User Manual

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LHT65 Temperature & Humidity sensor 5 / 40
1.2 Features
 Wall mountable
 LoRaWAN Class A protocol
 Frequency Bands: CN470/EU433/KR920/US915/EU868/AS923/AU915
 AT Commands to change parameters
 Remote configure parameters via LoRaWAN Downlink
 Firmware upgradable via program port
 Built-in 2400mAh battery for more than 10 year use.
 Built-in Temperature & Humidity sensor
 Optional External Sensors
 Tri-color LED to indicate status
 3200 set sensor record with time stamp
1.3 Specifications
Built-in Temperature Sensor:
 Resolution: 0.01 °C
 Accuracy Tolerance : Typ  °C
 Long Term Drift: < 0.02 °C /yr
 Operating Range: -40 ~ 125 °C
Built-in Humidity Sensor:
 Resolution: 0.04 %RH
 Accuracy Tolerance : Typ 
 Long Term Drift: < 0.02 °C /yr
 Operating Range: 0 ~ 100 °C
External Temperature Sensor – E1:
 Resolution: 0.0625 °C
 ±0.5°C accuracy from -10°C to +85°C
 ±2°C accuracy from -55°C to +125°C
 Operating Range: -55 °C ~ 125 °C
1.4 Power Consumption
LHT65 (without external sensor): Idle: 3uA. Transmit: max 130mA.
LHT65 + E1 Sensor: Idle: 4uA, Transmit: max 130mA.