TDR 150 Soil Moisture Meter with Case

With new enhancements, the TDR 150 provides significant improvements in performance and measurement accuracy for optimal turf and soil environments.

  • Product Name:Soil Moisture Meter with Case
  • Model:TDR 150
  • Maunufactor:Spectrum
  • Country:USA

Performance, Upgraded.

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.

  • Increased accuracy of soil moisture (Volumetric Water Content)

  • 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 handl

  • Data collected with USB flash drive

  • No PC interface needed

  • Powered by AA lithium batteries

  • Ideal for measuring containers on benches

  • Optional IR Temp sensor to measure canopy

Note: Rods are required for TDRs to function

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Manage with the FieldScout Mobile App

Capture and analyze measurements on your turf using Blutooth wireless technology on our FieldScout TDRs 350, 300, 150 and Trufirm.

  • Visualize field readings in real time and e-mail relevant information

  • Upload to SpecConnect Web Portal and view your entire course’s data at once and export for further analysis (Pro Features)

  • Color-coded to represent a scale of turf firmness, moisture, surface temperature and EC

  • Free download from App store or Google Play

  • Works on iOS and Android devices

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CALIBRATION FEATURE - If you purchased your meter before 2012, the TDR family of soil moisture meters now includes the option to perform a calibration on an individual meter.  The calibration is done in 2 media; air and distilled water.  This new feature took effect with firmware version 6.5 and is included with units shipped after January 1, 2012 (purchased directly thru Spectrum). Meters with firmware versions earlier than v. 6.5 can be upgraded by purchasing and installing an updated microcontroller chip (Item #CHIP-TDR3, see above table for purchasing). Firmware version 6.5 or higher required for FieldScout Bluetooth Device connection.


Measurement Principle: Time - domain measurement methods

Measurement Units: Percent Volumetric Water Content (VWC)

Resolution: 0.1% VWC

Accuracy: +- 3.0% VWC with Electrical Conductivity (EC)  < 2 mS/cm

Range: 0% to saturation (Saturation up to about 50% volumetric water depending on soil type)

Battery/Life: 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°, Accuracy: +/- 1°C