Differential Pressure Transmitters · DPT Series
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.
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.
| Measuring ranges (order code) | 0 - 10 / 0 - 25 / 0 - 50 / 0 - 100 / 0 - 150 / 0 - 200 / 0 - 250 mm WC (all ranges bi-directional) |
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| Ranges in Pa (product page) | 0-25Pa, 0-50Pa ,0-100Pa, 0-250Pa, 0-500Pa, 1000Pa, 0-2000Pa, 0-2500Pa |
| 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 |
| Switch | Digital push button |
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| Supply voltage | 12 - 24 VDC |
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| 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 |
| Panel cut-out | Round (80 mm) |
| Dimensions | Front View: 86 mm, Side View: 35 mm, Back View: 80 mm |
| Enclosure | ABS |
| Protection | IP54 |
| Operating temperature | 10°C to 60°C |
| Storage temperature | 10°C to 70°C |
Specifications are subject to change. Please check the current datasheet or ask our team before ordering.
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DPT Series
Model DPT30
Panel-mount differential pressure transmitter, ranges up to 0–700 mm WC, with alarm, 4–20 mA, 0–10 V, RS485 Modbus RTU and relay options.
Applications: HVAC systems – airflow and filter monitoring · Clean rooms – contamination prevention · Industrial processes – filter and pump monitoring
DPT Series
Model DPT50 WM / DPT100 WM / DPH100 WM
High-precision differential pressure transmitter for building automation, configurable via USB, with 4–20 mA and RS485 Modbus RTU.
Applications: Building automation (HVAC/R) · Air filter monitoring · Fan and air-flow monitoring
RHT DM Series
Model RHT150 DM / RHT300 DM / RHT400 DM
Duct-mount temperature and humidity transmitters with stainless-steel probe in 150, 300 or 400 mm length.
Applications: HVAC systems & BMS integration · Ventilation ducts & air-handling units · Cleanrooms & pharmaceutical environments
RHT Series
Model RHT50 WM
Wall-mount temperature and humidity transmitter with two analogue outputs and RS485 Modbus RTU.
Applications: Agriculture & greenhouses · Storage & warehouses · Museums & buildings
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