
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
| Parameter | Value |
|---|---|
| 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 units | Pa & mmWC |
| Response time | 500 ms |
| Over pressure | Ranges ≤ 50 mm WC: 9 PSI · 100 to 1000 mm WC: 19 PSI |
| Media compatibility | Air, non-combustible, non-corrosive gases |
| Alarm | Buzzer |
| Switch | Digital push button |
| Communication | RS485 Modbus RTU |
| Supply voltage | 12 - 24 VDC |
| Signal connection | 3 wire |
| Load resistance | 47 to 470 Ω @ 24 VDC |
| Electrical connections | Screw terminals |
| Process connection | Push-on connection for 3/16" ID tubing |
| Mounting | Panel mounting |
| Enclosure | ABS |
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
Cleanroom pressure cascade
Interact with the simulation – change the conditions and see how the DPT30 responds.
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