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LHT65N-PIR

Temperature/Humidity/PIR Motion Sensor

The Dragino LHT65N-PIR Temperature, Humidity & PIR sensor is a Long Range LoRaWAN Sensor.It includes a built-in Temperature & Humidity sensor and has an external PIR Probe. LHT65N-PIR can detect environment Temperature & Humdity, it also detects People Activity via PIR probe and them send these info to LoRaWAN IoT Server. The LHT65N-PIR allows users to send data and reach extremely long ranges. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. It targets professional wireless sensor network applications such as irrigation systems, smart metering, smart cities, building automation, and so on. LHT65N-PIR has a built-in 2400mAh non-chargeable battery which can be used for more than 5 years*.

Features

  • Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915
  • LoRaWAN v1.0.3 Class A protocol
  • AT Commands to change parameters
  • Remote configure parameters via LoRaWAN Downlink
  • Support wireless OTA update firmware
  • Firmware upgradeable via program port
  • Built-in 2400mAh battery for up to 5 years of use.
  • Built-in Temperature & Humidity sensor

Multi-Band Support

Thermal Anemometer

Range: 0~5/10/30m/s

1000mAh Rechargeable Battery

External DC power adapter

wireless OTA update firmware

Application guide

Choose the airflow range by deployment scenario

Cold Storage & Display Cases
0–5 m/s range

Cold Storage & Display Cases

For supermarket chillers, refrigerated display cases, cold storage deadzone detection, VAV terminals, and clean rooms.

Cold chainClean roomLow airflow
HVAC Ducts & AHU Verification
0–10 m/s range

HVAC Ducts & AHU Verification

For HVAC supply or extract ducts, filter pressure-drop monitoring, and air handling unit performance checks.

HVAC ductsAHUFilter monitoring
Industrial Ventilation & Fan Outlets
0–30 m/s range

Industrial Ventilation & Fan Outlets

For main duct airflow, fan outlets, compressed air systems, and industrial ventilation monitoring.

Fan outletsMain ductsIndustrial

How it works

Remote airflow monitoring via LoRaWAN

Deploy AirFlow-LN at critical airflow points, transmit measurements through a LoRaWAN gateway, and use platform data to detect weak airflow, filter problems, or abnormal ventilation conditions earlier.

  1. AirFlow-LN measures airflow in ducts, refrigeration, or ventilation points.
  2. LoRaWAN gateway receives data from distributed sensors across the site.
  3. Cloud platform visualizes trends and helps trigger maintenance decisions.
Remote monitoring deployment scene
LHT65N-PIR LoRaWAN architecture diagram

Product inquiry

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