Four-gas detector for surveying levels of H2S, oxygen (O2), carbon monoxide (CO), and combustibles in natural and industrial environments, and in other personal safety, training, research, and ambient air monitoring applications
Audio, visual, and vibration alarms alert simultaneously when ambient H2S, oxygen, carbon monoxide, and combustible gases reach preset low, high, TWA, or STEL levels
Rechargeable battery included and comes FACTORY-CALIBRATED.
Robust design constructed with high-strength ABS and anti-slip grip rubber. Waterproof, dust-proof, and explosion-proof exceeding Exib IIB T3 Gb.
** 1-year limited warranty Arrives with calibration and QA certificates

Product Name	4 gas detector
Model	X-4
EX Detection range/Resolution	(0~100)%LEL, 1%LEL
H2S Detection range/Resolution	(0~100)PPM, 1PPM
CO Detection range/Resolution	(0~1000)PPM, 1PPM
O2 Detection range/Resolution	(0~30)%VOL, 0.1%VOL
EX Low alarm/High alarm	20%LEL, 50%LE
H2S Low alarm/High alarm	10PPM, 20PPM
CO Low alarm/High alarm	50PPM, 200PPM
O2 Low alarm/High alarm	19.5%VOL, 23.5%VOL
Error	±5% FS (combustible),±10% FS (carbon monoxide),±10% FS (hydrogen sulfide)
Response time	T<30s
Indicate method	LCD indicates the real time data and system status, Light-emitting diode, sound, vibrate indication alarm, failure, and lack of voltage Working
Working Temperature	-4F-122F
Working Humidity	< 95 %RH (non-condensing)
Power Source	DC 3.7 V Li-lon Rechargeable battery, 2000 mAh
Explosion proof mark	Ex ib IIB T3 Gb
Charging time	3~5 hrs
Standby time	15~18 hrs under a standard situation
Life of Sensors	EX, H2S, C0---3 years; 02---5 years
Dimension	5.21.92.2 inch
Weight	17.6 ounce

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