Product Description 
 H2S measuring device is a new generation of micro-intelligent detector, continuously detect the presence of flammable, explosive, flammable hydrogen sulfide concentration in the gas mixture environment, and with excessive sound and light alarm. 
 Functional assay CLH100 hydrogen sulfide measurement using advanced ultra-low power microcontrollers: the automatic zero menu calibration, user-friendly; 128 x 64 dot matrix LCD display; friendly Chinese interface; automatically record alarm information; manually record any time measurement data; embedded real-time clock and thermometer; alarm point adjustable; battery undervoltage prompted; replaceable modular sensor; boot self-test function. 
 CLH100 H2S measuring device technical parameters 
 Measuring range: 0 to 100 x 10-6H2S 
 Alarm point: 0 to 100 × 10-6H2S continuously adjustable (factory set of 20 × 10-6H2S) 
 Response time: T ≤ 60s 
 Indicate way: 128 x 64 dot matrix LCD display real-time data, menu and system status 
 The light-emitting diode and audible alarm, fault tips and undervoltage instructions 
 Working environment: temperature 0 ℃ ~ 40 ℃; 
 Humidity ≤ 98% RH 
 Atmospheric pressure: 86kPa ~ 110kPa 
 Operating voltage: 7V 
 Operating Current: ≤ 110mA 
 Battery Model: PL123450 lithium battery 
 Battery capacity: 1500mAh 
 U0: 3V 
 I0: 1A 
 Charging time: 4h ~ 6h 
 Sensor Life: 1 year 
 Protection class: IP54 
 Weight: about 140g (including battery) 
 Dimensions: 5mm × 5mm × 109mm 
 Applications: Fire, limited space detection, municipal, chemical, gas, coal mine