KERN MBC-M Operating Instructions Manual

Also see for MBC 15K2DM: Operating instructions Operating instructions Operating instructions

34 MBC-M-BA-e-131215 AdjustmentAs the acceleration value due to gravity is not the same at every location on earth,each display unit with connected weighing plate must be coordinated - in compliancewith the underlying physical weighing principle - to the existing acceleration due togravity at its place of location (only if the weighing system has not already beenadjusted to the location in the factory). This adjustment process must be carried outfor the first commissioning, after each change of location as well as in case offluctuating environment temperature. To receive accurate measuring values it is alsorecommended to adjust the display unit periodically in weighing operation.Prepare the required adjustment weight. The adjustment weight to beapplied depends on the capacity of a weighing scale, see chap. 1.Carry out adjustment as closely as possible to admissible maximumload of weighing scale. Information about test weights you will find in theinternet under http://www.kern-sohn.comObserve stable environmental conditions. For warm-up time required forstabilisation see chpt 1.Access to service menu „tCH“is locked in verified balances.To disable the access lock, destroy the seal and actuate the adjustmentswitch. Position of the adjustment switch see chap. 13.Attention:After destruction of the seal the weighing system must be re-verified by anauthorised agency and a new verification wire/seal mark fitted before it canbe reused for applications subject to verification.

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