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CS616-L

Campbell

The CS616 Water Content Reflectometer measures the volumetric water content from 0% to saturation. It uses time-domain measurement methods, but a reflectometer (cable tester) such as the TDR100 is not required.

The probe consists of two 30 cm long stainless steel rods connected to the measurement electronics. The probe rods can be inserted from the surface or the probe can be buried at any orientation to the surface.

Features

Compatible with CR510, CR10X, CR800, CR1000, CR3000, CR23X, and CR5000 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
Can multiplex up to 48 CS616 probes with AM16/32

Specifications

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: 0.05% VWC
Resolution: 0.1% VWC
Output: ±0.7 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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