GRAIN MOISTURE METER FieldScout TDR 350 Soil Moisture Meter Manage water responsibly and reduce operating expenses. Offering 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. 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 SPECIFICATION: 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 batteries 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