HPT-23L
Wireless Submersible Level Transmitter
The HPT-23L combines a hydrostatic liquid-level probe, local display and battery-powered wireless reporting. Cable length and radio configuration are selectable.
- Level span options
- Selected spans within 0–300 m
- Accuracy
- ±0.5% FS
- Radio options
- NB-IoT / LoRa / LoRaWAN / 4G; selected version
Supplied by WKSENSOR. Ask us about pricing, availability and delivery.
Product overview
Display head and submersible probe
The immersion probe connects to a battery-powered local display head. Custom cable lengths are available up to 300 m, independently of the selected measuring span.
- Supply
- 3.6 V DC
- Battery
- One ER34615 cell, 19,000 mAh
Display and local settings
Local display with voltage and signal indication. Three keys provide local adjustment of sampling and upload intervals.
- Display-head material
- ABS
- Alarm reporting
- Configurable high and low level points with data upload
Probe-end configurations
Regular end
Small end openings.
Filter end
For media with impurities.
Alternative end
Narrow open extension.
Configuration and selection
- Level span
- Selected spans within 0–300 m.
- Radio version
- NB-IoT, LoRa, LoRaWAN or 4G.
- Cable length
- Custom lengths up to 300 m, separate from the selected measuring span.
- Protocol configuration
- LwM2M according to the selected communication configuration.
Technical reference
Specifications and options
| Parameter | Specification or option |
|---|---|
| Model | HPT-23L |
| Measurement | Hydrostatic liquid level |
| Level span options | Selected spans within 0–300 m |
| Accuracy | ±0.5% FS |
| Measuring medium | Liquids compatible with the contact materials |
| Supply voltage | 3.6 V DC |
| Battery configuration | One ER34615 cell, 19,000 mAh |
| Sleep current | <30 µA in sleep |
| Ingress protection | IP65; selected configuration |
| Radio options | NB-IoT / LoRa / LoRaWAN / 4G; selected version |
| Communication protocol | LwM2M; configuration-dependent |
| Display housing material | ABS |
| Cable length | Configurable up to 300 m |
| Brand | WKSENSOR |
| Product reference | HH-754069738983 |
Application scenarios
Liquid-level indication and reporting for buildings, power, factories, water, oil and petrochemicals, and fire protection.
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.



