HPT-21P
Split Wireless Pressure Transmitter
The HPT-21P connects a separate pressure element to a battery-powered wall-mount wireless enclosure. Collection and reporting intervals are configurable.
- Accuracy options
- 0.1% / 0.25% / 0.5% FS; selected class
- Radio options
- NB-IoT / LoRa / LoRaWAN / 4G; selected version
- Communication protocol
- LwM2M; configuration-dependent
Supplied by WKSENSOR. Ask us about pricing, availability and delivery.
Product overview
Split pressure monitoring assembly
A threaded pressure element and separate antenna-equipped wireless enclosure connected by cable.
Sensor and enclosure
Wall-mount enclosure reference
A gasket seals the enclosure joint. The selected battery configuration uses two ER34615 cells, rated 19,000 mAh each, with a 3.6 V DC supply and sleep current below 30 µA.
Threaded pressure element
The illustrated configuration has a −20–60 °C medium-temperature range, with high-temperature customization available. Gauge and negative-gauge versions are selected separately from the enclosure's wireless configuration.
Wireless operation
- Collection and reporting
- Adjustable collection and upload intervals.
- Remote configuration
- Platform commands configure instrument parameters.
- Optional alarm reporting
- Optional abnormal-value alarm reporting.
Pressure and radio options
- Radio version
- NB-IoT, LoRa, LoRaWAN or 4G.
- Pressure reference
- Gauge or negative-gauge configuration.
- Accuracy class
- 0.1%, 0.25% or 0.5% FS.
Technical reference
Specifications and options
| Parameter | Specification or option |
|---|---|
| Model | HPT-21P |
| Measuring medium | Gases and non-corrosive general liquids compatible with contact materials |
| Pressure reference options | Gauge / negative-gauge versions |
| Accuracy options | 0.1% / 0.25% / 0.5% FS; selected class |
| Medium-temperature reference | −20–60 °C; illustrated detail reference |
| Supply voltage | 3.6 V DC |
| Battery configuration | Two ER34615 cells, 19,000 mAh each |
| Sleep current | <30 µA in sleep |
| Radio options | NB-IoT / LoRa / LoRaWAN / 4G; selected version |
| Communication protocol | LwM2M; configuration-dependent |
| Brand | WKSENSOR |
| Product reference | HH-967313789292 |
Application scenarios
Pressure monitoring in water-distribution pipework and fire-water systems.
Buildings
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.
Machinery and equipment monitoring.
