The temperature sensor used in LSN50v2-D20 is DS18B20, which can measure -55°C ~ 125°C with accuracy ±0.5°C (max ±2.0 °C). The sensor cable is made by Silica Gel, and the connection between the metal probe and cable is double compressed for waterproof, moisture-proof, and anti-rust for long-term usage.

The LSN50v2-D20 supports a temperature alarm feature, the user can set a temperature alarm for instant notice.

It is powered by an 8500mAh Li-SOCI2 battery, It is designed for long-term use up to 10 years.

Each LSN50v2-D20 is pre-load with a set of unique keys for LoRaWAN registration, register these keys to the local LoRaWAN server and it will auto-connect after power on.

Features

• LoRaWAN v1.0.3 Class A
• Ultra-low power consumption
• External DS18B20 Probe (default 2meters)
• Measure range -55°C ~ 125°C
• Temperature alarm
• AT Commands to change parameters
• Uplink on periodically or Interrupt
• Downlink to change configure

Applications

• Wireless Alarm and Security Systems
• Home and Building Automation
• Automated Meter Reading
• Industrial Monitoring and Control
• Long-range Irrigation Systems