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4. OPERATION PROCEDURES
Calibration Offset Function
Using calibration
offset
Calibration offset is function which can correct for any differences
discovered between actual chamber temperature (taken manually) and
the temperature displayed on the control panel (taken by built-in
sensor). Offset function can correct to either the positive or negative
side of the entire unit temperature range. Offset function can be set
or cancelled with the SUBMENU key.
①
Run unit in constant temperature mode. When temperature
stabilizes, guage chamber temperature with a thermograph.
②
Confirm whether there is difference between display
temperature (shown in top display) and chamber temperature,
as recorded by the thermograph. If a difference in temperature
values is confirmed, follow the procedure below.
③
Press the SUBMENU key. Select
, indicating
calibration offset, using the
▲▼ keys and press the ENTER
key.
④
Enter a value that brings temperature display (top display) and
chamber temperature into agreement, using the
▲▼ keys and
press the ENTER key. Example: if chamber temperature as
recorded by thermograph is 47
C and temperature in display
reads 50
C, in keeping with a temperature setting of also 50
C,
a value of -3 should be entered. This forces the unit to
compensate by
increasing
the temperature in the chamber by
3
C. This completes the setting, which is effective over entire
temperature range of unit.
In addition to the calibration offset function, BA series units have a
two-point offset function built in, which has some compensating
effects in low and high temperature zones. These offsets have
already been entered at the factory.
①
②
③
Negative
correction
Positive
correction
Current
temp
Summary of Contents for BA300
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