60 Operating Instructions Cubis
®
MCE
Operation
8.5 Weighing
Procedure
t Zero the device.
t If necessary, place a container for the sample on the device.
t To compensate the weight of the container: Tare the device. To do so,
press the [Tare] key.
t If a container is used for the sample: Place the sample in the container.
t If no container is used for the sample: Place the sample on the weighing
pan.
t Once the weight value no longer changes and the weighing unit is
displayed: Read off the measured value.
8.6 Overview of Calibration, Adjustment, and
Linearization
During calibration, a calibration weight is used to determine how much the
displayed value deviates from the actual value. This deviation is compared
against a preset target value. The subsequent adjustment eliminates this
deviation. During linearization, the deviation of the values from the ideal
characteristic curve is corrected.
Calibration and adjustment must be performed regularly:
− Daily, every time the device is switched on
− After every leveling
− After changing the ambient conditions (temperature, humidity, or air
pressure)
− After setting the device up at a new installation site
Calibration and adjustment may be performed in different ways:
− Adjusting with the isoCAL function
− Internal or external calibration or adjustment
− For semi-microbalances and analytical balances: Internal linearization
Only internal calibration | adjustment is possible for all conformity-assessed
devices in legal metrology.
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