Hach-Lange DR 6000 User Manual - Manual (Page 149)

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Section 11 Warranty, liability and complaints
The manufacturer warrants that the product supplied is free of
material and manufacturing defects and undertakes the obligation
to repair or replace any defective parts at zero cost.
The warranty period for instruments is 24 months. If a service
contract is taken out within 6 months of purchase, the warranty
period is extended to 60 months.
With the exclusion of further claims, the supplier is liable for
defects including the lack of assured properties as follows: All
those parts that, within the warranty period calculated from the
day of the transfer of risk, can be demonstrated to have become
unusable or that can only be used with significant limitations due
to a situation present prior to the transfer of risk, in particular due
to incorrect design, poor materials or inadequate finish will be
improved or replaced, at the supplier's discretion. At the
discretion of the supplier, these deficiencies will be corrected or
the instrument replaced. The identification of such defects must
be reported in writing to the supplier immediately, however at the
latest seven days after identification of the fault. If the customer
omits this notification, the performance is considered approved
despite the defect. A further liability for any indirect or direct
damages does not exist.
If equipment-specific maintenance and servicing work defined by
the supplier is to be performed within the warranty period by the
customer (maintenance) or by the supplier (servicing) and these
requirements are not carried out, claims for damages are
rendered void due to the failure to comply with the requirements.
Further claims, in particular for consequential damages, cannot
be made valid.
Wear parts and damages that arise through improper handling,
incorrect installation or non-regulatory use are excluded from this
clause.
The instruments of the manufacturer are of proven reliability in
many applications and are therefore often used in automatic
control loops to provide the most economical possible operation
of the related process.
For the avoidance or limitation of consequential damage, it is thus
recommended to design the closed control loop so that the
malfunction of a device automatically effects a switch to the
backup control, which represents the safest operating state for
the environment and process.