Fieldscout TDR 350 Soil Moisture Meter

The Fieldscout TDR 350 Soil Moisture Meter helps turf professionals manage water responsibly and reduce operating expenses.

The Fieldscout TDR 350 is a portable soil moisture meter with enhanced accuracy for Soil Volumetric Water Content (VWC) and Soil Electrical Conductivity (EC). The meter features an LCD screen for daylight and low light viewing, GPS and Bluetooth connectivity. The meter requires TDR rods (tines) to function, which are sold separately.

The Fieldscount TDR 350 offers the proven time-domain measurement technology you have come to recognize for more than 30 years. The TDR 350 accurately measures soil moisture across the full range of soil conditions. Improved ergonomic design provides quick and easy measurements. Validate your cultural practices with hands free data collection integrated with Bluetooth and GPS.

Key features and benefits of the Fieldscout TDR 350 Soil Moisture Meter 

• Increased accuracy of soil moisture (Volumetric Water Content)
• Measures EC (Electrical Conductivity)
• Measures Turf Surface Temperature
• Integrated Bluetooth and GPS
• Data logger records approximately 50,000 measurements
• Industry exclusive backlit display
• Improved shaft-mounted probe with telescoping tubular frame
• Data collected with USB flash drive
• No PC interface needed
• Powered by AA lithium batteries
• Compatible with SpecConnect and FieldScout App
• Optional IR Temp sensor to measure turf canopy

Manage with the FieldScout Mobile App

• Use the FieldScout Mobile app to instantly collect and display data. Collects data from the new
• FieldScout® TDR 350 Soil Moisture Meter using Bluetooth Smart connection.
• Visualize real-time readings on a Bluetooth Smart Ready smartphone or tablet in the field
• Color coded to represent a scale of moisture, EC, surface temperature or turf firmness
• E-mail relevant information to communicate results with others
• Free download from Apple App Store or Android Google Play

FieldScout App Pro Mode Features

The FieldScout Mobile App is available in Pro Mode with a SpecConnect subscription. The key feature and benefits of Pro Mode include:

• Google Maps dynamic satellite image shows readings data overlaid on your property
• Guided Mode allows for taking grid readings without interacting with the phone
• Freeform Mode plots a point for each reading, and stores its data independently
• Automatic wireless upload to SpecConnect for further analysis from your personal web portal
• Eliminates the need for a computer, cable and GPS accessory
• SpecConnect provides complete data overview at once, overlaid on a satellite map
• Color Gradient Mapping of data points within custom selected areas or groupings
• Export your data from SpecConnect into an Excel document for deeper analysis

• Accuracy: ± 3.0% VWC; electrical conductivity < 2 mS/cm
• Range: up to 98.3% depending on soil type
• EC: ± 0.1 mS/cm; Resolution: 0.01 mS/cm
• Temperature: -22°F to 140°F (-30°C to 60°C); Infrared Optional
• Resolution: 0.1% VWC
• Data Logger: 45,000 to 61,000 measurements
• Measurement: Principle Time-domain
• Battery: 4 AA Batteries

Download the Fieldscout TDR 350 Product Manual

Download the Fieldscout Mobile App Product Manual