This switch is used for tripping alarms and/or shutting down equipment. This dual-scale instrument has a polycarbonate case and lens for complete environmental protection and a range of 0-15 psi. This dual-scale instrument has a polycarbonate case and lens for complete environmental protection and a range of 0-30 psi. Murphy 05704256 A20P-150 Pressure … All models are environmentally sealed. This enables scale ranges of 0 ... 0.5 mbar up to 0 ... 1,000 bar to be covered, with a very high single and dual-sided and also bidirectional overpressure safety up to 400 bar. US $45.00-$60.00 / Piece. They offer an adjustable measurement range and two output signals, which can be selected in the menu. These gages are intended to monitor and indicate oil, fuel or water filter restriction Gauge is intended to monitor and indicate oil, fuel or water filter restriction and can reduce the risk of dangerously high pressure which may rupture the … In differential pressure gauges, different pressure elements and tube forms are used (diaphragm element, capsule element, Bourdon tube, etc.). This pressure makes it difficult to get an accurate level measurement using a conventional pressure gauge, and that is the reason a differential pressure gauge works much more effectively in this application. Quick View . Murphy electric pressure swichgage®. The A20DP-K-15 Differential Pressure Swichgage® with Rigid Contact is a 2" dial, diaphragm-actuated differential pressure-indicating gage with an adjustable (“K”) knob, which allows you to make field adjustments without needing a 1/16” hex key. Dual Scale psi & kPa. The differential pressure gauge is equipped with a dial face and pointer pursuant to DIN 16003, nominal size 100 mm or 160 mm. Condition is Used. MURPHY oil pressure gauge thermometer 20-70-2327 . MURPHY meter 20DPG-15 differential pressure gauge . $122.50 . This switch is used for tripping alarms and/or shutting down equipment. Install them in duct through a hole and connect to your gauge with tubing. Murphy 05700455 A20DP-K-15 Differential Pressure SwichGage. This dual-scale instrument has a polycarbonate case and lens for complete environmental protection and a range of 0-30 psi. The Murphy 0-30 PSI Mechanical Differential Pressure Swichgage 2" with Internal Snap-Acting SPDT Switch 20DPE-30 is a diaphragm-actuated, differential pressure-indicating gage with a built-in electrical switch. MURPHY meter A20PG-OS-300 hydraulic table . The rigid contact maintains your set-point if the differential pressure builds past the normal operating back-pressure. The A20DP-30 Differential Pressure Swichgage® is a 2" dial, diaphragm-actuated differential pressure-indicating gage. MURPHY meter A20PG-OS-100 gauge . If the two pressures being measured are the same, there is no movement through the pressure element and no pressure is indicated. The built-in switch is used for tripping alarms and/or shutting down equipment. They’re highly accurate and long-lasting. The 2- and 2.5-inch (51 and 64 mm) dial temperature Swichgage instrument. MURPHY meter A20V-30 vacuum gauge . 97.2% Response … That is why we are using a differential pressure gauge as the instrument for this job. The 20DP and A20DP series (2 inch / 51 mm dial) and the 25DP and A25DP series (2½ inch/64 mm dial) Swichgage® models are diaphragm-actuated, differential pressure indicating gauges with a built-in electrical switch. Sensors with pressure tubes give more accurate measurements in applications with high air flow. 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