Two Wire – HK Instruments DPT-2W


  • 8 field selectable measurement ranges, unidirectional or bidirectional, selectable via jumper (see Model Summary)
  • Pressure measurement in Pa
  • 4–20 mA 2-wire current loop configuration

Multi-range differential pressure transmitters with 2-wire configuration

DPT-2W series differential pressure transmitters are engineered for building automation in the HVAC/R industry. The DPT-2W measure static and differential pressure and they have a field selectable range.

DPT-2W series devices include:

  • 8 field selectable measurement ranges, unidirectional or bi-directional, selectable via jumper, (see Product Information)
  • Pressure measurement in Pa
  • 4-20 mA 2-wire current loop configuration


DPT-2W series devices are commonly used in HVAC/R systems for:

  • fan, blower and filter monitoring
  • pressure and flow monitoring
  • valve and damper control
  • pressure monitoring in cleanrooms


Accuracy (from FS): ±1.5 %
Long term stability, typical 1 year: ≤ ± 8 Pa; model 2500
Measuring unit: Pa
Zero point calibration: by pushbutton
Supply voltage: 10…35 VDC
Output signal: 4…20 mA
Operating temperature: -10…+50 °C
Response time: 0.8 / 4 s
Protection standard: IP54


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