GW-3 (O2)

Gas Detectors

 
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Manufacturer: Riken Keiki

O2 portable gas detector for galvanic cell type

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Description

Features

  • Among world's smallest and lightest
  • Three-year sensor warranty
  • Newly developed R sensor installed for improved performance
 
Category Portable Gas Detector
Type Single Gas
Detection gas O2
Principle of detection Galvanic cell type
Detection range 0.0 to 25.0 %
(0.0 to 40.0 %)
Alarm setpoints L 18.0 % / LL 18.0 % / H 25.0 %
Response time within 20 seconds (Typical: 9 seconds)
Alarm type Gas alarms: Three-step alarms, STEL alarm, TWA alarm, OVER alarm
Fault alarms: Sensor connection/disconnection, low battery level, calibration failure, clock abnormality, system abnormality
Explosion protected construction Intrinsically safe
Explosion-proof class ATEX: II1G Ex ia IIC T4 Ga/IECEx: Ex ia IIC T4 Ga/INMETRO: Ex ia IIC T4 Ga/Japan Ex: Ex ia IIC T4 Ga
IP rating Equivalent to IP66/68 (2 m, 1 h)
Approvals ATEX, IECEx, INMETRO, Japan Ex, CE Marking
Power source CR2450 coin-type lithium battery
Battery life Approx. 4,000 hours
Dimensions 63 mm (W) × 42 mm (H) × 22 mm (D) (excluding projections)
Weight Approx. 45g
Operating temperature range -20℃ to +50℃ (no sudden changes)(Approx. 15-minute temporry use environment: -40℃ to +60℃[no sudden changes])
Operating humidity range 10 to 90%RH (no condensation)(Approx. 15-minute temporry use environment: 0 to 95%RH[no condensation])
 

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