An FDR sensor with three probes and RS485 communication for dual measurement directly in the soil.
Key features
FDR moisture measurement and a platinum temperature element, with built-in compensation.
Applications
Suited to irrigation and soil monitoring in fields, greenhouses and orchards.
What this product isThe sensor measures volumetric water content using the FDR principle, and temperature with a precise platinum resistance element. Built-in temperature compensation enables fast, stable monitoring in the topsoil or across the soil profile.
The technical values apply to the moisture and temperature version with RS485 integration into the AGRO VEDA station.
Specifications| Measurement | |
|---|---|
| Soil moisture | 0 to 100 % m³/m³ |
| Moisture accuracy | ±3 % in the 0–50 % range |
| Soil temperature | −30 to +70 °C |
| Temperature accuracy | ±0.5 °C |
| Response time | < 1 s |
| Measuring volume | Cylinder Ø70 mm × 70 mm around the centre of the probes |
| Communication output | RS485 |
| Moisture is shown as the volumetric water content of the soil; the measuring volume should be filled with evenly compacted soil. | |
| Electrical & construction parameters | |
| Power supply | 3.9–30 VDC for the RS485 configuration |
| Communication output | RS485 |
| Operating temperature | −40 to +80 °C |
| Protection rating | IP68 |
| Housing | ABS |
| Probe material | 316L stainless steel |
| Overall dimensions | 145 × 45 × 15 mm |
| Housing length | 66 mm |
| Probes | 3 × Ø3 × 70 mm |
| Standard cable length | 2 m |
| Storage conditions | 10 to 60 °C at 20 to 90 % RH |
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