Voltage logging

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Jo Mulder
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Joined: Mon Nov 07, 2011 10:57 am

Voltage logging

Post by Jo Mulder » Mon Nov 07, 2011 11:21 am

Good Day

I have the following setup:
I have 12 pressure transmitters from which I would like to log the pressure in real time. I'm looking
at your ADC-20 or ADC-24 units. These transmitters are ratio metric therefore I need to log both the input
and output voltage from each sensor. However some transmitters uses the same input voltage therefore
I only need to log 18 points. The input voltage for each sensor is approximately 5V and the output voltages
between 0.5V and 4.5V.

Can you please advise me on the following:
1) Can the ADC-20/ADC-24 units handle these voltages?
2) What is the accuracy of both these units? Is there a difference between the units regarding accuracy? How will
the accuracy be affected when voltage dividers is used?
3) At what time intervals does this units take readings?

I would appreciate any advice.

Thank You

Martyn
Site Admin
Site Admin
Posts: 3333
Joined: Fri Jun 10, 2011 8:15 am
Location: St. Neots

Re: Voltage logging

Post by Martyn » Tue Nov 08, 2011 8:10 am

Please check the manual which can be downloaded from

http://www.picotech.com/document/pdf/adc20.en-3.pdf

this contains all the information you need.
Martyn
Technical Support Manager

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