Grounds & outdoor, side by side.
16 devices in 4 groups, each group the devices that do the same job, with the specs from the catalog. Each catalog number opens that device’s page.
Soil
| Device | Measures | Accuracy | Radio | Mount | Rating | Power |
|---|---|---|---|---|---|---|
| No. 173 Buried soil moisture & temperature probe | Soil moisture (VWC) and soil temperature | VWC ±0.03 m³/m³ (generic calibration); ±1.0 °C | LoRaWAN, North America | Probe buried in the root zone, 5 m cable | IP67; −20 to 50 °C operating | Alkaline batteries, about 11 years (manufacturer rating) |
| No. 174 Soil moisture profile probe | Soil moisture and soil temperature at 6 depths (100–600 mm) | Repeatability: moisture 0.05 SFU, temperature ±0.2 °C | LoRaWAN, North America | Probe installed in the soil, 5 m cable | IP67; −20 to 50 °C operating | Alkaline batteries, about 4 years (manufacturer rating) |
| No. 175 Soil moisture & salinity probe | Soil moisture (VWC), soil temperature and electrical conductivity | VWC ±0.03 m³/m³ (generic); ±0.3 °C (0–60 °C); EC ±(5% + 0.01 dS/m) to 10 dS/m, ±8% from 10 to 20 dS/m | LoRaWAN, North America | Probe buried in the root zone, 5 m cable | IP67; −20 to 50 °C operating | Alkaline batteries, about 11 years (manufacturer rating) |
| No. 176 Soil water potential sensor | Soil water potential (tension) and soil temperature | ±(10% of reading + 2 kPa) from −5 to −100 kPa; ±1.0 °C | LoRaWAN, North America | Buried in the soil, 5 m cable | IP67; −20 to 50 °C operating | Alkaline batteries, about 11 years (manufacturer rating) |
| No. 177 Root-zone soil moisture sensor | Soil moisture, soil temperature and electrical conductivity | Moisture ±3% (0–53%), ±5% above 53%; temperature within 0.3 °C (−10 to 50 °C); EC ±2% of full scale | LoRaWAN Class A, North America | Probe buried in the root zone | IP66; −40 to 85 °C operating | Lithium battery, about 5 years (manufacturer rating) |
| No. 178 Soil pH sensor | Soil pH and soil temperature | pH ±2% (0–50 °C); temperature within ±0.5 °C (−10 to 40 °C) | LoRaWAN, North America | Probe buried in the soil, 3.5 m cable | IP66; −40 to 85 °C operating | Lithium battery, about 5 years (manufacturer rating) |
| No. 179 Soil moisture & temperature sensor | Soil moisture (VWC) and soil temperature | Moisture ±3% (0–50%), ±5% (50–100%); temperature ±0.5 °C (0–50 °C) | LoRaWAN, North America | Probe buried in the root zone, 5 m cable | IP66; −40 to 85 °C operating | Lithium battery, about 10 years (manufacturer rating) |
| No. 180 Agriculture multi-sensor | Soil moisture, soil water tension, soil temperature, air temperature, humidity, light and motion | Air temperature ±0.2 °C; soil temperature ±2 °C (−15 to 60 °C); water tension ±1 kPa (0–239 kPa) | LoRaWAN, North America | Not listed | IP67; −20 to 60 °C operating | Lithium battery |
Rain, weather and sunlight
All 4Radio: LoRaWAN, North America
| Device | Measures | Range | Accuracy | Rating | Power |
|---|---|---|---|---|---|
| No. 122 Rain gauge | Rainfall | 0.1 mm per tip; 200 cm² catchment | ±2% at 0 to 25 mm/h; ±3% at 25 to 50 mm/h | IP67 | Battery (alkaline) |
| No. 123 Solar-powered weather station | Temperature, humidity, wind speed and direction, barometric pressure and rainfall | Temperature −40 to 85 °C; humidity 0 to 100% RH; wind 0 to 60 m/s and 0 to 360°; pressure 500 to 1100 hPa; rainfall 0 to 1000 mm | Temperature ±0.3 °C; humidity ±3% RH; wind ±0.3 m/s or 3% and ±3°; pressure ±0.5 hPa; rainfall ±0.5 mm | IP65; −40 to 85 °C operating | Solar with lithium-ion battery |
| No. 144 PAR light sensor | Photosynthetically active radiation (PAR) | Not listed | Not listed | Not listed | Not listed |
| No. 147 Pyranometer solar radiation sensor | Total solar radiation | 0 to 2000 W/m²; 360 to 1120 nm; 180° field of view | ±5% calibration uncertainty; repeatability under 1% | IP67; −20 to 50 °C operating | Battery (alkaline) |
Plant sensors
| Device | Measures | Range | Accuracy | Radio | Mount | Rating | Power |
|---|---|---|---|---|---|---|---|
| No. 152 Tree stem growth sensor | Stem diameter change | 0–20 mm | Not listed | LoRaWAN, North America | On the tree stem, 1 m cable | IP67 | Alkaline batteries, about 16 years (manufacturer rating) |
| No. 153 Leaf wetness sensor | Leaf wetness and leaf temperature | Not listed | Leaf moisture ±3% (0–50%), ±6% above 50%; temperature within ±0.5 °C (−10 to 70 °C) | LoRaWAN Class A, North America | Clipped on foliage, 3.5 m cable | IP66; −40 to 85 °C operating | Lithium battery, about 5 years (manufacturer rating) |
Irrigation valve controllers
BothInputs: Digital input and pulse counter; Outputs: 2 latching solenoid valve outputs; Mount: Wall or pole
| Device | Radio | Rating | Power |
|---|---|---|---|
| No. 213 Solar-powered valve controller | LoRaWAN Class C (North America) | IP68, outdoor, −20 to 60 °C | Solar with lithium-ion battery; external-antenna version also takes DC |
| No. 214 Battery-powered valve controller | LoRaWAN Class A (North America) | IP68, outdoor, −30 to 70 °C | Lithium thionyl chloride battery |
Specs from the Cognituv Connect catalog (October 2026). Where the catalog gives no value, the table says “Not listed”. Confirm site suitability, calibration and current product specifications before ordering. The product data sheet governs.
Grounds & outdoor in the catalog →Ask an engineer to compare for your site →
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