Re: [ts-7000] 4-20mA Current Measurement

[David Hawkins <>]

ugumugu wrote:
> Dear Friends,
>
> Is there a simple way to read values from sensors that outputs 4-20mA.
>
> Best Regards.
> ugurtan

Sure:

1. Simple: a resistor :)
2. Better: Op-amp or instrumentation-amp and resistors

Look on analog devices for their Op-amp applications book, and
their instrumentation amplifiers guide.

A Designer’s Guide to
Instrumentation Amplifiers
3RD Edition

eg. see p102 for an in-amp based circuit.

Op amp applications
Walter G. Jung

TI has a good one too Op-amps for everyone, by Ron
Mancini.

Cheers,
Dave



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