SOIL MOISTURE, TEMPERATURE AND ELECTRICAL CONDUCTIVITY SENSOR FOR LoRaWAN®
APPLICATIONS
Irrigation control
Smart agriculture
Greenhouse and soiless plantations
Parks
Golf courses
SENSORS
VOLUMETRIC WATER CONTENT (VWC)
Range:
Mineral soil 0.00 … 0.70 m³/m³
Soilless media 0.0 … 1.0 m³/m³
Apparent dielectric permittivity εa: 1 (air) to 80 (water)
Resolution: 0.001 m³/m³
Accuracy: ±0.03 m³/m³ (±3% VWC) typical in mineral soils
TEMPERATURE
Range: -40 ... +60 °C
Resolution: 0.1 °C
Accuracy: ±0.5 °C from −40 … 0 °C, ±0.3 °C from 0 … +60 °C
BULK ELECTRICAL CONDUCTIVITY
Range: 0 … 20 dS/m (bulk)
Resolution: 0.001 dS/m
Accuracy: ±(5% +0.01 dS/m) from 0 … 10 dS/m, ±8% from 10 … 20 dS/m
DEVICE
LoRaWAN® class A
2 C alkaline batteries
13.5 cm × 8.1 cm × 7 cm (not including sensor)
5 m cable
Reference DL-TRS12, DL-TRS11 (without EC)