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  1. S

    4-20mA circuit issue

    Hi, Thank you for the prompt reply, the scaling is working fine, infact there is no issue with the circuit. my issue is, I dont want the current to fall below 4mA. according to the circuit, i get 4mA when TP4 is at 0mV, but when sensor drifts, TP4 goes into negative voltage usually -20mV to...
  2. S

    4-20mA circuit issue

    Hi, I have a circuit which gives 4-20mA current, however the as the sensor drift the current also drift below 4mA (which is ideally correct ). however, i want to restrict the current to 4mA , i.e. the current should increase from 4mA to 20mA but should not go below 4mA incase of drift in...
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