alcohol
Methyl ethyl ketone
Methyl methacrylate
Dimethyl ether
Methyl isobutyl ketone
Tetrahydrofurann-Pentane

Calibration gas conversion
i-C4H10
CH4
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Motion sensor equipped
Man down alarm

Screen display inversion

An alarm issued if the user ismotionless for a preset length of time
This notifies others in the vicinity ofan emergency situation.

Automatically inverts the display by 180 degrees
depending on the orientation of the product.
This helps prevent mistakes in reading numericalvalues.

Panic alarm
Lets the user trigger an alarm manuallyto alert others in the vicinity if an
emergency occurs.

Optional accessories
1

Heat-resistant case2

3

Leather case

1

Belt clip* Not explosion-proof* Above is a photo of the GX-3R

4

Arm/ankle belt

5

6

Protective film

Manual suctionunit

Heat-resistantcase

Case for short-term protection from heatsources
Uses a safety pin.

Part No. 4777 4577 90

2

Leather case

Case for protection against dirt
Uses the clip on the unit.

Part No. 4777 4258 70

3

Belt clip

Allows the product to be attached to a belt
or pocket.

Part No. 4777 9202 40

4

Arm/ankle belt

Belt for securing the unit to your arm or
anklePart No. 4777 9293 30

5Protective film

Protects the display. (set of 5)

6

Manual suction
unit

External manual pump
Draws in at greater flow rates than electric
pump.

7

Charging cradle

Cradle for recharging the unit
Cradles can be interconnected.

8Five-way cablefor charging

One AC adapter recharges up to five units.
* Recharging times remain unchanged.

9Calibration
adapter

Adapter for supplying gas to GS-3R Pro
during bump test and calibration (withoutlet nipple and rubber seal)

Part No. 4777 9312 70

10Data logger
management
program

Software for viewing and managing
measurement data

Part No. 9811 0870 60

Samplingprobe* Photo shows the unit withsampling probe.

7

Charging cradle

8

Five-way cable forcharging

9

Calibration
adapter

10 Data logger
management program

11

Supports suction operation with the pump unit.
An external electric pump. Allows use for suction sampling.

12
Easy to attachand remove!

Part No. 4777 9296 50(with sampling probe) Part
No. 4777 9297 20(with 8 m float-type tube)
Part No. 4777 9299 70(with 30 m weighted tube)
Part No. 4777 9300 30
Part No. BC-3R 00(with 22.5 cm cable)
Part No. 4777 9329 70(with 60 cm cable)
Part No. 4777 9319 80(with 120 cm cable)
Part No. 4777 9333 20

Docking station to increase
daily maintenance efficiency
Allows the user to perform a simplified
pre-work check (bump test) and gas
adjustment automatically.

Specifications
RP-3R (Pro/S)

Float-type gas collector(option)Float-type
gas collector(option)Model
RP-3R (Pro/S)
Suction flow High mode: 0.4 L/min or morerate
Low mode: 0.25 L/min or more
ContinuousHigh mode: Approx. 10 hours
operating time Low mode: Approx. 16 hours
Operating-20 - +50 °C (no sudden fluctuations)temperature/
Up to 95 %RH (no condensation)
humidity range
ExplosionInherently safe explosion-proof construction
proof class
ATEX:
II1G Ex ia IIC T4 Ga
IECEx:
Ex ia IIC T4 Ga
Japan Ex:Ex ia IIC T4 Ga
Construction Dust-proof, splash-proof construction (protectionlevel equivalent to IP67)
Approx. 94 mm (W) × 95 mm (H) × 29 mm (D)External
dimensions/ (excluding projections) / Approx. 130 gweightPower source AA alkaline battery × 1
Optional
Float-type gas collector (8 m)
accessories* Cannot be connected to the GX-2009 or GX-3R.

