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Maintenance and troubleshooting
Type 8098
19.2
Information on returning the device to the
manufacturer or to the reseller
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To return the device for calibration or any after sales service, use the original packaging.
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Send the device back to your local Bürkert sales office. The addresses of our international sales offices
are available on the internet at
19.3
Cleaning the outer surface of the device
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Always use a cleaning agent compatible with the materials from which the device is made.
The outer surface device can be cleaned with a cloth slightly dampened water or with a detergent com-
patible with the materials the device is made of.
Please feel free to contact your Bürkert supplier for any additional information.
19.4
Cleaning In Place (CIP) of the device
The measurement tube of the device can be cleaned in place in all the applications the device is used in.
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Do the cleaning in place procedure at appropriate intervals to prevent malfunctions or contamination.
NOTICE
The device and the seals used on the process connections can be damaged by the cleaning agents or
the disinfecting agents.
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Use cleaning agents or disinfecting agents with a concentration that is compatible with the material the
measurement tube is made of.
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Check the chemical compatibility of the cleaning agents or disinfecting agents with the materials of the
seals used on the process connections.
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For more information on the chemical compatibility and the cleaning temperatures contact your local
Bürkert sales office.
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Obey the cleaning in place procedure that is suited for your application.
Procedure for the cleaning in place of the device:
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Rinse the measurement tube with water of the best quality available in the factory (ideally, water for
injection or purified water) under the following conditions:
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at a temperature between 50 °C and 75 °C,
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at a flow velocity between 1.5 m/s and 2.1 m/s,
- for a duration that is determined by your CIP recipe.
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Prepare one or two cleaning agents at concentrations and with chemical properties that have proven
their effectiveness on the residues to be removed. Make sure the concentration of the cleaning agent
does not damage stainless steel 316L.
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Let the cleaning agent circulate through the measurement tube under the following conditions:
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at a temperature between 50 °C and 75 °C,
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