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The CS625-L measures the volumetric water content of porous media using time-domain measurement methods that are sensitive to dielectric permittivity.  The CS625 sensor is similar to our CS616 probe but is for the CR200-series dataloggers. The CS625 has a 0 to 3.3 V square wave frequency output.


Developed for use with our CR200-series dataloggers
Measures volumetric water content using time-domain reflectometry methods
Designed for long-term unattended water content monitoring
Accuracy ±2.5% VWC using standard calibration
Resolution better than 0.1% VWC Measurement time is <500 microseconds


Probe-to-Probe Variability: ±0.5% VWC in dry soil, ±1.5% VWC in typical saturated soil
Accuracy: ±2.5% VWC using standard calibration with bulk electrical conductivity of ≤0.5 dS m-1, bulk density of ≤1.55 g cm-3, and measurement range of 0% VWC to 50% VWC
Precision: 0.1% VWC
Resolution: 0.1% VWC
Output: 0 to 3.3 V square wave with frequency dependent on water content
Current Drain : 65 mA @ 12 Vdc (when enabled); 45 μA (quiescent typical)
Power Supply Voltage: 5 Vdc minimum; 18 Vdc maximum
Enable Voltage: 4 Vdc minimum; 18 Vdc maximum

Producing Area:USA

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