KROHNE OPTISWITCH 3000C NAMUR EN - Manual (Page 22)

7.4 Instrument repair
If a repair is necessary, please proceed as follows:
You can download a return form from our website http://www.
krohne-mar.com/fileadmin/media-lounge/PDF-Download/
Specimen_e.pdf.
By doing this you help us carry out the repair quickly and
without having to call back for needed information.
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Print and fill out one form per instrument
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Clean the instrument and pack it damage-proof
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Attach the completed form and possibly also a safety data
sheet to the instrument
22 OPTISWITCH 3000 C - with NAMUR output
Maintenance and fault rectification
31355
-EN
-060830