Performance Parameters And Features - NuAire NU-5800 Operation And Maintenance Manual

2.0 Performance Parameters and Features

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Both the interior and exterior of the DH are constructed of 18 to 16-gauge steel.
The interior is highly polished type 304 L 16 gage stainless steel, using crevice-free construction.
All exposed edges are deburred to insure no sharp edges.
The exterior is cold rolled 16 & 18 gauge steel finished in a powder coated polyurethane finish, which is resistant to
chemicals and easily cleaned using mild household detergents.
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The DH's microcomputer temperature control system has two temperature sensors located inside the chamber at
the back wall.
The temperature sensors compare the values to a set point and execute a differential control algorithm that
energizes a solid-state switch, supplying power to the heaters.
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Easily removable inner shelves and rails for sterilization.
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Up to 21 shelves can be placed inside the chamber (4 shelves are shipped with each DH).
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Space-age high temperature material is used to insulate the inner chamber walls.
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Foil heaters are directly attached to the chamber walls and the top and bottom surfaces of the inner chamber.
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Most electronics, motors, pumps, and valves are fully accessible from the back of the unit.
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A CO sample port is provided on the front panel just below the door to check the concentration of CO
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chamber.
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The CO percentage is controlled by a solid-state gas infrared sensor using a single light source with dual wave length
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detection, providing accurate monitoring of CO
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Automatic recovery of the CO
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The outer door includes an internal radiant heater in order to minimize condensation on the inner glass door.
A magnetic outer door gasket helps to insure a tight seal against the cabinet.
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The inner glass door is 3/16" tempered with smooth-ground edges and seals are tight against a silicone rubber
gasket.
The door latch is cam action.
A momentary switch monitors the door position, the position being opened or closed.
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All control electronics are protected with a circuit breaker that may trip at 110% of loading rating but will trip at
145% of load rating in less than 2 seconds.
Should the circuit breaker open (pop-out button will appear), merely depress to reset.
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The Incubator has factory-installed adjustable leveling legs to compensate for uneven laboratory surfaces.
OM0211
Rev 3 March 2013
.
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level, after a 1minute door opening, to 5.0 + 0.5% is within a 5 minute period.
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