Design Engineering



General DPN

The series EPTA Electro-pneumatic transducer from Dwyer Instruments converts an analog input signal to a linearly proportionate pneumatic output by modulating its control valves to regulate branch pressure. All models incorporate two low voltage valves, an integral in-barb filter, an analog 30-psi gauge, an anodized aluminum manifold, and brass barbed fittings. The series offers adjustable span and offset as well as manual override. The unit has no air consumption and is immune to mounting orientation.

Field selectable output pressure ranges and input signal ranges ensure single unit compatibility with most systems.


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