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Calibration using a weight – A&D Weighing SJ-30KWP User Manual

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10.3. Calibration using a weight

Prepare a weight, preferably a weight with the same value as the weighing capacity of
the scale to be calibrated. Note that the calibration weight value can be changed.

1. Turn the power ON and warm up the scale for at least half an hour.

Change the function setting “

poff

” or place something on the weighing pan to

disable the auto power-off function.

2. Refer to “10.1. Calibration mode” to enter the

calibration mode. The gravity acceleration value is
displayed.

3. Tap the

UNITS

switch and the scale displays “

Cal

”.

4. Tap the

TARE

switch, then “

Cal 0

” is displayed.

Confirm that nothing is placed on the weighing pan and
wait for the STABLE indicator to turn on.

5. Tap the

TARE

switch. The scale calibrates the zero

point and displays the value of the calibration weight
(SPAN calibration).

The calibration weight value is equal to the weighing

capacity. (factory setting)

If SPAN calibration is not to be performed, turn the

power OFF to exit from the calibration procedure.

6. To calibrate with a weight different from the weighing

capacity, change the displayed value using the
following switches.

UNITS

To shift the digit that is blinking to the

right.

SAMPLE

To increase the value of the blinking

digit by one.

Using a weight with the same value as the weighing

capacity is recommended. If other weights are used,
use one with a value greater than two-thirds of the
capacity.

7. Place the calibration weight with the same value as

displayed on the weighing pan, and wait for the
STABLE indicator to turn on.

8. Tap the

TARE

switch. The scale calibrates SPAN and

end

” is displayed. Then, the display returns to “

Cal

”.

To finish the procedure, touch the

switch or

press the

CAL

switch. The scale turns the power

OFF.


Note: If the scale will be moved to another location, set the gravity acceleration

value for the present location first and calibrate the scale using a weight.
Then, change the gravity acceleration value for the new location.

Tap

Tap

Tap

Tap

Tap

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