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Certificate/Warranty card *1
accompanied by two beeps
Analog Bar Display and Buzzer Alarm: Real-time feedback with sound and visual alarms for immediate gas leakage detection
Protection class: ip65
BH-4A 4 Gas Monitor - O2, H2S, CO and LEL Detection CO Gas Detector Certificate/Warranty card *1Product Overview The BH 4A is a portable 4 gas monitor for checking oxygen, hydrogen sulfide, carbon monoxide, and combustible gas levels. It is offered in standard and pump assisted variants for field, maintenance, and facility monitoring tasks. Detection Details Measures O2, H2S, CO, and LEL combustible gas in one handheld instrument. Available as a standard BH 4A version or a BH 4A version with pump. Supports sound, light, vibration, and screen
