wtw DIQ/S 182-MOD, System Operating Manual

Page: 70 / 150

Operation System 182
4 - 10 ba75504e07 04/2012
Recommended
proceeding for cleaning,
maintenance and repair
Automatic switch-on of
the maintenance
condition
The maintenance condition for IQ sensors is automatically activated

during calibration. After calibration the IQ sensor remains in the
maintenance condition until the maintenance condition is switched
off manually (see section 4.5)

during a compressed-air cleaning cycle. After the cleaning cycle is
finished the maintenance condition is automatically switched off
again.
1 Switch on the maintenance condition for the IQ sensor. The
measured value display flashes.
2 Pull the sensor out of the sample.
3 Carry out the cleaning, maintenance or repair (removal and
replacement) of the sensor.
4 Submerse the sensor in the sample again.
5 Wait until the measured value does no longer change.
6 Switch off the maintenance condition for the sensor. The
display of the sensor in the measured value display does no
longer flash.