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17
TEMPERATURE SETTING
Alarm temperature setting
This unit is provided with both high and low temperature alarms. The temperature at which the alarm is
activated may be changed.
The available set range for high temperature alarm is between +5
o
C and +15
o
C, and -5
o
C and -15
o
C for
low temperature alarm against the chamber temperature.
Note: The temperature alarm is set at 10
o
C of the set temperature at the factory.
Display Mode Function
High temperature alarm set See Table 5 on page 18
Low temperature alarm set See Table 5 on page 18
As an example, Table 3 shows the procedure to set the high temperature alarm so that the alarm can
activate when the chamber temperature is 5
o
C higher than the set temperature.
Table 4 shows the procedure to set the low temperature alarm so that the alarm can activate when the
chamber temperature is 5
o
C lower than the 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 key for 5 seconds.
The first digit is flashed.
3
Press 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
key and 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.
Table 4. Procedure for setting low temperature alarm
Description of operation Key operated Indication after operation
1
---- The current chamber temperature is
displayed.
2 Press key for 5 seconds.
The right digit is flashed.
3
Press key and scroll the figure
to 2.
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 -05 with the
key and 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.