Specifications
Model
SDM-3R
Power supply
100 - 240 V AC ± 10 %(AC adapter)
50/60 HzApprox. 0.25 L/min
Suction flow rate
Operating tempera- 0 - 40 °C, up to 95 %RHture/humidity range (no condensation)
External dimenApprox. 130 mm (W) × 110 mm (H) ×
sions/weight
250 mm (D) / Approx. 800 g
Optional accessories Connecting fixture, wall-mounting fixture,exhaust tube

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The GX-3R Pro supports Bluetooth** Uses low-power consumption Bluetooth (BLE, Bluetooth Low Energy).

The GX-3R Pro can communicate with smartphones and tablets via Bluetooth. Allows alarms to beissued to remote locations in real time to notify emergency situations using the dedicated RK Link app.
Also allows the main unit’s settings to be altered.
Download the free RK Link app from Google Play or Apple Store.

Features available using the GX-3R Pro

RK Link

Sharing emergency information

1

Alarm information email transmission

Sends emergency
notification emails froma paired smartphone
via the app.

Emergency notification emails aresent promptly to pre-registeredaddresses in the event of an alarm.

• Gas alarm• Man down alarm• Reminder alert

Setting changes

Setting changes, etc.

2

• Fault alarm• Panic alarm[Alarm setting]Allows easy modification of settings like alarm setpoints,
calibration expiration, and display language.

[Calibration/bump setting][Language setting]• Allows modification of settings like alarm setpoints, calibration gas concentrations,and display language.
• Also allows detailed settings for types of alarms that trigger email notification.
For example: No email notification for first alarm; email notification from second alarm onward* Bluetooth can be used only in countries where certification under local radio law has been obtained. May be unavailable depending on radio transmission conditions.

4Model

Site

!

!

!

Displays location
information at the touchof a button.

OfficeGas alarm
triggered!

3

Gas concentration and battery level display

4!

Owner information registration• Allows registration of details such as company andindividual name.
• Displayed in emergency notification emails• Displays gas concentrations in real time during
measurement.
• Displays current battery levels in three steps.
Battery level icon

Email text (sample)

Bluetooth andare registered trademarks of Bluetooth SIG, Inc. and used by RIKEN KEIKI under license.

Google Play and the Google Play logo are trademarks of Google LLC.
Apple, the Apple logo, iPhone, and iPad are trademarks of Apple Inc., registered in the U.S. and other countries and regions. App Store is a service mark of Apple Inc.

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Other features enabled by Bluetooth
GX-3R Pro detection information can be combined with a wide range of wirelessdevices to enable management on the customer’s server and to allow sharing of
on-site status in real time with managers at remote locations.*

Cloud server* Your company is responsible for system configurations.

Gas concentration
detector information
Worker

Site supervisor

Gateway

Safety manager

Wireless device

Vital watch Heat strokeindex

Use in combination with a range of wireless devices

Awareness of individual status, environment, and location improves safety management.
GX-3R Pro communication specifications

Checking on-site
status remotely

Spotting signs ofimminent disasterAccurate precautionary
warnings

Emergency alert
notification

Rapid responsein emergencies

Operation in conjunction
with your company’ssafety management offers

unlimited possibilities!
* Your company is responsible forsystem configurations.

Communication system:
Bluetooth 4.2 (Bluetooth Low Energy)
Profile:GAP (Peripheral) / GATT
Output/maximum communication distance:
Class 2 / Approx. 10 m (varies depending on surrounding
environment)
Operations:
Acquiring gas concentration/status information; viewing/changing settings

Frequently asked questions
Pairing
How long is the pairing standby time?

5 minutes. After 5 minutes, Bluetooth needs to be turned on again to resume standby.

What happens when a device is paired?

changes from blinking to steady illumination.

What happens when device pairing is lost?

blinks and the product goes to standby. No audible alarm is issued.

Are unpaired connections possible?

No.

Communication
What’s the communication system (data access method)?

Read and Write.

What’s the GATT profile?

Original.

What’s the communication interval?

At least 1 second.

Main unit
What’s the continuous operating time when using BLE?

Normal mode: 25 hours. Long-life battery mode: 40 hours* Continuous operating time does not change when using BLE.

