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CS625 Water Content Reflectometer (CS625WCR)
Inputs
Frequency (Freq)
Soil Temperature C (SoilTemp)
Outputs
Volumetric Water Content (VWC)
Description
This block is used to compute Volumetric Water Content (VWC) using a CS625 Water Content
Reflectometer sensor.
Wiring
The CS625 sensor’s output should be wired to the input of the 6461-1285 frequency divider. The
output of the divider should be connected to the input of the DIO module. A Frequency block is
used to measure the input frequency. Set the sample period of the Freq block to 200mS.
The VWC calculation can be compensated for the current soil temperature, if desired. To do so,
connect a block measuring the current soil temperature to the Soil Temperature input of the
CS625WCR block. You may choose to use a Const block (providing a constant value), if soil
temperature does not change enough to require additional compensation.
The diagram below shows a typical graphical setup of the CS625WCR block, compensated for
soil temperature using a constant value entered into the Const block. To compensate for soil
temperature using a measured value, replace the Const block with a sensor block configured to
measure the current soil temperature. To assume a constant soil temperature of 20 C, do not
connect any block to the Soil Temperature input.
Properties
Содержание Xpert2
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