Vacuum Switches & Transducers

Gems Sensors PS82 miniature vacuum switch

• Small OEM style vacuum switch (built on PS41 structure)
• Adjustable (off-line) range:
  • 5" » 28"Hg (169 » 948mbar)
• Choice of pressure port (BSPP & NPT), wetted materials, electrical termination, diaphragm & other customisations
• Outputs: SPST (N.O or N.C) or SPDT
• Stocked models available (G¼" external thread, DIN 43650A plug)
• Factory setting available with test reports

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Gems Sensors PS81 ultra long-life vacuum switches

• Small OEM style vacuum switch
• Adjustable (off-line) range:
  • 1.5" » 15"Hg (51 » 508mbar)
• Choice of pressure port (BSPP, SAE or NPT), wetted materials, electrical termination, diaphragm & other customisations
• Outputs: SPST (N.O or N.C) or SPDT
• Factory setting available with test reports

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ITT Neo-Dyn 142P vacuum & compound pressure switch with internal adjustment

• Internal adjustment, in-line
• Vacuumranging from:
  • -1" » -10"H₂O to
  • -2" » -40"H₂O
• Compound range from -40" » 40"H₂O
• Belleville spring (Nega-Rate) for:
  • Stable set points
  • Vibration resistance
  • High over-pressure capacity
  • High cycle life
• IECEx Ex d versions available
• Output: SPDT, DPDT or Double-break microswitches
• Gold contact models available for low voltage, low current switching applications
• SIL rated models available (FEMA report provided)
• Choice of wetted materials & diaphragms
• Weatherproof (IP65)

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ANFIELD Sensors TG General Purpose Pressure / Vacuum Transducer

**refer datasheet**

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Gems Sensors 3500 low pressure, compact OEM pressure transducer

• Great for OEMs that require high levels of performance, reliability & stability from a very compact pressure transducer
  • The MMS sensor technology of the 3500 series very quickly reaches full accuracy at power-up making the device a great choice for remote, battery powered applications where power draw & oepration time must be minimised
• Available as:
  • gauge, absolute or compund (vacuum » positive pressure) gauge pressure models
  • ratiometric, voltage (V) or current (mA) output
  • range of electrical connections including DIN plug, Deutsch, Packard MetriPack & M12
• Pressure ranges: vacuum » 40bar (~600PSI)
• Proof pressure: up to 2x full scale
• Design life: >100 million cycles
• Performance:
  • Long term drift: 0.2% FS/year
  • Accuracy: 0.25% FS typical
  • Thermal error: ±1% / 80°C
• Operating temperature: -40 » 125°C 
• Response time: TBA
• Wetted parts: 316L stainless steel
• Process connection: NPT, SAE, UNF, M12, & BSP (G type)

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Gems Sensors 2200 general purpose pressure transducer

• High stability, Psibar chemical vapour deposition (CVD, strain gauge) technology
• Available as:
  • gauge, absolute, vacuum & compound pressure models
  • millivolt (mV), voltage (V) or current (mA) output
  • range of electrical connections including DIN plug, molded cable & submersible
• Pressure ranges: vacuum » 6,000PSI (400 bar)
• Proof pressure: 2x full scale (1.5x FS for >5,000PSI
• Design life: >100 million FS cycles
• Performance:
  • Long term drift: 0.2% FS/year (non-cumulative)
  • Accuracy: 0.25% FS typical (optional 0.15% FS)
  • Thermal error: 1.5% FS typical (optional 1% FS)
• Operating temperature: -40 » 125°C (depending on model)
• Response time: 0.5msecs
• Wetted parts: 17-4 PH stainless steel
• Process connection: NPT, SAE, submersible & BSP (G or R type)
• Wide range of 4-20mA, G¼" (BSPP), DIN plug units in stock

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See also pressure transducers

• Link

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