48
15
ALARM TEMPERATURE SETTING
This unit is provided with the high and low temperature alarm and the temperature at which the alarm is
activated is changeable.
The following procedure shows the setting of alarm temperature according to the condition below:
High temperature alarm: activates at the temperature 5
o
C higher than the chamber set temperature
Low temperature alarm: activates at the temperature 5
o
C lower than the chamber set temperature
Note:
The alarm temperature is set at the factory 10
o
C higher and lower than the chamber set temperature.
The available range of high/low temperature alarm is between 5
o
C and 20
o
C higher/lower than the
chamber set temperature.
Table 3 Procedure for setting high temperature alarm
Description of operation Key operated Indication after operation
1 -----
---- The current chamber temperature is
displayed.
2
Press numerical value shift key for
5 seconds.
The first digit is flashed.
3
Press numerical value shift key and
scroll the figure to 1.
When pressed, the figure of settable
digit increases.
4 Press set key. SET
The right digit is flashed.
Pressing the key shifts the digit which can be set.
5
Set the temperature to 005 with the
digit shift key and numerical value
shift key.
When pressed, the figure of settable
digit increases.
6 Press set key. SET
Alarm temperature is memorized and
the current chamber temperature is
displayed.
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