Skip to main content
Industrial sensor & instrument suppliersales@wksensor.com

HPT-21TH

Wireless Temperature and Humidity Transmitter

Wall-mounted air temperature and humidity transmitter with an integrated sensing cover, configurable reporting intervals and 4G, NB-IoT, LoRa or LoRaWAN versions.

Air temperature and relative humidityIntegrated sensor and wall-mount radio unit4G / NB-IoT / LoRa / LoRaWAN versionsAdjustable collection and upload intervals
Reference temperature span
−40–100 °C; reference configuration
Other temperature-span options
−20–60 °C / −20–85 °C; alternative configurations
Humidity span
0–100% RH
View specifications

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

Product overview

The HPT-21TH measures air temperature and relative humidity. Its perforated sensing cover connects directly to the radio enclosure, with wall or magnetic mounting available.

HPT-21TH grey wall-mount enclosure with an antenna, opaque front panel, side mounting slots and a lower perforated air-sensing cover

Integrated air-monitoring assembly

The antenna and perforated sensing cover connect directly to the wall-mount housing.

Collection and reporting
Adjustable collection and upload intervals.
Remote configuration
Platform commands configure supported parameters.
Optional alarms
Abnormal-condition and high/low alarm reporting.
Magnetic operation
Magnet-triggered device on/off and data upload.

Configuration and selection

Temperature span
−40–100 °C reference configuration; −20–60 °C and −20–85 °C alternatives.
Wireless version
4G, NB-IoT, LoRa or LoRaWAN.
Power configuration
3.6 V DC battery version or 24 V DC configuration.
Mounting
Wall mounting or magnetic mounting.

Technical reference

Specifications and options

Technical specifications for HPT-21TH Wireless Temperature and Humidity Transmitter
ParameterSpecification or option
ModelHPT-21TH
Measurement mediumAir
Reference temperature span−40–100 °C; reference configuration
Other temperature-span options−20–60 °C / −20–85 °C; alternative configurations
Humidity span0–100% RH
Reference humidity accuracy3% RH at 5–90% RH; reference configuration
Radio versions4G / NB-IoT / LoRa / LoRaWAN
Battery-version supply3.6 V DC
External-power option24 V DC; selected configuration
Battery referenceTwo ER34615 cells, 19,000 mAh each
Sleep current<30 µA; battery reference configuration
Enclosure protectionIP67; reference configuration
Protocol optionLwM2M; configuration dependent
MountingWall mounting / magnetic mounting
Housing materialABS
BrandWKSENSOR
Product referenceHH-970541356868

Application scenarios

Temperature and humidity monitoring applications include equipment rooms, cold rooms, workshops, hospitals, warehouses and greenhouses.

Warehouse racks with plain cartons and wooden crates beside a central aisle

Warehouses and logistics

Storage racks and warehouse aisles.

Crop rows and walkways inside a greenhouse

Greenhouses

Crop rows and greenhouse walkways.

Also used in buildings, water utilities and fire-protection monitoring.

Compare instruments

Browse Temperature

Contact us

Talk to WKSENSOR about your next order.

Send us the product model or application, quantity and delivery destination. We can help with selection, pricing and supply details.