A&D BM-252 - Calibration Test Using the Internal Mass

BM series 39
8.4. Calibration Test Using the Internal Mass
This function checks the accuracy of weighing using the internal mass.
Calibration test does not perform adjustment.
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 CC in is
displayed, then release the key.
3 The balance measures the zero point.
Prevent vibration and drafts to affect the balance.
4 The measured zero point data is displayed.
5 The balance measures the internal mass.
Prevent vibration and drafts to affect the balance.
6 The value of the internal mass is displayed.
The normal range of the value is as follows:
Model Internal mass Normal range
BM-20, BM-22 20.00000 g ±0.02 mg
BM-252, BM-500
BM-300, BM-200
200.0000 g ±0.2 mg
7 glp is displayed and the calibration test report is output
to the RS-232C interface and is stored in memory. Refer to
"GLP output (info)" and "Data memory (data)" of the
function table.
end is displayed after the calibration test.
8 The balance automatically returns to the weighing mode.
Press and hold
Release
GLP outpu
t