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Winters Instruments - 9WPSH12N4
Features
- Vac to 10,000 psi pressure range
- Explosion proof SPDT or DPDT switch
- Stainless steel with FKM and PTFE wetted parts
- ANSI dual seal design
- Diaphragm seal/piston sensor
- Safe to adjust during operation
- Lockable setpoint wheel to avoid shifting during operation
- ±2% of full scale accuracy
- NEMA 4X, 7 9 enclosure rating
- CSA approved for hazardous locations
- Designed for sour gas applications requiring NACE standards MR0175-2009
- CRN registered (up to 3,000 psi models)
- 5 year warranty
Applications
Suitable for hazardous locations including safety panels and with pumps and gas compressors, turbines and other oil gas applications
Additional Information
Housing Material316 SS
Port Material316 SS
Accuracy±2% of full scale
Pressure Connection1/4” NPTF (1/2" NPTF optional)
Electrical Connection1/2" NPTM, 18 AWG, 18" (457 mm) free leads
Wetted PartsVacuum and low pressure - seals: FKM diaphragm, High pressure - piston: SS with PTFE backup ring and FKM o-ring
Set Point AdjustmentInternal adjustment wheel with built in locking set-screws (#6)1
DeadbandFixed
Contact Rating11 amps @ 125/250 Vac, 5 amps @ 30 Vdc
No. of Contacts1 x SPDT, DPDT (2 x SPDT, DPDT optional)
Vibration10 g 10-500 Hz, MIL-STD-202F
Shock50 g, 11 ms, MIL-S-901C
EMI/RFI ProtectionEN55011
Ambient Temperature-40°F to 149°F (-40°C to 65°C)
Enclosure RatingNEMA 4X, 7 9
ApprovalsCSA (Canada and US) approved for use in hazardous locations Class I, Div. 1, Groups B, C D, Class II, Div. 1, Groups E, F G, CRN registered (up to 3,000 psi model), ANSI dual seal compliant, NACE MR0175-2009 compliant
Typical Life2.5 million cycles
Weight1.85 lbs (839 grams)
CategoryPressure Switches
ManufactureWinters Instruments
Mpn9WPSH12N4
Subcategory9Wps Explosion Proof Compact Pressure Switch