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Attached is a drawing that shows you how to power multiple external sensors with (1) AC-SENS-1 Power Supply.
Please note that the AC-SENS-1 can supply 12VDC to a maximum load of 400mA.
The ECH2O EC‐5 probe that is used in the S‐SMC‐M005 and W‐SMC soil moisture sensors can be used in a variety of soil and soil‐less media types, some of which require an adjustment to the probe cali