Is the product GPS-equipped?

No.
Acquire location information from a smartphone or beacon.

Miscellaneous6

Can details of the communication specifications be disclosed?

Yes, with the conclusion of a nondisclosure agreement.

Do the product communication specifications need to be altered forconnecting with a system?

No. Perform steps to ensure compatibility on the system side.

What are the costs of connecting with a system?

No costs are incurred. However, additional fees may apply if such connection requires changes in
product specifications. (Starting from several millions of yen)Specifications
Model
Sampling method
Gas alarm indication

GX-3R Pro
Diffusion type (Changeable to sampling type by attaching RP-3R (Pro/S))
Lamp flashing, continuous modulating buzzer sounding, gas concentration display blinking, vibration
Reset operation: Self-latching
Fault alarms
System abnormality, sensor abnormality, battery voltage drop, calibration failure
Fault alarm indication
Lamp flashing, intermittent buzzer sounding, detail display
Reset operation: Self-latching
Panic alarm
Two levels: Prealarm and main alarm (after 5-second prealarm) Reset operation: Self-latching
Man down alarm
Three levels: Prealarm 1 (60 seconds), prealarm 2 (75 seconds), and main alarm (90 seconds)
Reset operation: Self-latching
Display
LCD digital (full-dot matrix), with backlight
Display items
Operation status, clock, battery level, temperature, peak reading, calibration notification
Buzzer sound pressure Approx. 95 dB (30 cm)
Languages
Japanese/English/French/Spanish/Portuguese/German/Italian/Russian/Korean/Chinese (simplified/traditional)
BluetoothBluetooth 4.2 (Bluetooth Low Energy)
Data logger function
Maximum number of items: 3,600 Interval: 5 minutes (adjustable) Communication system: IrDA
Power source
Lithium ion rechargeable battery unit (charging time approx. 3 hours) or dry battery unit (AAA alkaline battery × 2)
Long-life battery mode on: Approx. 40 hours (25 °C, fully charged, no alarm, no lighting)Continuous operating*1
Long-life battery mode off: Approx. 25 hours (25 °C, fully charged, no alarm, no lighting)time
Operating temperature/ -40 - +60 °C (no sudden fluctuations), 0 - 90 %RH (no condensation)*2
humidity range
Certifications*3
ATEX, IECEx, Japan Ex, INMETRO, China Ex, JG, MED, JIS T 8201, JIS T 8205, EN 50104, EN 45544-1,EN 45544-2,
EN 45544-3, EN 60079-29-1
Explosion-proof class*3 ATEX: ll1G Ex da ia llC T4 Ga / lM1 Ex da ia l Ma (With combustible gas sensor)
ll1G Ex ia llC T4 Ga / lM1 Ex ia l Ma (No combustible gas sensor)
IECEx: Ex da ia llC T4 Ga / Ex da ia l Ma (With combustible gas sensor)
Ex ia llC T4 Ga / Ex ia l Ma (No combustible gas sensor)
Japan Ex: Ex ia llC T4 Ga
Protection level
Equivalent to IP66/68 (2 m, 1 h)External dimensions/With rechargeable battery unit: Approx. 73 mm (W) × 65 mm (H) × 26 mm (D) (excluding protrusions) / Approx. 120 gweightWith dry battery unit:
Approx. 73 mm (W) × 65 mm (H) × 34 mm (D) (excluding protrusions) / Approx. 140 g*1 Varies depending on sensor type installed. Please contact RIKEN KEIKI for more information.
*2 In temporary ambient conditions for approximately 15 minutes. The operating temperature and humidity ranges for continuous ambientcondi-tions are as follows: Temperature: -20 - +50 °C (no sudden fluctuations) / Humidity: 10 - 90 %RH (no condensation)*3 Applicable standards and certifications vary depending on the specifications of the gas detector. Please specify at the time of purchase.

