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Specifications
Mfr. Part #:
101990984
Key Attributes
Model Number:
101990984
Product Description
Product Overview
The Dragino LHT52 is a Long Range LoRaWAN Temperature & Humidity sensor designed for professional wireless sensor network applications. It features a built-in temperature and humidity sensor, with a USB Type-C connector for external sensors. The LHT52 sends environmental data via the LoRaWAN protocol and supports a datalog feature to prevent data loss, along with a temperature alarm function. It is powered by 2 x AAA batteries, offering long operational life and easy replacement. Compatible with LoRaWAN v1.0.3, it works seamlessly with standard LoRaWAN gateways.
Product Attributes
- Brand: Dragino
- Origin: China
- Model: LHT52
- Certifications: LoRaWAN v1.0.3 compatible
Technical Specifications
| Feature | Specification |
| Built-in Temperature Sensor Accuracy | ± 0.3°C |
| Built-in Temperature Sensor Range | -20 ~ +50 °C |
| Built-in Temperature Sensor Resolution | 0.01°C |
| Built-in Humidity Sensor Accuracy | ± 3%RH (20 ~ 80%RH) |
| Built-in Humidity Sensor Response Time | < 8s |
| Built-in Humidity Sensor Range | 0 ~ 99.9% RH (no dew) |
| Built-in Humidity Sensor Resolution | 0.1% RH |
| External Temperature Sensor Accuracy | MAX ±0.5°C accuracy from -10 to 85°C MAX ±2°C accuracy from -55 to +125°C |
| External Temperature Sensor Resolution | 0.0625 °C |
| Power | 2 x AAA LR03 1.5v batteries |
| Battery Life | Up to several years |
| LoRaWAN Protocol | Class A, v1.0.3 compatible |
| Datalog Feature | Records sensor value for every uplink, retrievable via downlink |
| Temperature Alarm Feature | Uplinks alarm at short interval when temperature exceeds preset limits |
| Firmware Upgrade | Via program port |
| Configuration | Remote configure via LoRaWAN Downlink, AT Commands |
| Indicators | Tri-color LED |
| Dimensions | 5.8 x 5.8 x 2.0 cm |
| IP Rating | IP52 |
| Working Temperature | -20~ 50°C |
| Optional External Sensors | Order Separately (P#: AS-01), Cable Length 2 meters |
| Frequency Bands | EU433, CN470, EU868, IN865, KR920, AS923, AU915, US915 |
| Package Include | LHT52 |
| Package Not Include | Batteries, External Temperature Sensor |
2504101957_Seeed-101990984_C17683979.pdf
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