KERN ALJ 160-4A Operating Manual

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KERN ALJ 160-4A Operating Manual Manual pdf 22 page image

ALJ/ALS/PLJ/PLS-BA-e-1135226.7 Connection of peripheral devicesBefore connecting or disconnecting of additional devices (printer, PC) to the datainterface, always disconnect the balance from the power supply.With your balance, only use accessories and peripheral devices by KERN, as theyare ideally tuned to your balance.6.8 Initial CommissioningIn order to obtain exact results with the electronic balances, your balance must havereached the operating temperature (see warming up time chap. 1).During this warming up time the balance must be connected to the power supply(mains, accumulator or battery).The accuracy of the balance depends on the local acceleration of gravity.Strictly observe hints in chapter Adjustment.6.8.1 Stability displayIf the display shows the stability display [] the balance is in a stable status. If thestatus is instable the [] display disappears.6.8.2 Balance zero displayIf an exact zero reading is not displayed on the balance in spite of the weighing dishbeing empty, press the TARE button and the balance will start resetting to zero [ O ].7 AdjustmentAs the acceleration value due to gravity is not the same at every location on earth,each balance must be coordinated - in compliance with the underlying physicalweighing principle - to the existing acceleration due to gravity at its place of location(only if the balance has not already been adjusted to the location in the factory). Thisadjustment process must be carried out for the first commissioning, after eachchange of location as well as in case of fluctuating environment temperature. Toreceive accurate measuring values it is also recommended to adjust the balanceperiodically in weighing operation. Observe stable environmental conditions. A warming up time (see chapter 1)is required for stabilization. Ensure that there are no objects on the weighing plate.