Is the DR900 calibrated and certified using primary standards?

Document ID

Document ID TE941

Published Date

Published Date 07/27/2022
Question
Is the DR900 calibrated and certified using primary standards?
Summary
DR900 calibration
Answer
To certify and calibrate the DR900, absorbance standards like the DR/Check Absorbance Standard Kit (Set of 4) ; Product # 2763900 are used along with other absorbance filters that are not available for sale. Individual programs are not tested with primary standards.

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