Target gas: Methane, oxygen, carbon monoxide
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) 0-500 (carbon monoxide)
Sampling method: Diffusion type
Gas alarm: Display lamp blinking/buzzer continuous modulation ringing/gas concentration display blinking/vibration
Fault 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
br>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: Approximately 3 hours) Continuous use time: [When long battery mode is ON] Approximately 40 hours (25℃, after fully charged, no alarm, no lighting) [When long battery mode is OFF] Approximately 25 hours (25℃, After full charge, no alarm, no lighting)
Explosion-proof structure: Intrinsically safe explosion-proof structure

Riken Keiki GX-3R-C-CH4