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From: David Brown on 25 Nov 2009 03:57
johnydep wrote:
> We are using Fuel sensor of Capacitence level transmitter which takes input
> 24 volts and gives output as 4-20 ma. When I am converting 4 ma to 20 ma
> using 250 resistor, converting into voltages.
>
> We are getting 10 values 4 ma to 5 ma ex: 4.1,4.2,4.3 etc..,
>
> When we are converting to voltages and taking adc values, adc values are
> rapidly changing. I am unable to note the adc values.
>
> Please help me from this problem.
>

It's the same solution as for most electronics problems - use a bigger
capacitor.
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