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HPT-28L

NB-IoT Manhole Inclination Sensor

The HPT-28L monitors abnormal opening, tilt, movement and water-level conditions in municipal manholes, with NB-IoT communication.

Municipal manhole condition monitoring0–60° inclination rangeNB-IoT communicationIP68 protection
Inclination range
0–60°
Accuracy
±0.1% FS
Communication
NB-IoT
View specifications

Supplied by WKSENSOR. Ask us about pricing, availability and delivery.

Product overview

Round manhole-monitoring terminal with a translucent cover, visible circuit board and metal mounting bracket

Bracket-mounted monitoring terminal

Round metal backing plate and translucent cover above a metal bracket with a threaded fastener.

Inclination range
0–60°
Resolution
0.1°
Communication
NB-IoT
Protection
IP68

Technical reference

Specifications and options

Technical specifications for HPT-28L NB-IoT Manhole Inclination Sensor
ParameterSpecification or option
ModelHPT-28L
Instrument functionWireless manhole inclination and condition sensor
Inclination range0–60°
Accuracy±0.1% FS
Resolution0.1°
Operating temperature−20–65°C
CommunicationNB-IoT
Ingress protectionIP68
BrandWKSENSOR
Product referenceHH-836215402290

Application scenarios

Closed circular utility cover set flush into a paved city sidewalk

Municipal manholes

Closed cast-iron cover in a paved pedestrian sidewalk.

Cover condition monitoring

Abnormal opening, tilt and movement of municipal manhole covers.

Manhole water-level monitoring

Water-level conditions inside municipal manholes.

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