| Handhold CH4 & CO gas detector |
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No: DSCH4CO
Details: 2 in 1 gas detector, testing two gases of ch4 and co.
Application places: in the coal mine, tunnel and other continuous monitoring environment. When the gas concentration is exceeded, the detector can make sound, light, vibration alarm automatically. It can be portable used by relevant staff, managers, professionals, mobile workers. Also it can be used in the above-mentioned fixed places.
Technical indicator |
Parameter |
Measuring range |
CO: ( 0~1000) ppm; ( 0.00~4.00 ) %CH4 |
Measurement error |
CO: ( 0~20 )ppm: ±2ppm; ( 20~100 )ppm: ±4ppm
( 100~ 500)ppm: true value±5%; （500~1000ppm：true value±6%
CH4: ( 0.00~1.00 ) %CH4：±0.10% CH4
( 1.00~3.00 ) %CH4：(true value)±0.10%
( 3.00~4.00 ) %CH4：±0.30%CH4 |
Resolution ratio |
CO:? 1ppm;
Ch4: 0.01%CH4 |
Display |
Liquid crystal display（LCD）display |
Response time |
CO: ≤45s (T90); CH4: ≤20S ( T90 ) |
Alarm sound intensity |
≥75dB |
Alarm light |
≥20M visible |
Alarm point |
can be set ?in full proceed (factory setting 24ppm) |
Alarm way |
Sound, light |
Continuous working time |
＞3 months ( without backlight) |
Sensor lifetime |
≥2 year |
Working current |
< 1mA ( without backlight) |
Battery model |
PL123450 |
Charging time |
4-5 hours |
Protection degree |
IP54 |
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