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Soil Moisture meter TDR 150

Soil Moisture meter TDR 150

About This Instrument

This meter can be used as a field equipment to determine the VWC, EC and Temperature in soil.

Functioning well

Soil Moisture meter TDR 150

Rajarata University of Sri Lanka

Faculty Agriculture
Department Agricultural Systems
Laboratory Agroecology Laboratory
Category Soil Moisture meter
Sub Category VWC using TDR
Keywords Soil Moisture, VWC, TDR

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Manufacturer	Spectrum technologies Inc.
Model	Fieldscout TDR 150
Manufactured Year	0000
HS Code	—
Instrument Condition	Functioning well
Instrument Price (Rs)	280500.00
Funding Source	AHEAD/ ELTA ELSE
External Research Support	Yes
Availability of Technical Staff	Yes
Commencement of Operations	2021-02-24
Vendor Name	Analytical Instruments (pvt) Ltd
Vendor Contact	+94 11 2639000
Vendor URL	https://www.aipl.lk
Catalog Access	—
Catalog Upload	—
Catalog Link	https://www.specmeters.com/assets/1/22/TDR_150_Spec_Sheet.pdf
Stage of the Record	Incomplete

Product Category	Soil Moisture meter
Sub Category	VWC using TDR
Testing Parameters	Volumetric Water Content (VWC) percentage, EC, Temperature
Description	This meter uses Time Domain Reflectometry for determining Volumetric Water Content in soil.
Relevant Instruments	Soil Moisture meter

Technical Specification	<table border="1" cellpadding="1" cellspacing="1" style="width:500px"> <tbody> <tr> <td><span dir="ltr">Measurement</span><br /> <span dir="ltr">Units</span></td> <td><span dir="ltr">Percent volumetric water content (VWC)</span><br /> <span dir="ltr">Period (raw sensor reading)</span><br /> <span dir="ltr">Electrical Conductivity (EC) in milliSiemens per</span><br /> <span dir="ltr">centimeter</span></td> </tr> <tr> <td><span dir="ltr">Resolution,</span><br /> <span dir="ltr">Accuracy and</span><br /> <span dir="ltr">Range</span></td> <td><span dir="ltr">VWC</span><span dir="ltr">: 0.1% increment ±3.0% @ < 2 mS/cm</span><br /> <span dir="ltr">0% to Saturation (</span><span dir="ltr">Saturation is typically around</span><br /> <span dir="ltr">50% volumetric water</span><span dir="ltr">)</span><br /> <span dir="ltr">EC</span><span dir="ltr">: 0.01 increment ; ± 0.1 mS/cm; 0</span><span dir="ltr"> </span><span dir="ltr">-</span><span dir="ltr"> </span><span dir="ltr">5.5 range</span><br /> <span dir="ltr">Temperature</span><span dir="ltr">: 0.2 ̊F (0.1 ̊C) increment ; ± 1.8 ̊F</span><br /> <span dir="ltr">(± 1 ̊C);</span><span dir="ltr"> </span><span dir="ltr">-</span><span dir="ltr">22 to 140 ̊F</span><span dir="ltr"> </span><span dir="ltr">(</span><span dir="ltr">-</span><span dir="ltr">30 to 60 ̊C)</span><br /> <span dir="ltr">Thermistor based;</span></td> </tr> <tr> <td><span dir="ltr">Connectivity</span><span dir="ltr"> </span></td> <td><span dir="ltr">USB Type A</span></td> </tr> <tr> <td><span dir="ltr">Log Capacity</span></td> <td><span dir="ltr">50,000 measurements</span></td> </tr> <tr> <td><span dir="ltr">Power</span></td> <td><span dir="ltr">4 AA batteries</span></td> </tr> <tr> <td><span dir="ltr">Available</span><br /> <span dir="ltr">Rod</span><br /> <span dir="ltr">Dimensions</span></td> <td><span dir="ltr">Turf</span><span dir="ltr"> </span><span dir="ltr">1.5” (3.8</span><span dir="ltr"> </span><span dir="ltr">cm)</span><br /> <span dir="ltr">Medium</span><span dir="ltr"> </span><span dir="ltr">4.8” (12.2</span><span dir="ltr"> </span><span dir="ltr">cm)</span></td> </tr> </tbody> </table> <p> </p>
Number of Samples per Cycle	0
Number of Samples per Day	0
Total Usage Hours per Day	0

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