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Pressure switches from Bestech Australia

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Bestech Australia  has introduced pressure switch model AST1000 from AST, USA.

The high quality all stainless steel pressure switches are designed for the measurement of gases and liquids that are compatible with stainless steel.

The AST1000 pressure switch’s one-piece sensor element is a solid-state design, free of moving parts, internal O-rings, welds and fill fluid, all of which eliminate the chance of process contamination.

These pressure switches are highly repeatable. The switch mechanism includes a pair of isolated relays and is packaged with a high level of EMI/RFI protection (100V/m). The AST1000 pressure switch has a wide operating temperature ranging from -40 to 85°C.

The AST1000 pressure switch is offered with factory-set switch point; hysteresis and heavy duty relay contacts with high electrical isolation.

Units offer switching capability of 1 amp @ 24V DC or 0.5 amps @ 125V AC max. Open or closed circuits are provided, based on customer’s defined switching point. The sensor is available in switch points between 25 PSI and 10,000 PSI and with high purity finishes.

The AST1000 pressure switch is ideal for applications needing consistent repeatability, good long-term stability, trouble free operation, long life and high performance.


  • High strength stainless steel construction
  • No silicone oil, no internal O-rings, no welds
  • Wide operating temperature range
  • Switch points up to 10,000 PSI
  • Good long-term stability
  • Switching capability of 1 Amp @ 24VDC or 0.5 Amps @ 125VAC, max
  • Low static and thermal errors
  • Good price and performance
  • Rugged design survives harsh environments
  • Compatible with a wide range of liquids
  • Suitable for high shock and vibration applications


  • Test stands
  • Hydraulic systems
  • Refrigeration
  • Off road
  • Process control
  • Oil and gas instrumentation
  • Compressors

The AST1000 pressure switches are available in Australia and New Zealand from Bestech Australia.

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