NitraVis 70x IQ
Measurement / Operation
29
ba75951e03
05/2017
Flowchart
Fig. 4-3
Overview of
Sensortest/Zero adjustment and user calibration.
After cleaning several times
without significant change of
the sensor assesssment:
Carry out zero adjustment
Check user calibration
Sensor OK
Operating error or defective sensor
(Sensor blocked for measurement)
Sensor check
(Standard)
OK Error
-40 ... +40 < -40 or
> +40
Operating error or defective sensor
Zero adjustment
Error
OK
After several zero adjustments:
Reset to:
Factory zero adjustment or
last valid user zero adjustment
After several sensor checks:
Cleaning the sensor
Sensor check
(H2O dist.)
Assessment number
Rinse the measuring chamber
with ultrapure water several times
Clean the measurement windows
Carry out a sensor check (H2O)
TEST: MEASUREMENT WINDOWS
TEST: ELECTRONICS AND OPTICS
