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c) Measure the mass of the sample in air:
Put the sample on the weighing pan.
d) Write down the mass of the sample in air.
e) Remove the sample from the balance.
f) Measure the mass of the sample in solid:
Put the sample in the container of liquid.
g) Write down the mass of the sample in liquid.
h) Calculate the sample density with the data above.
RS232 Communication
Communication with Computer
The balance keyboard functions can be accessed via the RS232 interface. The
following commands are available:
U
:
Unit ……… units conversion
T
:
Tare ……… deduct the tare weight
C
:
Cal ……… calibration with external standard weight
P
:
Print ……… print function
%
:
% ……… percent function
#
:
# ……… instant print
M
:
Count……… counting function
When a balance is connected to a computer, it is suggested that immediate print (#)
be used. In response to this command the balance will transmit whatever number or
message appears on the balance display. The string format output is shown below:
A B C D E F G H I J K L M
A
:
+/- signs field; display shows a space when it is a positive number, - is displayed
when it is a negative number.
OPD-A Series
User Manual / Using Scale
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Содержание OPD-A Series
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