HPT-22L
Wireless Submersible Level Transmitter
The HPT-22L combines a cable-connected submersible liquid-level probe with a battery-powered wireless display head for chemical tanks, oil tanks and water tanks.
Submersible liquid-level measurementLocal indicationFour radio versionsDual-cell battery configuration
- Level span
- Selected spans up to 300 m
- Cell capacity
- 19,000 mAh per cell
- Accuracy
- ±0.5% FS
Supplied by WKSENSOR. Ask us about pricing, availability and delivery.
Product overview
Submersible probe and wireless head
A cable-connected probe measures liquid level while the wireless head provides local indication and remote reporting. Custom cable lengths extend to 300 m.
- Local indication
- Liquid-level indication at the display head.
- Remote viewing
- Cloud-platform data viewing from a phone or computer.
- Sampling and reporting
- Adjustable sampling and upload intervals. The platform can send commands to configure supported parameters.
Probe-end alternatives
Regular end
Small end openings.
Filter end
For media with impurities.
Alternative end
Narrow open extension.
Configuration and selection
- Level span
- 0–50 m ordered-span option; family configurations extend up to 300 m.
- Radio
- 4G, NB-IoT, LoRa or LoRaWAN version.
- Cable
- Custom cable length up to 300 m.
- Battery configuration
- Two ER34615 cells, each with 19,000 mAh capacity.
- Reporting settings
- Adjustable sampling and upload intervals; supported parameters can be configured by platform commands.
Technical reference
Specifications and options
| Parameter | Specification or option |
|---|---|
| Model | HPT-22L |
| Level span | Selected spans up to 300 m |
| Accuracy | ±0.5% FS |
| Supply voltage | 3.6 V DC |
| Radio options | 4G / NB-IoT / LoRa / LoRaWAN |
| Measuring medium | Liquids compatible with wetted materials |
| Medium temperature | −20–65°C |
| Battery configuration | Two ER34615 cells |
| Cell capacity | 19,000 mAh per cell |
| Sleep current | <30 µA in sleep mode |
| Enclosure protection | IP66 configuration |
| Communication protocol | LwM2M in supported configurations |
| Assembly materials | Cast aluminium / stainless steel |
| Cable length | Custom length up to 300 m |
| Local indication | Liquid-level display |
| Brand | WKSENSOR |
| Product reference | HH-975561434614 |
Application scenarios
Chemical tanks, oil tanks and water tanks.
Chemicals
Process towers and storage vessels.
Power
Substation structures and equipment.
Gas
Outdoor vessels and yellow pipework.
Water
Water-treatment basins and walkways.
Oil and petrochemicals
Pumping machinery in an oil field.
Fire protection
Pump-room equipment and red pipework.
