Dwyer AT23000MR/3000MRS Photohelic® Switch/Gauge

Description Dwyer AT23000MR/3000MRS Photohelic combine the functions of a precise, highly repeatable differential pressure switch with a large easy-to-read analog pressure gage. Gage reading is unaffected by switch operation and will indicate accurately even if power is interrupted. AT23000MR series employ versatile electromechanical relays with low amperage ratings-ideal for dry circuits. For applications requiring high […]

Dwyer 43000 Capsu-Photohelic Pressure Switch / Gages

Description Dwyer 43000 Capsu-Photohelic Switch/Gages function as versatile, highly repeatable pressure switches combined with a precise pressure gage employing the time-proven Magnehelic® gage design. The Capsu-Photohelic® switch/gage employs an encapsulated sensing element for use with both liquids and gases at pressures of 500 psig (34 bar). Optional cast brass case is available for water or […]

Dwyer A3000 Photohelic Pressure Switch / Gages

Description Dwyer A3000 Photohelic Switch/Gages function as versatile, highly repeatable pressure switches combined with a precise pressure gage employing the time-proven Magnehelic® gage design. The Photohelic® switch/gage measures and controls positive, negative or differential pressures of air and compatible gases. Standard models are rated to 25 psig (1.7 bar) with options to 35 (2.4) or 80 […]

Dwyer 4000 Capsuhelic Differential Pressure Gage

Description Dwyer 4000 Capsuhelic Differential Pressure Gage is designed to give fast, accurate indication of differential pressures. The gage may be used as a readout device when measuring flowing fluids, pressure drop across filters, liquid levels in storage tanks and many other applications involving pressure, vacuum or differential pressure. The pressure being measured is held within […]

Dwyer 2000 Magnehelic Differential Pressure Gages

Description Dwyer 2000 Magnehelic Gage for a versatile low differential pressure gage with a wide choice of 81 models and 27 options to choose from. Using Dwyer’s simple, frictionless Magnehelic® gage movement, it quickly indicates air or noncorrosive gas pressures–either positive, negative (vacuum) or differential. The design resists shock, vibration, over-pressures and is weatherproof to […]

Dwyer MP Mini-Photohelic Differential Pressure Switch/Gage

Description Dwyer MP Mini-Photohelic Differential Pressure Switch/Gage combines the time proven Minihelic® II differential pressure gage with two SPDT switching set points. The Mini-Photohelic® switch/gage is designed to measure and control positive, negative, or differential pressures consisting of non-combustible and non-corrosive gases. Gage reading is independent of switch operation. Switching status is visible by LED indicators […]