HPT-28M
Wireless Manhole Condition Sensor
The HPT-28M detects abnormal opening, tilt and movement of manhole covers. Wireless configurations connect the cover-condition sensor through NB-IoT or other radio versions.
- Ordering interface
- NB-IoT
- Radio configurations
- 4G / NB-IoT / LoRa / LoRaWAN; alternative versions
- Sensor function
- Manhole-cover opening, tilt and displacement detection
Supplied by WKSENSOR. Ask us about pricing, availability and delivery.
Product overview
Cover-condition sensor assembly
The cylindrical body sits on a slotted mounting plate, with an upright antenna and a fine wire ending in a loop.
Three monitored cover conditions
- Abnormal opening
- An unexpectedly opened cover.
- Tilt
- A changed cover angle.
- Movement
- Cover displacement and unusual movement.
Configuration and selection
Wireless ordering versions
The selected ordering interface is NB-IoT. Other radio versions shown for the HPT-28M are 4G, LoRa and LoRaWAN.
Technical reference
Specifications and options
| Parameter | Specification or option |
|---|---|
| Model | HPT-28M |
| Sensor function | Manhole-cover opening, tilt and displacement detection |
| Ordering interface | NB-IoT |
| Radio configurations | 4G / NB-IoT / LoRa / LoRaWAN; alternative versions |
| Ingress protection | IP68 |
| Brand | WKSENSOR |
| Product reference | HH-808000422637 |
Application scenarios
For municipal manhole-cover monitoring. Other application areas include oil, chemicals, power, energy, water and industrial automation.
Oil
Pumpjacks, connecting pipework and raised platforms.
Chemicals
Processing columns, vessels and connecting pipes.
Power
Transformers, insulators and overhead conductors.
Energy
Photovoltaic panels arranged in an open field.
Water
Treatment basins, walkways and service railings.
Municipal manhole monitoring
Detection of abnormal cover opening, tilt and movement in urban manholes.
