What is the lower limit of the calibration by comparison method for the Surface Scatter 7 analyzer?

Document ID

Document ID TE2227

Version

Version 2.0

Status

Status Published

Published Date

Published Date 27/05/2017
Question
What is the lower limit of the calibration by comparison method for the Surface Scatter 7 analyzer?
Summary
Surface Scatter 7 and calibration by comparison method.
Answer
Calibration by comparison is not recommended for turbidity measurements less than 2 NTU. The lower limit for the calibration cylinder method is 300 NTU.