Using the CSI AM416 or AM16/32 Multiplexer with EC-5, -10, and -20 Soil Moisture Sensors (13398-01 AN)

July 6, 2007 by Colin S. Campbell

• Products:
  • EC-5 Soil Moisture Sensor,
  • Soil Moisture Sensors,
  • Sensors,
  • ECH2O-10,
  • Discontinued Products,
  • ECH2O-20,
  • Campbell Scientific Data Logger Programming

Multiplexers are a popular solution for measuring a large number of sensors with a single datalogger. Although conceptually straightforward, care must be taken in wiring the multiplexer to ensure that all sensors are properly grounded or measurements may be susceptible to considerable electronic interference.

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