KROHNE OPTISENS ODO2000, Руководство пользователя

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SERVICE
6
41
OPTISENS ODO 2000
www.krohne.com 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en
6.1 Maintenance
6.1.1 Cleaning
• Dirt deposits or trapped air on the optical disk may lead to erroneous results.
• Rinse the device thoroughly with tap water and only use a soft tissue to carefully remove
deposits from the optical disk. Do not wipe, but softly press it onto the black silicone of the
optical disk covering the luminophore otherwise the black silicone (sun protection) will be
destroyed.
• The sensor housing may be cleaned by scrubbing it with a suitable brush. Make sure you do
not touch or scratch the optical disk.
6.1.2 Recalibration
It is recommended to check the sensor in regular intervals. For this use holding it in the air or
putting it into sodium sulfite Na
2
SO
3
solution and verify the sensor. In case of the sensor is not
reaching the expected value clean the sensor and redo the check, if the sensor still does not
reach expected values do a calibration. For further information refer to
Calibration
on page 25.
INFORMATION!
The life time expectation of the sensor depends heavily on the application and if something that
might scratch the optical disk or something chemical aggressive is in the water (medium) to be
monitored.