Ambient temperature of mine power-off instrument
The mine power-off instrument shall be able to work reliably under the following conditions:
a) Temperature: 0 ℃ ~ 40 ℃;
b) Relative humidity: < 98% (25 ℃);
c) Atmospheric pressure: 85 kPa ~ 110 kPa;
d) Mechanical environment: no obvious vibration and impact.
e) In a dangerous environment with gas and coal dust explosion.
The bad storage and transportation conditions that the mining power-off meter can bear:
a) High temperature: 60 ℃;
b) Low temperature: - 40 ℃;
c) Average relative humidity: 95% (25 ℃);
d) Vibration: 50M / S2;
e) Impact: 500 m / s2
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