The basic tasks of mine ventilation have the following three aspects:
(1) Sufficient fresh air is sent to the well to supply the oxygen required for the underground personnel to breathe.
(2) Discharge the air from the harmful gases and dust to the ground to ensure the quality of the underground air and limit the concentration of the dust within the safe range.
(3) After the fresh air is sent to the well, it can adjust the climatic conditions of the underground roadway and workplace, meet the requirements of the specified wind speed, temperature and humidity, and create a good working environment.
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SF6 GAS LEAK DETECTOR - Q200
ULTRA-HIGH SENSITIVITY SF6 TRACER GAS LEAK DETECTOR - Q200
(It was AI Qualitek 200/Uson Qualichek 200.)
Measuring Principle:Electron capture with the sensor(ECD)
Concentration Sensitivity: 0.01ppm(1 x10-8 ml/s SF6).(1 x 10-10mL/s SF6 with capillary inlet)
Response time :1 second(85% of reading).