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| Portable gas detection alarm for Methane |
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No:DS CH4
Details: CH4 gas detection
New feature: Only when the calibration switch is pressell well, we can operate the calibration. It's used to prevent the srong operation an error detection.
Application places: Underground Coal Mine, petrochemical, metallurgical, chemical, municipal gas, and other places at the scene detection;
Technical indicator |
Parameter |
Measuring range |
( 0.00~4.00 ) %CH4 |
Measurement error |
( 0.00~1.00 ) %CH4£º¡À0.10% CH4
( 1.00~3.00 ) %CH4£º(true value)¡À0.10%
( 3.00~4.00 ) %CH4£º¡À0.30%CH4 |
Resolution ratio |
0.01%CH4 |
Display |
Display digital diode£¨LED£©display |
Response time |
¡Ü20S ( T90 ) |
Alarm sound intensity |
¡Ý75dB |
Alarm light |
¡Ý20M visible |
Alarm point |
can be set ?in full proceed(factory setting1.00%CH 4) |
Alarm way |
Sound, light |
Continuous working time |
£¾10 hours |
Sensor lifetime |
¡Ý1year |
Working current |
130mA |
Battery model |
PL123450 |
Charging time |
4-5 hours |
Protection degree |
IP54 |
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