BH-4A Portable gas detector with a large LCD. It can monitor CO, H2S, O2 and combustible gas simultaneously. The instrument features two instant alarms with audio/visual and vibratory indicators, rechargeable battery, and simple use.
|Product type:||4 in 1 Multi-gas detector|
|Operating & Storage Environment||Temperature: -20°C~55°C (-4F~122F)|
|Humidity: 5%-95% (Relative humidity non-condensing)|
|Sampling method||Diffusion type|
|Detecting Range||CO: 0~1000ppm|
|Combustible Explosive Gas (Ex / LEL / CH4): 0~100%LEL|
|Sensor||O2 /H2S / CO: plug-in electrochemical sensor|
|Combustible gas (LEL): plug-in catalytic combustion sensor|
|Alarm Type||low & high alarm, multiple gas alarm, sensor alarm, battery low alarm, prompt tone, automatic shutdown alarm|
|Resolution||0.1%VOL (O2), 1ppm (CO), 0.1ppm (H2S), 1%LEL (EX)|
|Display||Alphanumeric large LCD displays the real time gas concentration and alarm stage|
|Backlight||Automatically activated when working in poor lighting environment or the alarm sounding or the button is knobbed down.|
|Self-checking Function||Self-checking Battery power, display, sensor, hardware failure|
|Power Supply||Rechargeable lithium battery|
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