Cleaning the Weighing Chamber and
Draft Shield
§ Open the draft shield cover and take out
the removable parts
§ Use a hand-held vacuum cleaner and
mini-hose to remove any powdered sample
material carefully.
§ Use blotting paper to remove any liquid sam-
ple material.
§ On models with a 3-sided draft shield,
pull the 3 draft shield walls upwards to
remove, if necessary.
Safety Inspection
If there is any indication that safe operation
of the balance/scale with the AC adapter
is no longer warranted:
§ Turn off the power and disconnect the
equipment from AC power immediately
> Lock the equipment in a secure place
to ensure that it cannot be used for the
time being
Safe operation of the balance/scale with the
AC adapter is no longer ensured when:
– there is visible damage to the AC adapter.
– the AC adapter no longer functions properly.
– the AC adapter has been stored for a relatively
long period under unfavorable conditions.
Maintenance and repair work may be
performed only by service technicians who are
authorized by Sartorius and who
– have access to the required maintenance man-
uals.
– have attended the relevant service
training courses.
We recommend having the power supply
inspected by a certified electrician at
regular intervals, according to the checklist
given below:
– Insulating resistance > 7 megaohms measured
with a constant voltage of at least 500 V at a
500 kohm load
– Leakage current: < 0.05mA measured with a
properly calibrated multimeter
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