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GC-78 |
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* Excellent Reliability and High Stability * Double Electrochemistry Sensors inside, one is for Gas, another one is for CO * Self Test Function * Visual and Audible Alarm Function * Sensor Fault Self Test Function * Low Power Consumption * Able to detect Coal Gas, LPG, Natural Gas and CO |
| Specifications |
|
Model |
GC-78 |
|
Sensor |
Electrochemistry Co and Gas |
|
Power Supply |
AC220V/50~60Hz |
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9V battery back-up |
battery life is 1 year |
|
Alarm density |
CO: 150±10ppm; Coal gas:1000~5000ppm Liquid petroleum gas: 1000~5000ppm Natural gas: 1000ppm~5000ppm |
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Rated Current |
Static current: ≤40mA, Alarm Current: ≤80mA |
|
Working Humidity |
20% to 90%R.H |
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Responding time |
Gas ≤30S |
|
Working Temperature |
-10℃ to 60℃ |
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Sound Level |
85dB/m |
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Alarm output |
Frequent on or off signal,control exhaust fan, electrical magnetic valve signal | |
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