15
ALARM TEMPERATURE SETTING
This unit is provided with both high and low temperature alarms. The temperature at which the alarm is
activated will be changed.
The available set range for high temperature alarm is b5
o
C and +15
o
C, and -5
o
C and -15
o
C for
low temperature alarm against the set 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 3 on page 15
Low temperature alarm set
See Table 4 on page 15
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 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 changes.
4 Press set key.
SET
The first digit is flashed.
5
Set the temperature to 005 with the
digit shift key and numerical value
shift key.
Pressing the key shifts the digit
which can be set.
When pressed, the figure of settable
digit changes.
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 numerical value shift key for
5 seconds.
The first digit is flashed.
3
Press numerical value shift key and
scroll the figure to 2.
When pressed, the figure of settable
digit changes.
4 Press set key.
SET
The first digit is flashed.
5
Set the temperature to -05 with the
digit shift key and numerical value
shift key.
Pressing the key shifts the digit which can be set.
When pressed, the figure of settable
digit changes.
6 Press set key.
SET
Alarm temperature is memorized and
the current chamber temperature is
displayed.
• The alarm temperature set mode returns to the temperature display mode automatically when 90
seconds has passed without any key operation.
