the micro-computer controlled and modular designed host circuit can be used to construct a multi-gauge vacuum meter or other kinds of vacuum meters.
主机结构采用微机控制和真空计模块化设计,可构成复合真空计或用于组装其他真空计。
by using the circuit type of closed loop measurement and control with stable amplitude excitation signal, the vacuum meter possesses good sensitivity and reliability.
利用恒定振幅闭环测控电路方式,使整机具有良好的灵敏度和可靠性。
the authors expound principles of detecting fault and specific methods with vacuum meter in detail with some concrete examples.
结合具体实例详细地论述了利用真空表诊断故障的机理和具体方法。
on the working spot of centrifugal water pump, the detection can be carried out only by fixing the negative pressure translator in the original position of vacuum meter .