LW Measurements MRW 33 Mid Resolution Washdown - Manual (Page 18)

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6 Maintenance and service
The weighing machine must be treated carefully and cleaned regularly. It is a precision instrument.
For maintenance-work, the balance must be separated from the power supply (remove power adapter
plug from socket). Also ensure that the balance cannot be reconnected to the power
supply during the work by a third party.
See Section 1.3 above regarding IP65. The scale may be washed down.
Never use solvents, acids, alkalis, paint thinners, scouring powders or other aggressive or corrosive
chemicals for cleaning, since these substances attack the surfaces of the scale housing and
can cause damage.