Calibration With An Actual Load (Cal5Et) - A&D AD-4408A Instruction Manual

7.2. Calibration With an Actual Load (Cal5et)

Calibration is performed using a calibration weight
Before performing calibration for the first time, set the unit, decimal point position,
minimum division and weighing capacity in the calibration-related function mode.
NOTE: To avoid drift caused by changes in temperature, warm up the indicator for
ten minutes or more before performing calibration with an actual load.
Step 1 Press the ON/OFF key to turn the indicator ON (weighing mode) if it is in the
OFF mode.
Remove the CAL key cover and press the CAL key.
CalL is displayed to indicate that the indicator enters the calibration mode.
Step 2 Press the ENTER key to display Cal5et . The indicator enters the mode of
calibration with an actual load. To go back to the weighing mode, press the ESC
key.
Zero calibration
Step 3 Press the ENTER key to display Cal 0 .
If zero calibration is not to be performed, press the F key and go to step 5.
To monitor the current weight value, press the CAL key. Press the CAL key
again to display CalL 0 .
Step 4 With nothing placed on the load cell, wait for the stabilization indicator to turn
ON and press the ENTER key. - - - - - - is displayed for approximately two
seconds.
If span calibration is not to be performed, press the ESC key twice to return to
the weighing mode.
Span calibration
Step 5 Press the ENTER key when Cal5pn is displayed.
The calibration weight value (the weighing capacity currently set) is displayed
and the least digit of the value blinks.
< > ∧ ∨ keys: Press to correct the value to the value of the calibration weight
CAL key
ESC key
Step 6 Place a calibration weight on the load cell. Wait for the stabilization indicator to
turn ON and press the ENTER key. - - - - - - is displayed for approximately
two seconds.
AD-4408A
used.
: Press to monitor the current value (the gross weight) and
press again to display the calibration weight value.
: Press three times to go back to the weighing mode without
performing span calibration.
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