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DPT30 Differential Pressure Transmitter
Differential Pressure Transmitters (DPT Series)

DPT30 Differential Pressure Transmitter

Model: DPT30

The DPT30 extends the DPT20 platform with ranges up to 0–700 mm WC (bi-directional) and additional output options — 4–20 mA, 0–10 V, RS485 Modbus RTU and relay — for HVAC, clean room and industrial use.

  • Ranges from 0–10 to 0–700 mm WC, bi-directional
  • Alarm with inbuilt buzzer
  • 4–20 mA, 0–10 V, RS485 Modbus RTU and relay options
  • Configuration via keys
  • Panel mounting
ParameterValue
Measuring ranges (order code)0 - 10 / 0 - 25 / 0 - 50 / 0 - 100 / 0 - 150 / 0 - 200 / 0 - 250 / 0 - 500 / 0 - 700 mm WC (all ranges bi-directional)
Output options (order code)None, alarm, 0 - 10 V, 4 - 20 mA, relay, RS485
Accuracy (from applied pressure)Ranges ≤ 0 - 10 mm WC: ±1.0 % of FS · ranges ≥ 0 - 25 mm WC: ±0.5 % of FS
Measuring unitsPa & mmWC
Response time500 ms
Over pressureRanges ≤ 50 mm WC: 9 PSI · 100 to 1000 mm WC: 19 PSI
Media compatibilityAir, non-combustible, non-corrosive gases
AlarmBuzzer
SwitchDigital push button
CommunicationRS485 Modbus RTU
Supply voltage12 - 24 VDC
Signal connection3 wire
Load resistance47 to 470 Ω @ 24 VDC
Electrical connectionsScrew terminals
Process connectionPush-on connection for 3/16" ID tubing
MountingPanel mounting
EnclosureABS

HVAC systems – airflow and filter monitoring

Clean rooms – contamination prevention

Industrial processes – filter and pump monitoring

Building automation – smart ventilation systems

Scope of supply

  • Transmitter
  • Calibration certificate
  • Manual
Live application demo

Cleanroom pressure cascade

Interact with the simulation – change the conditions and see how the DPT30 responds.

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