Calibration Test Using An External Weight - A&D GF-30K Instruction Manual

8-5. Calibration Test Using An External Weight

This function tests the weighing accuracy using an external
weight and outputs the result. This is available only when
the "GLP output (
(Calibration test does not perform calibration)
Step 1 Connect the AC adapter and warm up the balance
for at least 30 minutes with nothing on the weighing
pan.
Step 2 Press and hold the
displayed, then release the key.
Step 3 The balance displays
If you want to change the target weight, press
the
SAMPLE
A list of usable weights is shown on page 25.
If you use the target weight value stored in
the balance, go to step 5.
Step 4 Specify the target weight value as follows:
key ... To switch the display condition to: "All of the
SAMPLE
segments blinking" (target weight selection
mode) or "The last two digits blinking" (value
adjustment mode).
key . To select the target weight or adjust the value.
RE-ZERO
In the value adjustment mode, -15 digits
appear after +15 digits.
key ...... To store the new weight value. Even if the AC adapter is
PRINT
removed, the data is maintained in non-volatile memory.
key ......... To cancel the operation and return to
CAL
Step 5 Confirm that there is nothing on the pan and press
the
PRINT
point and displays the measured value. Do not
allow vibration or drafts to affect the balance. The
balance displays the target weight value.
Step 6 Place the displayed target weight on the pan and
press the
target weight and displays the measured value. Do
not allow vibration or drafts to affect the balance.
Step 7 The balance displays
Remove the weight from the pan.
Step 8 The balance displays
test report" using the RS-232C interface or stores the
calibration test data in memory. Refer to "11-2 GLP
Report" of the function table for details.
Step 9 The balance will automatically return to the weighing mode.
)" parameter is set to "
info
key until
CAL
CC 0 .
key and go to step 4.
key. The balance measures the zero
key. The balance measures the
PRINT
.
end
and outputs "calibration
glp
" or " ".
1 2
is
CCout
.
CC 0
28
Press and hold
Select
Example:
New weight
10001.2 g
Place weight
Remove
GLP output
Release