What is the exact Temperature Coefficient Value to be set on a Conductivity Meter?

Dongzkie

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#1
hello guys need some advise here. Just want to ask if what is the exact temperature coefficient value to be set on the conductivity meter.
thanks in advance :)
 
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dwperron

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#2
Re: What is the exact Temperature Coefficient Value to be set on a Conductivity Meter

Conductivity solutions used to calibrate the meters are specified at 25.0 °C. If you measure at another temperature you will need to compensate based on the test sample temperature. Water has a value of about 2% per °C. There are charts and tables out there for the correction factors of various substances.

Most modern conductivity meters have an ATC (automatic temperature compensation) function that measures and corrects for the sample temperature, the assumption being that the major component is water (2%/°C). Otherwise you can enter a correction value based on the substance being measured to get a more accurate result.
 

v9991

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