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11. MAINTENANCE AND GUARANTEE
The ND20 meter does not require any periodical maintenance.In
case of some incorrect operations:
After the dispatch date and in the period stated in the guarantee card:
One should return the instrument to the Manufacturer’s Quality In-
spection Dept.
If the instrument has been used in compliance with the instructions,
we guarantee to repair it free of charge.
The disassembling of the housing causes the cancellation of the
granted guarantee.
After the guarantee period:
One should turn over the instrument to repair it in a certified service
workshop.
Our policy is one of continuous improvement and we
reserve the right to make changes in design and speci-
fications of any products as engineering advances or
necessity requires and to revise the above specifications
without notice.
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