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KGY4 Negative Pressure Sensor can monitor the differential pressure of these places---mine fan, damper-enclosure, ventilation roadway. It can real-time display the differential pressure value of measured point. Sensor can not only coordinate with KJ70 coal mine monitoring system of our company, but also can make compatible with other coal mine monitoring system.
KGY4 negative pressure Sensor administer standard MT393-1995《general technical regulation of mining differential pressure Sensor》.
1. The form of explosionproof: mining intrinsicallly safe type “ExibI”
2. Measuring range: 0 kPa～5 kPa
3. Fundamental error: ±2 %
4. Working voltage: DC12 V～18 V
5. Working current: less than 80 mA
6. Output sigal: ⑴frequency: 200-1000Hz、0-200Hz、5-15Hz
(2)electronic current: 1-5MA、4-20MA
7. Transmission distance of signal:
8. Overloaded capacity: 200% the maximum of measured value
9. Structural parameter: external dimension((280×180×68)mm
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