A&D HR-202i, Instruction Manual

Page: 23 / 62

21
8.2.
Calibration Using an External Weight
This function calibrates the balance using an external weight.
1 Connect the AC adapter and warm up the balance for at
least one hour with nothing on the weighing pan.
2 Press and hold the
CAL
key until
Calout
is
displayed, then release the key.
3 The balance displays
Cal 0
.
If you want to change the calibration mass, press
the
RANGE
key and proceed to step 4.
If you use the calibration mass value stored in the
balance, proceed to step 5.
4 Specify the calibration mass value as follows:
RANGE
key........ The key to switch blinking figures.
RE-ZERO
(+)key ... The keys to select the calibration mass or
adjust the mass value. Refer to page 20.
PRINT
key.......... The key to store the new mass value.
Even if the AC adapter is removed, the
data is maintained in non-volatile memory.
CAL
key ............. The key to cancel the operation and
return to
Cal 0
.
5 Confirm that there is nothing on the pan and press the
PRINT
key. The balance measures the zero point.
Do not allow vibration or drafts to affect the balance.
The balance displays the calibration mass value.
6 Place the displayed calibration weight on the pan and press
the
PRINT
key. The balance measures the calibration
mass. Do not allow vibration or drafts to affect the balance.
7 The balance displays
end
. Remove the weight from the pan.
8 If the "GLP output (
info
)" of the function table is set to
1
or
2
,
the balance displays
glp
and outputs "Calibration Report".
Refer to "11.2. GLP Report" for details.
9 The balance will automatically return to the weighing mode.
10 Place the calibration weight on the pan and confirm that
the value displayed is correct. If it is not within the range,
check the ambient conditions such as breeze and vibration
also check the weighing pan. Then, repeat steps 1 to 10.
Release
Select
Example:
New weight
100.0012 g
Place weight
Remove
GLP output
Press
and
hold
Specify
MODE
(-)key