Standard models are rated to 25 psig 17 bar with options to 35 24 or 80. It shows the components of the circuit as simplified shapes and the faculty and signal links amid the devices.
3000mr Photohelic Dwyer Instruments
Dwyer photohelic 3000mr wiring diagram. Specify dwyer instruments inc. Contacts of the right set point relay section a figure d. Gage reading is unaffected by switch operation. Combines differential pressure gage with lowhigh set points. Switch setting is easy to adjust with large external knobs on the gage face. The photohelic pressure switchgage may be mounted as an integral package or the amplifier load relay assembly and housing may be mounted remotely from the indicating gage phototransistor unit.
Photohelic switchgages combines differential pressure gage with lowhigh set points compact size 42 dwyer instruments inc. Using solid state technology the series 3000mr photohelic switchgage combines the functions of a precise highly repeat able differential pressure switch with a large easy to read analog pressure gage employing the durable time proven magnehelic. The series a3000 photohelic switchgages function as versatile highly repeatable pressure switches combined with a precise pressure gage employing the time proven magnehelic gage design. To accomplish this use one set point relay to reset the other as shown in the wiring diagram figure g. Control fans dampers pumps etc between the set points of a photohelic sgt. Using solid state technology the series 3000mr3000mrs photohelic switchgages 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.
In this typical application the load for instance a fan would be connected to the nc. Series a3000 photohelic differential pressure switchgage specifications installation and operating instructions bulletin b 33 a the series a3000 photohelic switchgage is a versatile 2 in 1 instrument combining a time proven magnehelic differential pressure gage with lowhigh pressure switches. For dc circuits also include a 1n4005 diode. Extension cords with 7 pin plugs and receptacles are available from dwyer for interconnection of the two units. Using solid state technology the series 3000mr and 3000mrs photohelic switchgages 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. Dwyer photohelic wiring diagram 3000mrs photohelica manualzz com dwyer photohelic wiring diagram wiring diagram is a simplified conventional pictorial representation of an electrical circuit.
The photohelic switchgage measures and controls positive negative or differential pressures of air and compatible gases. Home dwyer instruments.
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