Target gas: Methane, oxygen, hydrogen sulfide
Width (mm): 58
Depth (mm): 26
Height (mm): 65
Protection class: IP66/68 (2m, 1h ) equivalent
Detection range: (%LEL) 0-100 (flammable gas) / (vol%) 0-25.0 (oxygen) / (ppm) 0-30.0 (hydrogen sulfide)
Sampling method: diffusion method
Gas alarm: indicator lamp flashing/buzzer continuous modulation ringing/gas concentration display flashing/vibration
Failure alarm: system abnormality, sensor abnormality, battery voltage drop, poor calibration
Failure alarm display: lamp flashing/buzzer Intermittent/content display
Display: LCD digital (7 segments), with backlight
Various displays: operating status display, clock display, remaining battery level display, temperature display, peak value display, calibration notification display
Buzzer sound pressure (dB): Approx. 95 (30cm) Data logger function Maximum number of records (records): 3600 (Interval: 5 minutes/settings changeable) Power source: Lithium ion rechargeable battery (Charging time: Approx. 3 Continuous use time: [When long battery mode is ON] Approximately 40 hours (25℃, fully charged, no alarm, no lighting) [When long battery mode is OFF] Approximately 25 hours (25℃, fully charged (after, no alarm, no lighting)
Explosion-proof structure: Intrinsically safe explosion-proof structure

Riken Keiki GX-3R-B-CH4