Differential pressure gauges is used to test the pressure difference between two points, it is a mechanicalpressuregauge that can directly indicate the pressure difference on the instrument meter.
差压表是用来检测两个检测点的压力差值,直接在仪表表盘上指示出差压值的机械式压力表。
2
Mechanicalpressure switch, 1 nc, no, positive gauge pressure.
机械压力开关,1个常闭点常开点,正表压。
3
The mechanical throttle valve is electrically controlled, e. g. the valve position is under closed-loop control to the output of the pressuregauge.