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PR2 soil profile moisture sensor

The PR2 Soil Profile Moisture Tester can quickly, accurately and reliably measure the soil profile volumetric water content. Using advanced FDR technology, 4 or 6 soil moisture probes are distributed on a probe at the same time to achieve soil moisture measurement of different depths in the same location.



Technical Parameters:


Sensor model

PR2/4

PR2/6

Detection depth

10, 20, 30, 40 cm

10, 20, 30, 40, 60, 100 cm

measuring

Soil volumetric water content (m3.m-3 or %vol)

Range

0-0.4 m3.m-3 Guaranteed accuracy
0-1 m3.m-3 full range

Accuracy

±0.04 m3.m-3 (0-40℃) special calibration for soil
±0.06 m3.m-3 (0-40℃) uses a universal calibration curve

Salt effect

50-400ms.m-1 (pore water conductivity)

Measuring point measuring range

The cylinder-like soil with a probe point diameter of 10 cm and a height of 5 cm above and below determines the sensitivity of the measured value of 95%, so there should be no metals, stones and roots in this cylindrical volume, so as not to affect the measurement results.

working environment

0-40℃ Guaranteed accuracy index
-20 to 70 ℃ operating range, IP67 waterproof rating

Reaction time

1 second

power supply

Minimum: 5.5V DC (at 2m cable); 7.5V DC (100m cable)
Maximum: 15V DC
PR2/4 power consumption <80mA; PR2/6 power consumption <120mA

Output

4 (PR2/4) or 6 (PR2/6) analog voltage values. 0-1V corresponds to 0-60m3.m-3

Cable

Shielded 9-core cable, standard 2m cable, and M12 (IP68 connector)
Extension cable: 5 meters, 10 meters, 25 meters, up to 100 meters

Material

25.4mm polycarbonate, stainless steel

Dimensions and weight

PR2/4: Length: 750mm Weight: 0.6Kg
PR2/6: Length: 1350mm Weight: 0.9Kg


Origin: United Kingdom



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