Detection target gases
Detection target gas
Detection principle
Display range
Detection range
1 digitGas alarm setpoint(can be set by user)

Detection target gas
Detection principle
Display range
Detection range
1 digitGas alarm setpoint(can be set by user)

Combustible gas(HC or CH4)
New ceramic type0 - 100 %LEL
0 - 100 %LEL
1 %LELFirst alarm:
10 %LEL
Second alarm:
25 %LEL
Third alarm:
50 %LELOVER alarm:
100 %LEL

Nitrogen dioxide(NO2)
0 - 20.00 ppm
0 - 20.00 ppm
0.05 ppm
First alarm:
2.00 ppm
Second alarm: 4.00 ppm
Third alarm: 20.00 ppm
TWA alarm:
0.50 ppm
STEL alarm: 1.00 ppm
OVER alarm: 20.00 ppm

OxygenCarbon monoxide

0 - 40.0 vol%0 - 25.0 vol%0.1 %L alarm:
19.5 vol%LL alarm:
18.0 vol%H alarm:
23.5 vol%OVER alarm:
40.0 vol%Sulfur dioxide(SO2)Hydrogen sulfide

Electrochemical type0 - 2,000 ppm
0 - 200.0 ppm
0 - 500 ppm
0 - 30.0 ppm
1 ppm
0.1 ppm
5.0 ppm
First alarm:
25 ppm First alarm:
30.0 ppm
Second alarm:
50 ppm Second alarm:
100.0 ppm
Third alarm:
1,200 ppm Third alarm:
1.0 ppm
TWA alarm:
25 ppm TWA alarm:
5.0 ppm
STEL alarm:
200 ppm STEL alarm:
200.0 ppm
OVER alarm:
2,000 ppm OVER alarm:

Hydrogen cyanide
Phosphine
(HCN)
(PH3)
Electrochemical type0 - 30.0 ppm
0 - 20.00 ppm
0 - 30.0 ppm*
0 - 20.00 ppm
0.1 ppm
0.01 ppm
0.30 ppm
10.0 ppm First alarm:First alarm:Second alarm: 20.0 ppm Second alarm: 0.60 ppm
Third alarm: 30.0 ppm Third alarm: 0.60 ppm
0.30 ppm
TWA alarm:
0.9 ppm TWA alarm:
STEL alarm:
4.5 ppm STEL alarm: 1.00 ppm
OVER alarm: 30.0 ppm OVER alarm: 20.00 ppm

Ammonia(NH3)
0 - 400.0 ppm
0 - 300.0 ppm
0.5 ppm
First alarm:
25.0 ppm
Second alarm: 35.0 ppm
Third alarm: 35.0 ppm
TWA alarm:
25.0 ppm
STEL alarm: 35.0 ppm
OVER alarm: 400.0 ppm

0 - 100.00 ppm
0 - 20.00 ppm
0.05 ppm
2.00 ppm
First alarm:Second alarm:
5.00 ppm
Third alarm: 100.00 ppm
TWA alarm:
2.00 ppm
STEL alarm:
5.00 ppm
OVER alarm: 100.00 ppm

Carbon dioxide(CO2)
Infrared type0 - 10.00 vol
0 - 10,000 ppm
0 - 5.00 vol%0 - 10,000 ppm
0.01 vol%20 ppm0.50 vol% First alarm: 5,000 ppm
First alarm:Second alarm: 3.00 vol% Second alarm: 5,000 ppm
Third alarm: 3.00 vol% Third alarm: 5,000 ppm
TWA alarm:
0.50 vol% TWA alarm: 5,000 ppm
STEL alarm: 3.00 vol% OVER alarm: 10,000 ppm
OVER alarm: 10.00 vol%* Hydrogen cyanide concentrations are displayed as 0.0 ppm for concentrations between 0.0 and 0.2 ppm.

Standard accessories
Protective cover

AC adapter(Part No. 2594 0898 30)
Calibration adapter (simple type)(Part No. 4777 9370 70)
Alligator clip
(Part No. 4777 9203 10)
Appearance
when attached

Protective cover(Part No. 4777 4175 00)

Hand strap(Part No. 0888 0605 90)

EU plug(Part No. 2594 0933 60)

7Contact us for a quick quotation!

