Basic Information (General); Proper Use; Improper Use; Warranty - KERN EWJ Operating Instructions Manual

4 Basic Information (General)

4.1 Proper use

The balance you purchased is intended to determine the weighing value of material to
be weighed. It is intended to be used as a "non-automatic balance", i.e. the material to
be weighed is manually and carefully placed in the centre of the weighing plate. As
soon as a stable weighing value is reached, the weighing value can be read.

4.2 Improper Use

• Our balances are non-automatic balances and not provided for use in dynamic
weighing processes. However, the balances can also be used for dynamic weighing
processes after verifying their individual operative range, and here especially the
accuracy requirements of the application.
• Do not leave permanent load on the weighing plate. This may damage the meas-
uring system.
• Impacts and overloading exceeding the stated maximum load (max) of the balance,
minus a possibly existing tare load, must be strictly avoided. Balance may be da-
mage by this.
• Never operate the balance in explosive environment. The serial version is not ex-
plosion protected.
• The structure of the balance may not be modified. This may lead to incorrect weigh-
ing results, safety-related faults and destruction of the balance.
• The balance may only be used according to the described conditions. Other areas
of use must be released by KERN in writing.

4.3 Warranty

Warranty claims shall be voided in case:
• Our conditions in the operation manual are ignored
• The appliance is used beyond the described uses
• The appliance is modified or opened
• Mechanical damage or damage by media, liquids, natural wear and tear
• The appliance is improperly set up or incorrectly electrically connected
• The measuring system is overloaded
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