New moisture meter from Spectrum: TDR 350. Highly accurate soil moisture measurements of any soil condition.

TDR-350 Details

  • Increased Accuracy of Soil Moisture (VWC %)
  • Different probe lengths available.
  • Measures EC (Electrical Conductivity)
  • Measures Turf Surface Temperature
  • Industry Exclusive Backlit Display
  • Integrated Bluetooth and GPS
  • Data logger records approximately 50,000 measurements with GPS coordinates
  • Improved shaft-mounted probe with telescoping tubular frame
  • Basic version with free App to monitor and store data on your mobile phone
  • Optional Specconnect Fieldscout software for online data management

Product Details

Offering the same proven time-domain measurement technology, the TDR-350 accurately measures soil moisture across the full range of soil moisture conditions. With new enhancements, the TDR-350 provides significant improvements in performance and measurement accuracy for optimal turf conditions.


Measurements: The new TDR-350 has increased accuracy to measure Soil Volumetric Water Content (VWC), along with Soil Electrical Conductivity (EC), and soil surface temperature.

Integrated: With integrated Bluetooth and GPS, no additional parts are necessary for Bluetooth connectivity and geolocation of readings. Using the FieldScout Mobile App, available for both iOS and Android, measurements can be automatically uploaded to SpecConnect with your FieldScout® Pro subscription for visualization and data analysis.

Display: An industry exclusive, larger backlit LCD display provides optimal contrasts for daylight and low light viewing, and larger digits for easier viewing of measurements. Receive instant readings – no smartphone or computer hookup required!

Data logging: Large capacity data logger can record approximately 50,000 measurements with GPS coordinates. Data records can be saved to USB stick, or smartphones or tablets via Bluetooth when using FieldScout Mobile Pro to

Design: The TDR-350 has an ergonomic design with a shaft-mounted probe that is a telescoping tubular frame. This allows users to easily and rapidly take many measurements in various turf and soil environments.



Download the following PDF to learn about TDR-350: