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

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Soil Moisture meter TDR 150

Rajarata University of Sri Lanka

Product Category/ Test Name (Matrix):

Soil Moisture meter

Sub Category:

VWC using TDR


Soil Moisture, VWC, TDR

Service Charge (Rs) -

Manufacturer Spectrum technologies Inc. Funding Source AHEAD/ ELTA ELSE
Model Fieldscout TDR 150 Whether the equipment service can be provided to external researchers/institutions Yes
Manufactured Year 0000 Availability of Technically Competent Staff Yes
HS Code Instrument Condition Functioning well
Vendor Name Analytical Instruments (pvt) Ltd Commencement of Operations Date 2021-02-24
Vendor Contact +94 11 2639000 InstrumentPrice 280500.00
Vendor Url Stage of the Record Incomplete
Catalog Aceess
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Catalog Link
Institute Rajarata University of Sri Lanka
Faculty Agriculture
Department Agricultural Systems
Laboratory Agroecology Laboratory
Contact Person Name
Phone Number 0252235102
Mobile Number
Product Category Soil Moisture meter
Sub Category VWC using TDR
Testing Paremeters 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
Percent volumetric water content (VWC)
Period (raw sensor reading)
Electrical Conductivity (EC) in milliSiemens per
Accuracy and
VWC: 0.1% increment ±3.0% @ < 2 mS/cm
0% to Saturation (Saturation is typically around
50% volumetric water)
EC: 0.01 increment ; ± 0.1 mS/cm; 0 - 5.5 range
Temperature: 0.2 ̊F (0.1 ̊C) increment ; ± 1.8 ̊F
(± 1 ̊C); -22 to 140 ̊F (-30 to 60 ̊C)
Thermistor based;
Connectivity USB Type A
Log Capacity 50,000 measurements
Power 4 AA batteries
Turf 1.5” (3.8 cm)
Medium 4.8” (12.2 cm)


Number of samples per cycle 0
Number of samples per day 0
Total usage hour per day 0

Under Development Stage

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