LHT52 – Indoor Battery-Powered Temperature & Humidity Sensor – Dragino
General Description
Dragino 's LHT52 is a LoRaWAN sensor designed for indoor temperature and humidity measurement. It features integrated T&H sensors and offers USB Type-C connectivity for optional external probes.
Operating on 2 AAA LR03 batteries , replaceable by the user, it offers a battery life of several years. Compatible with the LoRaWAN v1.0.3 Class A protocol, it allows long-range transmission, measurement logging (datalog) and alarm emission in the event of exceeding configured thresholds.
Targeted Applications
- Home automation and building automation
- Cold chain management and logistics
- Indoor environmental monitoring
- Connected agriculture in protected environments
- Industry 4.0 and smart metering
Highlights
-
Integrated high-precision T&H sensors
-
External probe connection via USB-C
-
Long battery life on 2 AAA batteries
-
Datalog function and temperature alarms
-
Easy wall installation
-
IP52 : suitable for indoor environments
Technical Specifications
Characteristic |
Value |
Temperature (internal)
|
Range: -20 to +50°C Resolution: 0.01°C Accuracy: ±0.3°C Drift: < 0.02°C/year |
Humidity (internal)
|
Range: 0 to 99.0%RH (non-condensing) Resolution: 0.1%RH Accuracy: ±3%RH Drift: < 0.25%RH/year |
External probe input
|
USB Type-C port (compatible with Dragino temperature probes) |
LoRaWAN Frequencies
|
CN470, EU433, KR920, US915, EU868, AS923, AU915 |
Protocol
|
LoRaWAN v1.0.3 Class A |
Food
|
2 x replaceable AAA LR03 batteries |
Protection index
|
IP52 (indoor use) |
Interfaces and Connectors
- LoRaWAN radio interface
- USB-C port for external sensor
- Firmware programming port
- Tricolor status LED
Pack Contents
- 1 x LHT52 Sensor
- 2 x AAA batteries (not included depending on version)
- 1 x Integrated wall bracket