The Si-DPMS mechanical differential pressure switches offer a reliable solution for a simple and yet effective pressure control of aeraulic elements, such as ducts, filters or fans.

It also suits for over heating protection and frost protection in industrial cooling systems.

Technical Data sheet User manual
Setting ranges in Pa: 20-200, 50-500, 200-1000, 500-2500, 1000-5000
Cost-effective solution to monitor air treatment in HVACR installations
Field selectable threshold for quick configuration
Orientable cable gland
Convenient offer, with various differential pressure ranges
Easy to install. The mounting accessories are delivered with the instrument

Measure details

  • Units
    Pa
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Technical details

  • Parameters
    Differential pressure
  • IP Protection
    IP 54
  • Power supply
    Resistance: initial: < 50 mΩ / Current: 1.5 A (0.4 A) / 250 V
  • Relay
    SPDT
  • Ethernet communication
    No
  • ModBus network
    No
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Instrument Dimensions

  • Length
    101.6 mm
  • Width
    57.4 mm
  • Height
    85.1 mm
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Operating temperature

  • Min
    -40.00 °C
  • Max
    85.00 °C
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1 1.5 m clear PVC tube
2 Pressure connectors