HPT-20P
Wireless Pressure Transmitter
The HPT-20P combines diffused-silicon pressure sensing with battery power and a selected 4G, NB-IoT, LoRa or LoRaWAN radio. Integral and cable-connected separate-probe configurations are available.
- Pressure spans
- Selected spans up to 250 MPa
- Probe arrangement
- Integral / cable-connected separate pressure probe
- Accuracy options
- 0.1% FS / 0.25% FS / 0.5% FS; selected configuration
Supplied by WKSENSOR. Ask us about pricing, availability and delivery.
Product overview
Integral pressure connection
Painted metal housing, a side-mounted antenna and a threaded pressure connection.
Separate pressure probe
Threaded metal pressure probe connected by cable to the wireless electronics head.
Enclosure construction
Enclosure assembly
1. Painted metal housing
2. Antenna
3. Mainboard
4. Battery holder
Power configuration: one ER34615 cell, 19,000 mAh.
5. Metal cover
6. Pressure connection
Radio and pressure options
- Antenna orientation
- Rotatable assembly for antenna orientation.
- Sampling and reporting
- Adjustable collection and upload intervals, with platform parameter configuration.
- Alarm reporting
- Optional abnormal-event alarm reporting.
- Radio version
- 4G, NB-IoT, LoRa or LoRaWAN.
- Pressure reference
- Gauge or negative-gauge pressure.
- Medium-temperature option
- Higher-temperature configurations available.
- Process thread
- G1/4, G1/2, M20×1.5 or M12×1.5.
- Probe arrangement
- Integral pressure connection or cable-connected separate pressure probe.
Technical reference
Specifications and options
| Parameter | Specification or option |
|---|---|
| Model | HPT-20P |
| Sensing principle | Diffused silicon |
| Measurement medium | Liquids or gases compatible with the selected contact material |
| Pressure reference | Gauge / negative-gauge configurations |
| Pressure spans | Selected spans up to 250 MPa |
| Accuracy options | 0.1% FS / 0.25% FS / 0.5% FS; selected configuration |
| Ambient temperature | −20–60 °C |
| Medium temperature | −20–60 °C; illustrated detail reference |
| Supply voltage | 3.6 V DC |
| Battery configuration | One ER34615 cell, 19,000 mAh |
| Sleep current | <30 µA |
| Enclosure protection | IP67; shown configuration |
| Radio options | 4G / NB-IoT / LoRa / LoRaWAN |
| Protocol option | LwM2M; configuration dependent |
| Process connection | G1/4 / G1/2 / M20×1.5 / M12×1.5; selected thread |
| Probe arrangement | Integral / cable-connected separate pressure probe |
| Brand | WKSENSOR |
| Product reference | HH-713292480769 |
Application scenarios
Pressure monitoring in gas-distribution lines, water-distribution networks and fire-hydrant systems.
Buildings
Glass office buildings and facility infrastructure.
Power
Substation equipment and electricity infrastructure.
Water
Water-treatment basins and plant infrastructure.
Oil and petrochemicals
Oilfield pumping equipment.
Fire protection
Fire pumps and water-supply pipework.
Industrial automation.



