METER GROUP ECH2O GS 1 VOLUMETRIC WATER CONTENT SENSOR
Previously known as Decagon Volumetric Water Content Sensor
The GS1 is a ruggedized version of of the METER GROUP basic soil moisture sensor. It accurately measures volumetric water content in soil or soilless media. It distinguishes itself by longer lifetime, better soil-sensor contact and easier installation.
| SENSOR | METER GROUP ECH2O GS1 VOLUMETRIC WATER CONTENT SENSOR |
| Part No. | ECH-GS1 |
TECHNICAL SPECIFICATIONS
| Accuracy | Using a generic calibration: ± 0.03 m³/m³ (± 3% VWC) typical in mineral soils that have solution electrical conductivity < 10 dS/m. Using medium specific calibration, ± 0.01 – 0.02 m³/m³ (± 1 – 2% VWC) in any porous medium |
| Resolution | 0.001 m³/m³ VWC in mineral soils |
| Range | 0 to 57% VWC |
| Volume of influence | 690 cm³ / See comparison article |
| Measurement speed | 10 ms (milliseconds) |
| Sensor type | VWC: Frequency domain |
| Output | 1,000 to 2,500 mV |
| Operating environment | -40°C to 50°C |
| Power | 3.0 VDC to 15 VDC (absolute maximum) @ 15 mA |
| Cable length | Sensors come standard with 5 m cable. Custom cable lengths available. Maximum cable length of 75 m. |
| Sensor dimensions | 5.1 cm x 2.4 cm x 2.1 cm |
PESSL INSTRUMENTS GmbH
Werksweg 107, A-8160 Weiz, Austria
Tel: +43 (0) 3172 5521, Fax: +43 (0) 3172 5521 23
E-mail: sales@metos.at, Webpage: www.metos.at
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