A&D BM series Instruction Manual page 27

Zero operation, tare operation and weighing range
When weighing is started
The balance will determine the reference zero point when the
the weighing mode.
Depending on the load condition at that time, the balance will automatically judge whether to
perform zero or tare operation. The condition for determining which is used is "power on zero
range", and when power on zero range is exceeded, the tare operation is performed.
Re-zero operation
By pressing the
The re-zero operation with the
tare operation.
The condition for determining which is used is "zero range", and when zero range is exceeded, the
tare operation is performed.
Weighing range
The range that the balance can weigh varies depending on the model.
When the total amount (net weight + tare weight) displayed for each model exceeds the maximum
display, is displayed to indicate that the weighing range is exceeded.
E
When exceeded in the negative direction,
Model Power on zero range
BM-20
Approx. ±2.2 g
BM-22
BM-252
Approx. ±25 g
BM-500
Approx. ±52 g
BM-300
Approx. ±32 g
BM-200
Approx. ±22 g
BM series
key, the display can be set to zero.
RE-ZERO
RE-ZERO
key will automatically judge whether to perform zero or
is displayed.
-E
Zero range
Approx. -3.0 g to +0.4 g
Approx. -37 g to +5.0 g
Approx. -37 g to +10.4 g
Approx. -37 g to +6.4 g
Approx. -37 g to +4.4 g
25
key is pressed to enter
ON:OFF
-E display range
Approx. –3 g
Approx. -37 g