(Please make a copy of this sheet.)

Select one combustible gas sensor.
Code input box
①

Code
H
M
0

Selection
Combustible gas (HC) sensor
Combustible gas (CH4) sensor
No sensor

Model
NCR-6309
NCR-6309—

Display range
0 - 100 %LEL
0 - 100 %LEL—

Model
ESR-X13P—

Display range
0 - 40.0 vol%—Select whether oxygen sensor is required.
Code input box
②

Code
1
0

Selection
Oxygen (O2) sensor
No sensor

Select one sensor (detection gas type) to be installed.

Code input boxes
③④

Code

Selection

Model

E1

Carbon monoxide/hydrogen sulfide (CO/H2S) sensor

ESR-A1DP

E2
E3
E4
E5
E7
00

Carbon monoxide (CO) sensor * H2 interference reduction
Sulfur dioxide (SO2) sensor
Hydrogen sulfide (H2S) sensor
Carbon monoxide (CO) sensor
Hydrogen cyanide (HCN) sensor
No sensor

ESR-A1CPESR-A13D
ESR-A13i
ESR-A13P
ESR-A13D—

Display range
0 - 2,000 ppm
0 - 200.0 ppm
0 - 2,000 ppm
0 - 100.00 ppm
0 - 200.0 ppm
0 - 2,000 ppm
0 - 30.0 ppm—

Model
ESR-A13D
ESR-A13i
ESR-A13D
ESR-A13D
ESR-A13D2
ESR-B134
IRR-0409
IRR-0433—

Display range
0 - 100.00 ppm
0 - 200.0 ppm
0 - 20.00 ppm
0 - 30.0 ppm
0 - 20.00 ppm
0 - 400.0 ppm
0 - 10.00 vol%0 - 10,000 ppm—

Select one sensor (detection gas type) to be installed.

Code input boxes
⑤⑥

Code
E3
E4
E6
E7
E8
E9
D1
D2
00

Selection
Sulfur dioxide (SO2) sensor
Hydrogen sulfide (H2S) sensor
Nitrogen dioxide (NO2) sensor
Hydrogen cyanide (HCN) sensor
Phosphine (PH3) sensor
Ammonia (NH3)
Carbon dioxide (CO2) <vol%> sensor
Carbon dioxide (CO2) <ppm> sensor
No sensor

Note

Two identical sensors cannot be selected.

Select the battery type.

Bluetooth support*

Code
Code input box⑦

L
D

Selection
Rechargeable lithium ion
battery
Alkaline batteries

Model

Code

Selection

Model

BUL-3R

1

Bluetooth supported—

0Bluetooth not supported—

Code input box⑧

BUD-3R* Bluetooth compatibility is standard on Japan models.

Quantity required:

Write the selected codes in thecorresponding boxes on the right.

B

1
①

②

③

④

⑤

⑥

⑦

⑧

* Please submit a copy of this sheet for each set of
specifications if the specifications differ between
units.

Select optional accessories.
Name

Quantity

Name

Quantity

Name

Heat-resistant case

Manual suction unit (with 8 m float-type tube)

Calibration adapter

Leather case

Manual suction unit (with 30 m weighted tube)

Data logger management program

Belt clip

Charging cradle

Pump unit RP-3R (Pro/S)

Arm/ankle belt

Five-way charging cable (22.5 cm length)

Docking station SDM-3R

Protective film

Five-way charging cable (60 cm length)

Manual suction unit (with sampling probe)

Five-way charging cable (120 cm length)

Quantity

Distributed by:
2-7-6 Azusawa, Itabashi-ku, Tokyo 174-8744, Japan
Phone : +81- 3-3966-1113
Telefax : +81- 3-3558-9110
E-mail : intdept@rikenkeiki.co.jp
Web site : https://www.rikenkeiki.co.jp/english* The contents described in this catalog are
subject to change without notice according
to the performance improvement.

PC0E-1012-230600 S