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STELZNER® agricultural measurement systems

Measuring instruments for soil moisture and water monitoring, using sensors, tensiometers and data loggers

TDR 150

Soil moisture meter TDR 150

TDR 150 is a measuring instrument for determining the moisture content in soil based on the TDR (time domain reflectometry) method. This meter is designed for on-the-go usage; it makes on-site measurements quickly and accurately. The TDR 150 comes delivered with a case.

 

The soil moisture sensor is waterproof and resistant to corrosion. It can be used for crop cultures as well as in natural soil.

ARTICLE AND PRIZES
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30005084 TDR 150 € 1069,81
In delivery: The TDR 150 with matching carrying case; please order the pair of probes separately
Art.-Nr. Article Accessories Cart
30005089 Probe pair, 20 cm € 69,02
30005095 Probe pair, 3.8 cm € 69,02
30005096 Probe pair, 7.5 cm € 69,02
30005097 Probe pair, 12 cm € 69,02
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TECHNICAL DATA
Measuring range: volumetric soil humidity: 0 to approx. 50 vol. %
    Conductivity: 0 to 5 mS/cm
    Temperature: –30 to +60 °C
Accuracy: volumetric soil humidity: ± 3 vol.% (< 2 mS/cm)
    Conductivity: 0.1 mS/cm
    Temperature: ± 1 °C
Resolution: 0.1 vol.%
Accuracy: ±3 vol.%
Useful probe length: 3.8 / 7.5 / 12 or 20 cm
Probe diameter: 0.5 cm
Measurement storage: 1,350 / 3,500 values
with/without GPS
Power supply: Four 1.5-V AAA batteries
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A tensiometer is used to measure suction tension. The porous cell of the tensiometer uses capillary action to transport water outwards into the drier soil. A negative pressure is then created within the closed pipe. This negative... ...more Topseller

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