Wireless Substrate Sensor (Teros-12)

Monitor irrigation and nutrient delivery to plants to optimize for plant growth Volumetric Water Content measurements 0.00–0.70 m³/m³ (accuracy ±0.03 m³/m³ )   Apparent dielectric permittivity measurements 1 (air) - 80 (water) (accuracy 1–40, ±1 [unitless] 41–80, 15% of measurement)   Temperature measurements −40 °C to 60 °C (accuracy ±1 °C)   Bulk Electrical Conductivity measurements 0–20 mS/cm (bulk) (accuracy ±5% of measurement [<10 mS/cm])   Protection class IP68   Wireless and battery-powered LoRa wireless protocol with up to 2 miles line-of-sight range Requires 1 AA Battery. Battery life of approximately 2 years at 2 minute polling intervals and up to 10 years at 10 minute polling intervals   *Connects to PRO Base Station (sold separately)