Why does the TNT919 vial give an error message "Blank value correction not possible"?

Document ID

Document ID TE7999

Published Date

Published Date 03/22/2019
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Question
Why does the TNT919 vial give an error message "Blank value correction not possible"?
Summary
TNT919 Blank Value correction not possible
Answer
When using the Sample Blank Vials for TNTplus Vial Test (Product # TNT919), the message " Blank value correction not possible " indicates that there is not a valid reading for the TNTplus vial that is being corrected. The TNTplus chemistry must be completed and a positive value obtained in order to have a sample blank subtracted. 

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