Soil temperature sensor

• Measures soil temperature with a thermosensor at the end of the sensor that is buried in the soil
• Measuring accuracy does not depend on soil type
• The depth of control can be in the range from 10 to 120 cm or more (under the order).
• Maintenance free (turn on and forgot)
• Weatherproof, IP67
• Powered by an ER14505 battery (included) rated for 50,000 messages, guaranteeing a minimum of 5 years of operation (one message per hour)
• Can be used all throughout the season, but it is recommended to remove it from the soil during the period of negative temperatures for winter storage.

 
The sensor works in two versions - using the Bluetooth protocol, you can receive data directly to your smartphone, within a radius of up to 50 meters from the sensor. Alternatively, you can use the GoodWAN long-range radio channel to collect data at distances of tens of kilometers.
 
Specification

Temperature accuracy from 0 to 80°C: ±0.5°C
Temperature accuracy in the range -25 to 0°C: ±1°C
Temperature accuracy in the range -40 to -25°C: ±2°C
Temperature value measurement time: 200ms
Temperature measurement and radio transmission time: 1,500 ms
Operating temperature: -40 to +80°C
Ingress Protection Code: IP67
Power system type: autonomous
Supply voltage: 3.6V
Battery type: ER 14 505
Frequency range: 863.0-870.0 MHz
Transmitter output power: 25mW