Fisher Scientific Isotemp 500 Series, Инструкция по эксплуатации

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Isotemp Economy Incubators Page 6
Limit
The 500 Series controllers feature a deviation alarm which alerts the
Alarms
operator and interrupts heater power whenever the actual incubator
temperature differs from the set temperature by more than 3
°
C. This set
limit cannot be adjusted by the operator.
If the actual temperature exceeds the alarm limit, the alarm indicator LED
will light.
The reference point for the alarm is the set temperature. Any change in the
set temperature will cause a corresponding shift in the alarm temperature.
Example:
If the set temperature is 40
°
C, the alarm will trip at 43
°
CC. If the set
temperature is changed to 50
°
C, the alarm will follow the set temperature
and trip at 53
°
C.
Changing the set temperature to a value more than 3
°
C below the present
incubator temperature will trip the alarm. Power is removed from the
heaters when an alarm condition occurs.