Turbidity - Xylem WTW Turb 750 IR Operating Manual

®
Turb 750 IR/T
Error message
Measured values
obviously incor-
rect
Measured value
display
< 0.01 FNU/NTU
ba77233e05 06/2023
6.2

Turbidity

Cause
– Cell not correctly inserted
– Cell contaminated
– Calibration too old
Cause
– Calibration defective
– Measured value outside the
measuring range
Remedy
– Lock the cell into place
– Clean the cell
– Carry out calibration
Remedy
– Carry out calibration
– Not possible
What to do if...
61