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TDR-150 Soil moisture sensor

The TDR 150 is the ideal tool for quick, reliable, and convenient measurement. Whether you're in a field, greenhouse, or laboratory, the TDR 150 will provide the results you want.

Portable soil moisture meter allows you to obtain readings on the go at the press of a button. Variable rod length options provide soil moisture measurements at your ideal root zone. With new enhancements, the TDR 150 provides significant improvements in performance and measurement accuracy for optimal turf and soil environments.

  • Measures EC (Electrical Conductivity)
  • Measures Turf Surface Temperature
  • Option to add on Bluetooth and GPS
  • Data logger records approximately 50,000 measurements
  • Industry exclusive backlit display
  • Ergonomic handle
  • Data collected with USB flash drive
  • No PC interface needed
  • Powered by AA lithium batteries
  • Ideal for measuring containers on benches
  • Includes hard-sided carrying case
  • Replacement probe
  • Optional IR Temp sensor to measure canopy

Please specify the desired probe length when ordering.

Technical data:

  • Measurement Principle: Time – domain measurement methods
  • Measurement Units: % water content (Percent Volumetric Water Content)
  • Range: 0% to saturation (Saturation up to about 50% volumetric water depending on soil type)
  • Resolution: 0.1% volumetric water conten
  • Accuracy: ± 3 % volumetric water conten
  • Power: 4 AA lithium batteries; approximately 100,000 readings without backlight
  • Data Logger: 50,000 measurements
  • EC: Range: 0 to 5 mS/cm, Resolution: 0.01 mS/cm, Accuracy: ±0.1 mS/cm
  • Temperature: Range: -30°C to 60°C, Resolution: 0.1°C, Accuracy: ±1°C
  • Sensor Length: 3.8 cm, 7.5 cm, 12 cm or 20 cm
  • Sensor Diameter: 0.5 cm
  • Sensor spacing: 3.3 cm

Item-No.: 40010TDR-150 incl. 1 set rods (length selectable) and carrying case

Additional rods:
Item-no.: 40014 – Additional rods 3.8 cm (1 pair)
Item-no.: 40013 – Additional rods 7.5 cm (1 pair)
Item-no.: 40011 – Additional rods 12 cm (1 pair)
Item-no.: 40012 – Additional rods 20 cm (1 pair)
Item-no.: 40019 – Annual licence for Field Scout Pro App