Care and Maintenance
154 Cubis MSU User Manual
Safety Inspection
If there is any indication that safe operation of the balance is no longer warranted:
t Disconnect from the supply voltage: Unplug the power cord from the outlet.
t Secure the AC adaptor and cord so that they cannot be used.
Safe operation of the mass comparator with the AC adaptor is no longer ensured
when:
– The AC adaptor or the mains connecting lead shows visible damage.
– The AC adaptor no longer functions properly.
– Following extended storage in adverse conditions.
In this case, notify the Sartorius Service Center.
Maintenance and repair work may be performed only by authorized service
technicians who have access to the required maintenance manuals and instructions
and who have received the necessary training.
We recommend that the AC adaptor be inspected by a qualified service technician
with regard to the following:
– Leakage current: <0.25 mA measured with a properly calibrated multimeter.
– Insulation resistance >7ΜOhm as measured with a constant voltage of at least
500 volts at a 500 kOhm load.
The duration and number of checks should be determined by a qualified Sartorius
service technician on site based on specific ambient and operating conditions
(once a year as a minimum).
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