Portable Gas Monitor GW-3(O2) | Category Search | RIKEN KEIKI CO., LTD.

Portable Gas Monitor

GW-3 series

GW-3(O2)

Features

･Among world's smallest and lightest
･One-year sensor warranty
･Newly developed R sensor installed for improved
performance.

GW-3(O2)

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360 view *Image is GW-3(CO)

Specification
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Sampling method	Diffusion type/Single type
Principle of detection	Membrane Type Galvanic Cell Method
Detection range	0.0 to 25.0 vol%
Alarm setpoints	L 18.0 vol%　LL 18.0vol%　H 25.0vol%
Type of alarm	Gas alarm / fault alarm
Display of alarm	Flashing lamp / buzzer / flashing gas concentration readout / vibration
Explosion protected construction	Intrinsic safety
Explosion-proof class	IECEx : Ex ia ⅡC T4 Ga ATEX : Ⅱ1G Ex ia ⅡC T4 Ga
Ingress proof rating	IP66/68（2m, 1h）
Approvals	Japan Ex, ATEX, IECEx, China Ex, JIS
CE marking	EMC / ATEX / RoHS
Power source	CR2450 coin type lithium ion battery
Continuous operation	Approx. 4000 hours
Dimensions	Approx. 63(W)×42(H)×22(D) mm (excluding projections)
Weight	Approx. 45 g
Operating temperature range	-20 to +50 ℃ (no sudden changes)
Operating humidity range	10 to 90 %RH (no condensation)

Target gas

O2

Catalog	日本語 English
Manual	日本語(GW-3ｼﾘｰｽﾞ_ﾃｸﾆｶﾙﾏﾆｭｱﾙ) 日本語(GW-3ｼﾘｰｽﾞ_ｵﾍﾟﾚｰｼｮﾝﾏﾆｭｱﾙ) 簡易版(GW-3ｼﾘｰｽﾞ) 日本語(SW-GW-3) English(GW-3series_Technical manual) English(GW-3series_ Operating manual) Quick reference(GW-3series) English(SW-GW-3) 简体中文(GW-3series_Technical manual) 繁體中文(GW-3series_Technical manual) German(GW-3series_Technical manual) Korean(GW-3series_Technical manual) Korean(GW-3series_ Operating manual)
Approvals	国内防爆(Japan EX) IECEx ATEX JIS自己宣言書 CE

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4732 9183 10

Wristwatch belt

4711 7112 90

Heat-resistant case

*This cover is non-explosion proof.

4711 7113 60

Leather case

4732 5006 70

Alligator clip

4732 9285 90

Calibration cap

4123 9703 10

Arm band

0888 0605 90

SG-8753

9811 08

Data logger management program