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ECH20 10HS Large Volume Soil Moisture Sensor

Updated:2023-02-15

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  • Brand: METER
  • Model: ECH20 10HS
  • Description: Soil is a heterogeneous system, which means small sensors may not provide good enough answers to your soil moisture questions. The larger 10HS sensor is better at averaging varying soil moisture and c
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Product Details

ECH20 10HS Large Volume Soil Moisture Sensor Description:

User's Manual

Extra large volume of influence

The 10-cm long 10HS has three times the volume of influence compared to smaller sensors, measuring one liter of soil volume. Most soil sensors that measure this much volume are 20 cm or longer, causing installation headaches. The 10HS provides the perfect balance between volume of influence and sensor size, installing easily into the sidewall of a narrow trench.

Note: Want even easier installation? Many of our 10HS customers now prefer the TEROS 12, which also has a one-liter volume of influence, is even smaller, and can be installed with an installation tool for faster, more consistent, and mistake-proof installation.)

Fast,accurate water content measurements

The 10HS measures volumetric water content by means of capacitance technology. Its high measurement frequency minimizes salinity and textural effects, making this sensor accurate in a large range of mineral soils. Factory calibrations can be used in most typical soils with a saturation extract EC of 8 dS/m or less. (For soilless media, we recommend the TEROS 12 sensor.)

Get the perfect balance

Soil is highly variable in space. The 10HS soil moisture probe with its larger volume of influence can smooth variability and accurately characterize highly heterogeneous soil water content. It’s the perfect balance between volume of influence, accuracy, affordability, and ease of installation.

Get more for less

A special coating makes the 10HS soil moisture sensor resistant to salts. Very low power consumption and a high resolution provide increased precision over a longer period of time.

Sublimely simple

Push the 10HS directly into undisturbed soil, plug it in, and start collecting data. It’s that easy with the METER ZL6 data logging system.

Function:

Large volume of influence

High measurement frequency

Easy to install

Plug and play capability with METER loggers

Simple integration with third-party loggers as a single-ended voltage reading

ECH20 10HS Large Volume Soil Moisture Sensor Specification:

Volumetric Water Content(VWC) Range Mineral Soil Calibration:0.0000-0.5700 m³/m³(0%-57%VWC)
Soilless Media Calibration:0.0000-0.6900 m³/m³(0%-69% VWC)
Apparent Dielectric Permittivity (εa):1(air)to 80(water)
NOTE:TheVWCrange is dependent on the media the sensor is calibrated to.Acustomcalibration will accommodate the necessary ranges for most substrates.
Resolution 0.0008 m³/m³(0.08% VWC) in mineral soils from 0-0.50 m³/m³(0%-50% VWC)
Accuracy With standard calibration equation.0.03 m³/m³(3% VWC)tvpicalin mineralsoils that have solution electrical conductivity<10 dS/m
NOTE:With soil-specific calibration, ±0.02 m³/m³(±2% VWC) is typicalin any soil.
Measurement Specifications Measurement Volume See comparison article
Communication Specifications Output 300-1,250 mV, independent of excitation voltage
Data Logger Compatibility METERdataloggers(ZL6,EM50/60 series,Em5b) or any data acquisition systems capable of switched 3-15 VDC excitation and single-ended voltage measurement at greater than or equal to 12-bit resolution.
Physical Specifications Dimensions Length:16.0 cm(6.3in)
Width:3.3 cm (1.3 in)
Height:0.8 cm(0.3in)
Prong Length 10.0 cm (3.94 in)
Operating Temperature Range Minimum:-40.00°C
Typical: NA
Maximum:50.00°
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.
Connector Types 3.5-mm stereo plug connector or stripped and tinned wires
Electrical and Timing Characteristics Supply Voltage (VIN to GND) Minimum:3.0 VDC
Typical: NA
Maximum: 15.0 VDC
Measurement Duration Maximum:10 ms
Other Compliance Manufactured under ISO 9001:2015
EM ISO/IEC 17050:2010(CE Mark)
2014/30/EU
2011/65/EU
EN61326-1:2013
EN50581:2012

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