Endress+Hauser Oxymax COS61D, Руководство по эксплуатации

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Commissioning Oxymax COS61D
24 Hauser
8 Commissioning
8.1 Function check
Prior to initial commissioning, ensure that:
• The sensor is correctly installed
• The electrical connection is correct
If using an assembly with automatic cleaning function:
‣
Check that the cleaning medium (water or air, for example) is connected correctly.
L
WARNING
Escaping process medium
Risk of injury from high pressure, high temperatures or chemical hazards!
‣
Before applying pressure to an assembly with cleaning system, ensure that the system
has been connected correctly.
‣
If you cannot reliably establish the correct connection, do not install the assembly in
the process.
Following commissioning, the sensor must be serviced at regular intervals, as only
then can reliable measurement be guaranteed.
Operating Instructions for the transmitter used, such as BA01245C if using the
Liquiline CM44x or CM44xR.
8.2 Sensor calibration
The sensor is calibrated at the factory. A new calibration of the slope is only required after
replacing the sensor cap and in special situations.
A new calibration of the zero point is only required in special situations.
8.3 Cleaning the sensor automatically
Compressed air is most suitable for cyclic cleaning. The cleaning unit is either supplied or
can be retrofitted, and is screwed onto the sensor head. It operates at a capacity of
20-60 l/min. Optimum results are achieved at 2 bar (29 psi) and 60 l/min.
Recommended 115 V compressed air cleaning unit:
Order No.: 71194623
The following settings are recommended for the cleaning unit:
Type of soiling Cleaning interval Cleaning duration
Media containing grease and oils 15 min 20 s
Biofilm 60 min 20 s