Differential Pressure Transmitter – HK Instruments DPT-Dual Series


  • Multiple measurement units, field selectable via jumper, including: Pa, kPa, mbar, inchWC, mmWC.
  • 8 field selectable measurement ranges, unidirectional or bi-directional, selectable via jumper (see Model Summary).
  • Proportional output options including: voltage (2x 0…5/10 V),
    selectable via jumper.

Field adjustable, multi-range differential pressure transmitter with two pressure sensors for air

DPT-Dual series differential pressure transmitters are engineered for building automation in the HVAC/R industry. DPT-Dual is a technologically advanced transmitter measuring static and differential pressure from two different points, with field selectable units, range and output, all in a single device.

DPT-Dual series device options offer:

  • Backlit display


DPT-Dual series devices are commonly used in HVAC/R systems for:

  • Fan, blower and filter monitoring
  • Pressure and flow monitoring
  • Valve and damper control


Accuracy (from applied pressure): Pressure < 125 Pa = 1 % + ±2 Pa
(model 2500) Pressure > 125 Pa = 1 % + ±1 Pa
Accuracy (from applied pressure): Pressure < 125 Pa = 1.5 % + ±2 Pa
(model 7000) Pressure > 125 Pa = 1.5 % + ±1 Pa
Zero point calibration: by pushbutton
Measuring units: Pa, kPa, mbar, inchWC, mmWC
Supply voltage: 24 VDC ±10% / 24 VAC ±10%
Power consumption: < 1.0 W
Output signals (3-wire): 2 x 0…10 VDC or 2 x 0…5 VDC (selectable by jumper)
Operating temperature: -20…+50 °C
Response time: 0.8 / 4 s
Protection standard: IP54


HK Instruments DPT-Dual Series Differential Pressure Transmitter-DpstarGroup


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