Current to Voltage Converter Schematic Question

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  1. - 2nd October 2012, 13:24 #1
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    tufail74
    tufail74 is offline Junior Member
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    Default Re: Current to Voltage Converter Schematic Question

    Name: 4_20to0_5v.gif Views: 11684 Size: 5.9 KB

    It started with 4-20mA so a normal resistor will not provide 0-5V rather it would give 1-5V. This will decrease the accuracy to 20%.

    it seems to me, it is a standard current signal of 4-20mA.

    For this reason, you need to use op-amp. Have a look at the circuit.
  2. - 3rd October 2012, 14:10 #2
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    Charlie
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    Default Re: Current to Voltage Converter Schematic Question

    Quote Originally Posted by tufail74 View Post
    This will decrease the accuracy to 20%.
    Actually, it decreases the dynamic range, and is easily compensated for without op-amps.
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