General:
ZPD 3000 series electro-pneumatic positioner, mounted
on a pneumatic actuator, moves the actuator by receiving DC
4 — 20 mA signals from a controller. Also, the function of
detecting and returning the actuator displacement provides
accurate positioning in response to DC 4 — 20 mA signals.
The ZPD 3000 can be used with both single and double
acting actuators.

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