HPT-22P
Wireless Pressure Transmitter
Battery-powered diffused-silicon pressure transmitter with local indication of pressure, supply voltage and wireless signal strength.
- Detail-reference pressure-span options
- Separately selected vacuum or positive-pressure ranges; positive-pressure references up to 250 MPa
- Accuracy options
- 0.1% / 0.25% / 0.5% FS versions
- Radio options
- 4G / NB-IoT / LoRa / LoRaWAN versions
Supplied by WKSENSOR. Ask us about pricing, availability and delivery.
Product overview
Wireless pressure head
Local indication shows measured pressure, supply voltage and wireless signal strength. Sampling and upload intervals are adjustable; supported versions accept platform parameter commands.
Rear battery compartment
The pictured blue-wrapped pack sits within the threaded rear-cover rim.
- Supply
- 3.6 V DC
- Cells
- Two ER34615, 19,000 mAh each
- Sleep current
- <30 µA; selected configuration
Radio and reporting
Wireless versions
- 4G
- NB-IoT
- LoRa
- LoRaWAN
Alternative radio configurations.
- Pressure reference
- Gauge-pressure or vacuum-pressure version.
- Accuracy class
- 0.1%, 0.25% or 0.5% FS version.
- Protocol
- LwM2M option, dependent on configuration.
- Accessory
- Sensor bracket available separately.
Technical reference
Specifications and options
| Parameter | Specification or option |
|---|---|
| Model | HPT-22P |
| Function | Wireless pressure transmitter |
| Sensing principle | Diffused silicon |
| Display information | Measured pressure / supply voltage / signal strength |
| Supply voltage | 3.6 V DC |
| Radio options | 4G / NB-IoT / LoRa / LoRaWAN versions |
| Pressure reference options | Gauge-pressure / vacuum-pressure versions |
| Detail-reference pressure-span options | Separately selected vacuum or positive-pressure ranges; positive-pressure references up to 250 MPa |
| Accuracy options | 0.1% / 0.25% / 0.5% FS versions |
| Battery configuration | Two ER34615 cells, 19,000 mAh each; selected configuration |
| Sleep current | <30 µA; selected configuration |
| Enclosure protection | IP66; selected enclosure configuration |
| Protocol option | LwM2M; configuration dependent |
| Medium temperature | −20–65 °C; selected configuration |
| Brand | WKSENSOR |
| Product reference | HH-755523664199 |
Application scenarios
Pressure monitoring in natural-gas and LPG pipework, heating systems and storage tanks.
Chemicals
Chemical processing columns and pipework.
Power
Electrical substation equipment.
Gas
Gas pipework, valves and vessels.
Water
Water-treatment basins.
Oil and petrochemicals
Oilfield pumpjacks.
Fire protection
Fire-pump room and red pipework.



