High Purity Pressure/Vacuum Switches with All Stainless Steel Wetted Parts

PSW-690 Series

Pressure/Vacuum Switches | PSW-690 Series

Pressure/Vacuum Switches

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3 anos de garantia RoHS
  • 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
  • Available with 1/4 VCR Male or 1/8-27 NPT Male Fittings
  • NEMA 4 Enclosure
  • Available with 1 or 5 A Switch
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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
Cycling: Not to exceed 20 cycles/min, 1 million cycles
Proof Pressure: 150% max pressure
Wetted Parts: 17-7 PH electron beam welded, 303 SS fitting
Enclosure: 303 Stainless Steel body, zinc alloy with chromate finish locking ring and switch housing, valox cap
Dimensions: 51 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
Weight: Approx. 85g (3 oz)
Pressure Port: 1/8-27 MNPT or 1/4 VCR
Electrical: 300 mm (12") pigtail leads, 20 AWG, polyvinyl insulated
Wiring Code:
   Pressure Switch: Black = Common, Red = N/C, White = N/O
   Vacuum Switch: Black = Common, Red = N/O, White = N/C
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