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  • News
  • August 14, 2021


Something which is continuously changing, for example temperature, pressure or level. In remote monitoring and instrumentation analogues are usually signals from sensors or transmitters and in the form of 4-20 milliAmps or 0-10 Volts.

The tank level for example could be represented by 4mA = 0 litres, 20mA = 50,000 litres.