The DR900 meter "beeps" when attempting to enter in a 4th calibration point?

Document ID

Document ID TE632

Version

Version 2.0

Status

Status Published

Published Date

Published Date 27/05/2017
Question
The DR900 meter "beeps" when attempting to enter in a 4th calibration point?
Summary
DR900 meter "beeps" when entering a calibration point
Answer
This could mean that the absorbance is a duplicate of a previously entered standard or that it falls between two previous standards or that the concentration is outside the resolution selected.