西门子77系列空气转换器的简单介绍

西门子77系列空气转换器的详细信息

Transducers
Model 77 Current-to-Pneumatic Transducer
The Model 77 Current-to-Pneumatic Tranducer, designed specifically for measuring circuits, converts the output of an electronic measuring device to a pneumatic signal.Model 771 Current-to-Pneumatic Transducers

The Model 771 Current-to-Pneumatic Transducers designed as a cost-effective valve service transducer. The Model 771 receives the output of an electronic signal, such as a PID control function, and drives a control valve via the transducer until the control function is satisfied.