Pressure. VISIT OUR WEBSITES: • Using solid state technology, the Series MR and MRS Photohelic®. Dwyer MR-0 Photohelic Differential Pressure Switch/Gauge (“w.c.). Great savings PLUS Free Shipping when you order today on. Order the MRPA Photohelic Pressure Switch/Gauge Pa, minor divisions. On sale at Transcat. FREE shipping over $

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Specifications — Installation and Operating Instructions.

Do not exceed specified electrical rat- ings. Permanent damage not covered by warranty will result. This unit is not designed for AC line volt- age operation.

Electrical connections are made by means of the cable assembly supplied which has a multi-pin female plug installed on one end which mates with the swyer connector on the rear of the gage. Wire leads on the opposite end of the assembly are connected in accordance with the drawing and chart to the right. For DC circuits, also include a 1N diode.


Dwyer 3000MR User Manual

Using solid state technology, the Deyer MR Photohelic. Switch setting is easy to adjust with large external knobs on the gage face. Gage reading is unaffected by switch operation — will indicate accurately even if power is interrupted.

Solid state design now results in greatly reduced size and weight. Units can be flush mounted in 4. All models provide both low and high limit control and include inch 45 cm cable assemblies for electrical con- nections.

Compatible with air and other non-combustible, non- corrosive gases, they can be used in systems with pressures to 25 psig 1. Optional construction is available for use to either 35 psig 2. Mounting ring, snap ring. Air and dqyer, compatible gases. MP option; 35 psig 2.

Dwyer MRPA Photohelic Pressure Switch/Gauge | Transcat

Gold over clad silver – suitable for dry circuits. Diaphragm in vertical position. Consult factory for other position orientations.


Adjustable knobs on face. Complain wrong Brand wrong Model non readable.

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