GRAIN MOISTURE METER FieldScout TDR 150 Soil Moisture Meter 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 handle 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 SPECIFICATION: Measurement Principle:Time - domain measurement methods Percent Volumetric Water Content (VWC) Resolution: 0.1% VWC Accuracy: with Electrical Conductivity (EC)  < 2 mS/cm Range: 0% to saturation (Saturation up to about 50% volumetric water depending on soil type) Battery/Life: AA lithium batteries; approximately 100,000 readings without backlight Data Logger: 50,000 measurements ECRange: 0 to 5 mS/cm, Resolution: 0.01 mS/cm, Accuracy: +/- 0.1 mS/cm TemperatureRange: -30°C to 60°C, Resolution: 0.1°, Accuracy: +/- 1°C