A&D BM-20, Manual

Page: 26 / 100

24 BM series
6.4.
Percent Mode (%)
The percent mode displays the weight value in percentage compared to a 100% reference mass
and is used for target weighing or checking the sample variance.
Selecting the percent mode
1 Press the
MODE
key to select the unit
%
(Percent mode).
If the percent mode can not be selected, refer to "
5. Weighing Units
".
Storing the 100% reference mass
2 Press the
RANGE
key to enter the 100% reference mass
storing mode.
3 Place a tare (container) on the weighing pan, if necessary.
Press the
RE-ZERO
key to cancel the weight (tare).
The balance displays
100 0 %
.
4 Place the sample to be set as the 100% reference mass on
the pan or in the container.
5 Press the
PRINT
key to store the reference mass.
The balance displays
100.00 %
.
Note
The decimal point position can be changed by the 100% mass.
BM-252
,
BM-500
BM-300
,
BM-200
BM-20
,
BM-22
100% mass
Minimum
display
100% mass
Minimum
display
0.0100 g to 0.0999 g 1 % 0.00100 g to 0.0099 g 1 %
0.1000 g to 0.9999 g 0.1 % 0.01000 g to 0.0999 g 0.1 %
1.0000 g to 0.01 % 0.10000 g to 0.01 %
If the balance judges that the mass of the sample is too light
(under 0.01g) to be used as a reference, it displays
lo
.
A 100% reference mass can be stored in the non-volatile
memory and is maintained even if the AC adapter is removed.
6 Remove the sample.
Reading the percentage
7 Place a sample to be compared to the reference mass on
the pan. The displayed percentage is based on the 100%
reference mass.
100% mass
Place sample
Percentage
Weighing pan
Tare
(Container)