C0E-0901

Personal single gas monitor
Model: 03 series
ATEX intrinsic safe design
Explosion proof: Ⅱ1 G Ex ia ⅡC T4/T3 Ga
Ⅰ M1 Ex iaⅠ Ma
Ingress protection rating: IP 67

Interchangeable battery
AAA(2) Alkaline battery is standard power source,
Ni-MH battery can be installed as optional choice.

Comfortable wearable design
Well-balanced weight and shape to ensure comfortwearing. Alligator clip prevents the unit from dropping.

Model GP-03
Combustible gas
detection

Sensor, filter, and battery are replaceable.
Robust waterproof design andIntrinsically Safety rating make the 03 series
the ideal gas monitor for
many hazardous applications!

Application• LEL monitoring for gas pipeline installations.
• LEL & CO monitoring while checking orinstalling gas meters.
• O2 & H2S monitoring while working intanks, pits, or other confined spaces.
• CO monitoring in iron and steel plants.
• H2S monitoring around oil fields, refineries,petrochemical plants.

Model OX-03

Model HS-03

Model CO-03

Oxygen detection

Hydrogen sulfide
detection

Carbon monoxide
detection

Specifications
ModelGP-03

OX-03

HS-03

CO-03

Gas detectedCombustible gases

OxygenHydrogen sulfide

Carbon monoxide

Detection principle

New ceramic catalytic

Galvanic cell

Detection range

0 ~ 100%LEL

0 ~ 40.0%

0 ~ 100.0ppm

0 ~ 500ppm

Increments

1%LEL

0.1%

0.5ppm

1ppm

Preset alarms

1st: 10%LEL
2nd : 50%LEL
OVER : 100%LEL

1st: 19.5%
2nd : 23.5%
OVER : 40.0%

1st: 5.0ppm
2nd : 30.0ppm
STEL : 15.0ppm
TWA : 10.0ppm
OVER : 100.0ppm

1st: 25ppm
2nd : 50ppm
STEL : 200ppm
TWA : 25ppm
OVER : 500ppm

Electrochemical

Gas alarms: 2 preset alarms, Over scale alarm, STEL, TWA
Trouble alarms: Sensor disconnection, Low battery, Calibration error, Clock error, System error

Types of alarm*1

Latching

Alarm method

Latching

Latching

Display of alarm

Gas alarms: Flashing LEDs, Buzzer, Flashing gas value, Vibration
Trouble alarms: Flashing LEDs, continuous buzzer, display of error message

Operating temp.
& humidity-20 ~ +50℃ [-4°F ~ 122°F]
0 ~ 90%RH (Non-condensing)-20 ~ +50°C [-4°F ~ 122°F]
0 ~ 95%RH (Non-condensing)

Latching-20 ~ +50°C [-4°F ~ 122°F]
16 ~ 85%RH (Non-condensing)

2 AAA size Alkaline battery (Optional AAA size Ni-MH battery [Eneloop])

Power source
Continuous
operation*2

Alkaline battery : Approx.35 h
Ni-MH battery : Approx.30 h

Response time

90% response within 30 sec

Alkaline battery : Approx.3000 h
Ni-MH battery : Approx.2000 h
90% response within 20 sec

90% response within 30 sec

Ingress proof rating

IP 67

Explosion proof class*3

Ⅱ1 G Ex ia ⅡC T4/T3 Ga,ⅠM1 Ex iaⅠMa

Approvals

IECEx, ATEX

Dimensions& WeightApprox. 54(W) × 67(H) × 24(D) mm [2.1(W) × 2.6(H) × 0.9(D) inches] with rubber protection cover, 80g [2.8 ounces]

Function

Manual LCD backlight (Automatically ON when alarming), Peak value, Data logging, Time, CAL alarm, BUMP alarm*1 STEL and TWA alarms are available on HS-03 and CO-03 only. *2 No alarm, no light at 25°C
*3 Applicable ignition temperature is T3 for the rechargeable battery type and T4 for the dry battery type.

Accessories(2.1 inches)
54mm

Hand strap(1.5 inches)
40mm
24mm
(0.9 inches)

Battery charger(2.6 inches)
67mm

Optional

Standard

Rubber protection
coverOuter dimensions

FilterAlligator clip
Ni-MH battery

Data logger download
Alkaline drybattery
Belt clip
Data logger management program

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 : http://www.rikenkeiki.co.jp/english
Printed in Japan C0E-0901-180630 S