Fisherbrand 50152755 | 17
Product Description |
Chapter 4
Sensing and Control System
The PT 100-type sensor for the control of the work space temperature and for the thermal
protection [1] is installed on the top of the inner chamber.
Figure 4-3. Sensor System
The work space temperature sensor provides the inputs to the incubator’s built-in controller,
which continuously compares the measured values to the user-specified set value and adjusts the
heaters according to the result.
AC Power Socket
The incubator is connected to the AC supply mains via the socket (item 4 in Figure 4-4), which
accepts a power cord with an IEC standard plug.
Fuses
Two 16 A slow-blow fuses (T 16A H 250 V) mounted on the incubator’s main electronic circuit
board protect internal circuitry from the impact of excessive power consumption.
NOTE
Replacement should only be carried out by skilled and authorized qualified personnel of
electro technology/signal engineering!
NOTE
Fuse replacement
The device fuses are not user-serviceable. When the incubator exhibits the typical signs of
a blown fuse (no response to pressing the On/Off button, control panel remains
extinguished, no heating operation), call Fisher Scientific Customer Service to have the
fuses replaced.
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