GFK70 Throttle Opening & Closing Sensors Introduction
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GFK70 throttle opening and closing state sensor can not only with the "KJPF mine safety monitoring system", but also with other monitoring and control system.It can continuously measure the coal mine ventilation roadway in throttle set by "switch" state. When the throttle due to various reasons are not locked, GFK70 throttle opening and closing state sensor to signal a switch quantity, computer monitoring system that ventilation of the administrator's cry can accurately know the downhole throttle switch state.
GFK70 Throttle Opening & Closing Sensors Parameters
1 Measurement range ：0～40mm
2 Output form ：switching value output
3 Explosion-proof form：Mine intrinsically safe
4 Explosion-proof sign：ExibI
5 Output as a set of normally open contacts, capacity：36V（AC）/1A；
6 Connect the cable length：0～1500m，YUYVR
7 Working mode ：continuous
8 protection capability GB4208的IP54 Grade