LBX instruments WB-Pro, User Manual

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37.0 Press the set key to save the setting, it displays the
current temperature/OFF
5.6 Setting the over temperature alarm
Protect the sample by setting max. temperature that the bath allows to be heated.
The setting procedures are as following:
For example:
The current temperature is 37.0
°C and the over-temperature alarm limit is 90.0 °C
Operation Display
0tP Press the over-temperature alarm key to enter the
setting menu
90.0 Set the over-temperature alarm limit you require
37.0 Press the over-temperature alarm key again to save
the setting, it displays the current temperature/OFF
If the liquid temperature exceeds the setting over-temperature alarm limited
temperature, the water bat
h will stop heating, display “ Ot A” and start an alarm. The
alarm can be turned off by the following operations:
· Turn off the power, the alarm is turned off, and restart the machine after the water
temperature is lower than the over-temperature alarm limited temperature ;
· Add some cold water until the water temperature drops below the over-temperature
alarm limited temperature, and the alarm will be turned off;
· Set the over-temperature alarm limited temperature to above the water temperature,
and the alarm will be turned off.
5.7.
Setting the countdown timer
The countdown timer range is 1~999 min
After the countdown is over, an alarm will sound three times and the heating will
stop, “OFF” is displayed.
Note:
1.
When the countdown time is more than 10 minutes, the countdown time is hidden
and the real-time temperature is displayed.
2.
When the countdown time is less than 10 minutes, the countdown time is displayed.
3.
The countdown can start only in heating state. The countdown will stop once the
heating is stopped.
4.
In heating state, save the setting value of timer, the countdown will start
immediately.
5.
In unheated state, save the setting value of timer, then press the “Run/Stop” to