BX626 portable multi-gas detection alarm is a flexible configuration for single gas or a variety of gas detection alar. It can be equipment with oxygen sensors, sensors of combustible gases and toxic gas sensors or any four gas sensors or single sensor. BX626 has a very large clear LCD, backlight, vibration alarm sound and light, which makes sure the dangerous gases detection even in a harsh working environment and prompts staff in time to prevent accidents. Features: 1. Compact, lightweight, sturdy 2. Sound, light, vibration alarm 3. Large screen digital, character display, instantaneous value, peak value, average value display 4. Self-test of the battery, sensor, alarm function when necessary or boot 5. Safety tips: Regular Flash, voice prompts 6. Superior audio sound alarm 7. Low maintenance costs 8. Detect one, two, three or four kinds of gases(4 in 1 gas detector with 4 gas sensors) Main functions and features Measuring gas O2, CO,H2S,flammable gas Measuring range O2:0-25%VOL,CO:0-2000ppm,H2S:0-200ppm, combustible gas:0-100%LEL Sensor type Electrochemical, catalytic combustion sensor Alarm mode Sound alarm more than 90dB (10cm); Light alarm red LED; Vibration alarm Data storage save 64 sets of data Backlight bright yellow backlight Work mode Continuous working Combustible gas can work continuously for 12 hours Response time less than 40s Weight 200g Temperature range -20¡ãC ~ 50¡ãC Humidity range 0 ~ 95%(Non-condensing) packed in cartons weight 200g