OMEGA

PSW-691-N1 OEM Mechanical Pressure Switch w/high purity

0.8 to 30 psi, fixed deadband

Have questions? We're here to help!
Have questions? We're here to help!
Call
Email
Used in
PSW 691 N1 OEM Mechanical Pressure Switch whigh purity 13721
• All Stainless Steel Wetted Parts
• Sensing Element Capsule, Electron Beam Welded
• Helium Leak Tested 4 x 10-9 STD CC/sec
• External Pressure Scale and Pointer For Easy Set Point Adjustment
Process Temp.-54 to 107°C (-65 to 225°F); setpoint change of up to 2% of sensor capacity may be anticipated when switch is used either below -23°C or above 51°C
CyclingNot to exceed 20 cycles/min, 1 million cycles
Proof Pressure150% max pressure
Wetted Parts17-7 PH electron beam welded, 303 SS fitting
Enclosure303 Stainless Steel body, zinc alloy with chromate finish locking ring and switch housing, valox cap
Dimensions51 L x 29 mm Dia (2 x 1.125') with NPT fitting; 60 L x 29 mm Dia (2.375 x 1.125') with VCR fitting
WeightApprox. 85g (3 oz)
Pressure Port1/8-27 MNPT or 1/4 VCR
Electrical300 mm (12') pigtail leads, 20 AWG, polyvinyl insulated
Wiring Code
Pressure SwitchBlack = Common, Red = N/C, White = N/O
Vacuum SwitchBlack = Common, Red = N/O, White = N/C

Request a Calibration Quote

We’re here to make calibration easy. Request a quote today and let our team give you the care, precision, and service you can trust.
Learn more

Browse By Brands

Uncover the brands that set the standard for quality and dependability in every industry we serve.
Learn more

Sign up to receive email updates on new product launches, promotions, news, blogs, Brand's Brands videos and so much more!