Dwyer Series 3000MR/3000MRS Photohelic® Switch/Gage - Wiratama Mitra Abadi | Industrial Equipment

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29.12.20

Dwyer Series 3000MR/3000MRS Photohelic® Switch/Gage

 Dwyer Company Headquarters is in Michigan City, Indiana. Dwyer uses advances computer modeling software to simulate real world situations, creating more accurate measurement techniques in our products. Innovative product designs have been recognized by industry experts, including ACHR Dealer Design Awards in the Testing and Monitoring category for 2014 and 2015.

Dwyer has invested in state of the art research and development facilities for best in class product testing and verification. Dwyer has a long history of innovation in designing and manufacturing our own measurement sensors that provide superior product performance.

 
Dwyer Series 3000MR/3000MRS Photohelic® Switch/Gage

Series 3000MR/3000MRS Photohelic® Switch/Gage

Using solid state technology, the Series 3000MR/3000MRS Photohelic® Switch/Gages 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.

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 or surface mounted with hardware supplied. 3000MR models employ versatile electromechanical relays with gold over silver contacts - ideal for dry circuits.

For applications requiring high cycle rates, choose 3000MRS models with SPST (N.O.) solid state relays. All models provide both low and high limit control and include 18-inch (45 cm) cable assemblies for electrical connections.

Compatible with air and other non-combustible, non-corrosive gases, they can be used in systems with pressures to 25 psig (1.725 bar). Optional construction is available for use to either 35 psig (2.42 bar) or 80 psig (5.51 bar). Included Accessories: mounting ring, snap ring; 18" (45 cm) 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); and (3) 6-32 x 5/16" RH machine screws (surface mounting).

Features

  • Gage reading unaffected by switch operation and will continue to read pressure even during power loss
  • Zero and range adjustments outside of gage means no disassembly in normal service
  • Solid-state design allows for switching in high cycle rate applications without degradation

Application

  • Pneumatic Conveying
  • Air Conditioning Systems
  • Clean Rooms

Another Article:

Specification

Gage Specifications 
ServiceAir and non-combustible, compatible gases.
Wetted MaterialsConsult factory.
Accuracy±2% of FS (3000-0 ±3% of FS). (3000-00 ±4% of FS).
Pressure Limit-20" Hg. to 25 psig (-0.677 bar to 1.72 bar). MP option: 35 psig (2.41 bar), HP option: 80 psig (5.52 bar).
Temperature Limits20 to 120°F (-6.67 to 48.9°C).
Process Connections1/8" female NPT (duplicated side and back).
Size4" (101.6 mm) dial face, 5" (127 mm) OD x 3-1/8" (79.38 mm).
Weight1.8 Ib (816 g).
Switch Specifications 3000MR 
Switch TypeEach setpoint has 1 form C relays (SPDT).
Relay Contacts(Resistive load) 1 form C rated 1.0A @ 30 VDC, 0.3A @ 110 VDC or 0.5A @ 125 VAC. Gold over clad silver - suitable for dry circuits.
Electrical Connections18" (46 cm) cable assembly with 8 conductors. Optional lengths to 100' (30.5 m).
Power Requirements24 VDC, regulated ±10%.
Mounting OrientationDiaphragm in vertical position. Consult factory for other position orientations.
Set Point AdjustmentAdjustable knobs on face.
Agency ApprovalsCE.
Switch Specifications 3000MRS 
Switch TypeEach setpoint has a solid state relay.
Switching Voltage20-280 VAC (47-63 Hz).
Switching Current1.0 amp (AC) max., 0.01 mA (AC) min., (2) SPST NO.
Electrical Connections18" (46 cm) cable assembly with 6 conductors, optional lengths to 100' (30.5 m).
Power Requirements24 VDC, regulated ±10%. 24VAC optional.
Mounting OrientationDiaphragm in vertical position. Consult factory for other position orientations.
Set Point AdjustmentAdjustable knobs on face.
Agency ApprovalsCE.

Download Data Sheet: Series 3000MR/3000MRS Photohelic® Switch/Gage

Ref: dwyer-inst.com

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