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PA Series Low Range Pressure Difference Switch
Brand: Orion InstrumentsPA series pressure switches are housed in pressure die cast Aluminum powder coated enclosure and are recommended for panel mounting or outdoor service, based on the type of enclosure opted for.
The on-off differential can be varied in this switch, within the limits specified.
The repeat accuracy is better than ±2% Full ScaleR.
A separate terminal block is provided for electrical wiring.
Pressure ports are 1/4" Female BSP standard.
Features- Compact
- Separate chamber for working parts
- Electrical rating: 5 A, 250
- Vac, 0.2 A, 250 Vdc (res.)
- High pressure port: 1/4" Female BSP
- Low pressure port: 1/4" Female BSP
Specifications
Brand
Accuracy
- ± 2 % of Full Scale Range
Diaphragm Material
- Neoprene
- Sealing Diaphragm: Teflon
Differential Pressure
- inH₂O: 3.93 to 15.75 (mm Wg: 100 to 400)
- psi: 0.14 to 0.56 (kPa: 0.97 to 3.92, Mbar: 9.78 to 39.23)
Electrical Rating
- 0.2 A at 250 Vdc
- 5 A at 250 Vac
Enclosure, Body Material
- Die Cast Aluminum
Environmental Protection
- IP54
- IP65
Flange Material
- Mild Steel
Gasket Material
- Nitrile
Materials of Construction
- Support Spring: Stainless Steel
- Transfer Pin, Support/Plate: Aluminum
O-Ring Material
- Nitrile
- Teflon
Operating Pressure
- Maximum
Process Connection Material
- Mild Steel
Screw Material
- Mild Steel
Set Point - Decreasing
- bar: 0.01 to 0.049
- inH₂O: 3.93 to 19.685 (mmH₂O: 100 to 500)
- kPa: 1 to 4.90
- psi: 0.14 to 0.71
Set Point - Increasing
- bar: 0.01 to 0.049
- inH₂O: 3.93 to 19.69 (mmH₂O: 100 to 500)
- kPa: 1 to 4.90
- psi: 0.14 to 0.71
System Pressure
- bar: 0 to 0.5
- kPa: 0 to 50
- psi: 0 to 7.25