Related Manuals for Spectrum Technologies FieldScout TDR 250
Summary of Contents for Spectrum Technologies FieldScout TDR 250
- Page 1 FieldScout® TDR 250 Soil Moisture Meter Product Manual Item #6250 “To Measure Is To Know” “To Measure Is To Know” info@specmeters.com www.specmeters.com 800.248.8873...
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Page 2: Table Of Contents
Updating & Calibration........9-10 This manual will familiarize you with the features and operation of your new FieldScout TDR 250 Soil Moisture Meter. Please read this manual thoroughly before launching the unit. For customer support or to place an order, call Spectrum Technologies, Inc. at 800-248-8873 or 815-436-4440, FAX at 815-436-4460, or e-mail at info@specmeters.com. -
Page 3: Product Details
PRODUCT DETAILS Specifications Characteristic Description Power 4 AA Batteries (included) Weight 3.75 lb (8.27 kg) Log Capacity Up to 124,000 Measurements Display Backlit, High-Contrast, Graphic LCD IP Rating Display: IP53, Probe: IP67 Connectivity USB Type A Measurement Units % Volumetric Water Content (VWC) Period (raw sensor reading) Resolution, Accuracy &... - Page 4 Display Screens The TDR 250 has 3 main display screens: • Startup • Reading • Settings Menu Startup Information Screen Initially displayed after powered on • Displays model, serial number and firmware version • Press and hold ON/OFF|BACK button remain on this screen Reading Screen Displays the last measurements of VWC, EC in milliSiemens/cm and temperature with rod type, selected soil type and a reading count with running average.
- Page 5 Daylight Savings: ON or OFF Calibration*: Overrides factory calibration Clear User Calibration: Clears the user applied calibration back to factory settings Factory Defaults*: Resets menu settings and counter to the factory default value *Pressing Select button for these options brings up additional screen About: Displays general information (model and serial number, firmware versions for display and sensor) Defaults: Rod Length...
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Page 6: Operation
OPERATIONS Button Functions ON/OFF|BACK Button • Press briefly to power on • Press and hold to power on and stay on the logo screen • Press and hold for 2 seconds to power off • Press within a menu to return to prior screen MENU|SELECT Button •... -
Page 7: Data Logging & Measurements
Meter Operations Handlebars Attached Setting Up the Meter Slide the lock washers onto the threaded ends of the handle bars Install the two cushion grip handles and tighten securely Pull the battery transport tab out of the display unit Select a set of probe rods and screw them to the bottom of the probe block, tightening securely. Set the desired user settings in the settings menu Taking Readings Grip the TDR handles to the left and right of the display... -
Page 8: Maintenance
VWC Measurements Volumetric Water Content (VWC) The ratio of the volume of water in a given volume of soil to the total soil volume expressed as a decimal or percentage. Four soil moisture levels of most importance can be defined as follows: Saturation: All soil pores are filled with water. -
Page 9: Updating & Calibration
Display Installation Reconnect the sensor cable to the 3.5mm connector on the back of the display module if previously removed. Insert the foam spacer back behind the sensor cable if previously removed. The split end fits around the sensor cable molding. Guide the excess cable back down through the base plate. - Page 10 Calibration The FieldScout TDR is fully calibrated at the factory. Further calibration is not required, nor recommended. The meter has internal calibrations that will work for many soil types. Each meter will have a small difference in how it responds to identical soil conditions.
- Page 11 RMA number or for the loss of the package by any shipping company. 3600 Thayer Court Aurora, IL 60504 Form 132 (23-124) 800.248.8873 Rev. A 07/2023 Spectrum and FieldScout are registered trademarks of Spectrum Technologies, Inc. www.specmeters.com...
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