Why does the DR900 meter "beep" when attempting to enter in a 4th calibration point?

Document ID

Document ID TE632

Version

Version 4.0

Status

Status Published

Published Date

Published Date 09/16/2019
Question
Why does the DR900 meter "beep" when attempting to enter in a 4th calibration point?
Answer
This indicates one of three things:
  • The absorbance is a duplicate of a previously entered standard
  • It falls between two previous standards
  • The concentration is outside the resolution selected.

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