Riken Keiki GW-3, Operation Manual

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10. Product Specifications 10-2. Specifications by model
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Alarm delay
time
Within 5 seconds Within 12 seconds Within 15 seconds Within 30 seconds Within 30 seconds Within 30 seconds Within 12 seconds
Gas alarm
pattern
Self-latching Self-latching Self-latching
Japan models: Auto
reset
Export models: Self-
latching
Japan models: Auto
reset
Export models: Self-
latching
Japan models: Auto
reset
Export models: Self-
latching
Self-latching
Operating
temperature
range
− 20 °C to +50 °C
(no sudden changes)
In temporary ambient conditions for approx. 15 minutes: − 20 °C to +60 °C (no sudden changes)
Continuous use environment: − 20 °C to +50 °C (no sudden changes)
Operating
humidity range 10 to 90 %RH
(no condensation)
In temporary ambient conditions for approx. 15 minutes: 0 to 95 %RH (no condensation)
Continuous use environment: 10 to 90 %RH (no condensation)
Operating
pressure range
80 kPa to 120 kPa (80 kPa to 110 kPa for explosion-proof range)
Certifications JIS T 8201:2010
-
JIS T 8205:2018
-
Continuous
operating time
(25 °C, no alarm,
no lighting)
Approx. 4,000 hours Approx. 2,000 hours Approx. 4,000 hours Approx. 4,000 hours Approx. 2,500 hours Approx. 2,000 hours