Updated:2023-02-15
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Low-cost, ruggedized soil moisture sensor
Ideal for large sensor networks
Sharpened stainless steel needles are securely fastened and reduce breakage
Compatible with TEROS Borehole Installation Tool ensuring fast, error-free installation with little site disturbance
3-year long-life guarantee
Check installation or troubleshoot with the ZSC Bluetooth sensor interface
Measure VWC in a harsh environment
Robust epoxy body means it lasts for 10+ years in the field
430 mL volume of influence
Repeatability can be checked with an accuracy verification standard
Plug and play with METER data loggers
Ferrite core eliminates cable noise
Easy integration with third-party systems
Volumetric Water Content(VWC) | Range |
Mineral Soil Calibration:0.0000-0.6400 m³/m³ Soilless Media Calibration:0.0000-0.7000 m³/m³ Apparent Dielectric Permittivity(εa):1(air)to 80(water) NOTE:TheVWC range is dependent on the media the sensor is calibrated to.Acustomcalibration will accommodate the necessary ranges for most substrates. |
Resolution | 0.0010m³/m³ | |
Accuracy |
Mineral Soil Calibration: +0.03 m³/m³ typical in mineral soils
that have
solution EC
< 8 dS/m Soilless Media Calibration: +0.05 m³/m³ typical in media that has a solution EC <8 dS/m Medium Specific Calibration: ±0.01-0.02 m³/m³ in any porous medium ApparentDielectric Permittivity(εa):1-40(soil range),±1εa(unitless) 40-80,15% of measurement |
|
Measurement Specifications | Dielectric Measurement Frequency | 70 MHz |
Measurement Volume | See comparison article | |
Communication Specifications | Output | 1.000-2.500 mV |
Data Logger Compatibility | Dataacquisition systems capable of switched 3.0-15 VDC excitation and single-ended voltage measurement at greater than or equal to 12-bit resolution. | |
Physical Specifications | Dimensions |
Length:5.1 cm (2.02 in) Width: 2.4 cm (0.95 in) Height:7.5 cm (2.95 in) |
Needle Length | 5.4 cm (2.11 in) | |
Operating Temperature Range |
Minimum: -40.00°C Typical: NA Maximum:60.00°C NOTE:Sensors may be used at higher temperatures under certain conditions: Contact Customer Support for assistance. |
|
Cable Length |
5 m(standard) 40 m(maximum custom cable length) NOTE:Contact Customer Support if a nonstandard cable lengthis needed. |
|
Cable Diameter | 0.165 +.004 (4.20 ±.10 mm) with min. jacket of .030 (.76 mm) | |
ConnectorTypes | 3.5-mm stereo plug connector or stripped and tinned wires | |
Stereo Plug Connector Diameter | 3.5 mm | |
Conductor Gauge | 22 AWG/24 AWG drain wire | |
Electrical and Timing Characteristics | Supply Voltage (VIN to GND) |
Minimum:3.0 VDC Typical: NA Maximum: 15.0 VDC |
Measurement Duration |
Minimum:10 ms Typical: NA Maximum: NA |
|
Other | Compliance | Manufactured under ISO 9001:2015 EM ISO/IEC 17050:2010(CE Mark) 2014/30/EU and 2011/65/EU EN61326-1:2013 and EN55022/CISPR 22 |
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