What can be done if a Pocket Colorimeter II reads much higher on chlorine SpecChecks than the certificate states?

Document ID

Document ID TE118

Published Date

Published Date 12/10/2018
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Question
What can be done if a Pocket Colorimeter II reads much higher on chlorine SpecChecks than the certificate states?
Answer
Be sure that you are using the correct range for your SpecCheck set.  There are different ranges for the Chlorine SpecChecks:

-Low Range (LR) - Product # 2635300
-Mid Range (MR) - Product # 2980500
-High Range (HR) - Product #  2893300

SpecChecks are range specific and the certificate values should only be compared using the correct range on the instrument.

If your instrument is not reading correctly with the right SpecChecks for your range, attempt a factory reset as described in the users manual or contact technical support by completing the Ask a Question form.

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