A&D HR-250AZ, Инструкция по эксплуатации

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8-2 Calibration Using the Internal mass
(One-Touch
Calibration, only for the HR-AZ series )
This function calibrates the balance using the internal mass. The only operation required is to press
the CAL key.
Note
Level the balance by adjusting the leveling feet and confirm that the bubble is in the center of
the spirit level.
Poor level adjustment may cause a calibration error while using the internal mass.
Operation
1 Connect the AC adapter and warm up the balance for at least one hour with nothing on the
weighing pan.
2 Place the provided large breeze break on the balance and press the CAL key.
3 The balance displays
Calin
and performs calibration using the internal mass. Do not allow
vibration or drafts to affect the balance.
4 The balance displays end after calibration. If the “GLP output ( info )” parameter of the
function table is set to “
1
” or “
2
”, the balance displays
glp
and outputs “Calibration Report”
using the RS-232C interface or stores the data in memory. For details on the calibration report
format, refer to “11-2 GLP Report”.
5 The balance will automatically return to the weighing mode after calibration.
About the internal mass
The mass of the internal mass may change due to corrosion or other damage caused by the
operating environment, or due to aging. Check the internal mass periodically. Correct the internal
mass value as necessary. For details, refer to “8-4 Correcting the internal mass value: 1” and “8-5
Correcting the internal mass value: 2”.
To maintain the weighing accuracy, perform the internal mass value correction periodically.