Differential Pressure Transmitters · DPT Series
DPT20 Differential Pressure Transmitter
Model DPT20
Panel-mount differential pressure transmitter for air and non-corrosive gases, ranges up to 0–250 mm WC, with buzzer or 4–20 mA output.
- Range
- Up to 0–250 mm WC
- Accuracy
- ±0.5 % FS (≥ 0–25 mm WC)
- Output
- Buzzer or 4–20 mA
- Mounting
- Panel mounting
Overview
The DPT20 is a panel-mount differential pressure transmitter for HVAC systems, clean rooms and general industrial applications. It measures air and non-combustible, non-corrosive gases in ranges from 0–10 to 0–250 mm WC (bi-directional), and is configured with its front keys.
Key features
- Easy panel mounting
- Ranges from 0–10 to 0–250 mm WC, bi-directional
- Configuration via keys
- Version with inbuilt buzzer or with 4–20 mA output
- Push-on connections for 3/16" tubing
Technical specifications
Measurement ranges & outputs
| Measuring ranges (order code) | 0 - 10 / 0 - 25 / 0 - 50 / 0 - 100 / 0 - 150 / 0 - 200 / 0 - 250 mm WC (all ranges bi-directional) |
|---|---|
| Alarm / output | Inbuilt buzzer / 4-20 mA; 0-10 V (optional) |
| 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 |
General
| Switch | Digital push button |
|---|
Power supply & connectivity
| Supply voltage | 12 - 24 VDC |
|---|---|
| Signal connection | 3 wire |
| Load resistance | 47 to 470 Ω @ 24 VDC |
| Electrical connections | Screw terminals |
Installation & environment
| Process connection | Push-on connection for 3/16" ID tubing |
|---|---|
| Mounting | Panel mounting |
| Enclosure | ABS |
Specifications are subject to change. Please check the current datasheet or ask our team before ordering.
Applications & industries
Scope of supply
- Transmitter
- Calibration certificate
- Manual
Product enquiry
Request a quote for DPT20 Differential Pressure Transmitter
Tell us about your application — what you need to measure, the range, number of points and where the instrument will be installed. Our team will reply with a recommendation and quotation.
- Technical advice on model and options
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- Datasheets and documentation on request
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- Accuracy
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- Mounting
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- Outputs
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