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Dwyer 3000Mr-125Pa, 3000Mr Photohelic Switch/Gage

4.3 stars, based on 50 reviews

USD 305.30

In stock

Dwyer, 3000MR-125PA, Series 3000MR Photohelic Switch/Gage, Electromechanical Relays, 0-125 Pa Includes mounting ring, snap ring 18" cable assembly (2) 3/16" tubing to 1/8" NPT adapters (2) 1/8" NPT pipe plugs (4) 6-32 x 1-1/4" RH machine screws (panel mounting) (3) 6-32 x 5/16" RH machine screws (surface mounting) he Series 3000MR Photohelic® Switch/Gage combine the functions of a precise, highly repeatable differential pressure switch with a large easy-to-read analog pressure gage employing the durable, time-proven Magnehelic® gage design



3000MR models employ versatile electromechanical relays with gold over silver contacts - ideal for dry circuits

Applications Fan Control Damper Control Environmental Pollution Control Approvals CE Approval GOST-R Certificate

Compatible with air and other non-combustible, non-corrosive gases, they can be used in systems with pressures to 25 psig

Gage accuracy is 177 2 of full scale and switch repeatability is 177 1

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

Switch deadband is one pointer width - less than 1 of full scale

Switch setting is easy to adjust with large external knobs on the gage face

Units can be flush mounted in 4-13/16 hole or surface mounted with hardware supplied


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  • Phone: 1 800 633 9529