10
This sensor is impervious to relative humidity and is less susceptible to drift
and re-calibration. By measuring the absorption of infrared light within a CO
2
atmosphere, the highest level of sensitivity is provided.
THERMAL-CONDUCTIVITY CONTROL OF CO
2
:
This sensor measures CO
2
within an atmosphere by the heat of
conduction method and provides precise and reliable control.
SYSTEMS AND FEATURES:
All required operating commands are immediately accessible in a
functional format on the front of the unit and permit rapid start-up, close
monitoring and efficient control of incubation protocols.
Temperature is measured by platinum RTD (resistance temperature
detector) producing excellent control within ±0.1ºC. It is combined with the
exclusive SmartGas® algorithm method for controlling CO
2
within ±0.1%. The
result is a chamber that produces excellent environmental conditions for the most
sensitive of incubations.
Air passes downward over the heated area and is then directed upward in a
gentle, uniform flow from the chamber floor. This upward draft inhibits the
contamination of cultures. If the temperature exceeds the set point by more than
the set point setting, power to the heaters is discontinued.
Audible and visual alarms alert the user of any deviation in the chamber of
temperature (±1.0°C or better) or carbon dioxide (±1.0°%)
.
In addition, other
signals alert the user of such conditions as power failure, door ajar and low water
on water jacketed models.
To conserve gas, the CO
2
solenoid valve shuts off automatically any time
the insulated, incubator door is opened. The fan motor shuts off during door
openings as well.
Required operating commands are immediately accessible in a functional
format on the front of the unit and permit rapid start-up, close monitoring and
efficient control of the incubation protocols.
To prevent unauthorized access to or alteration of command entries, a
password feature may be accessed.
Side-by-side and stacked units are available.
The crevice-free stainless steel interior is designed for easy maintenance
and prolongs useful life.
DOUBLE-DOOR CONSTRUCTION WITH INNER DOOR DEFOGGER:
A tempered glass inner door allows observation of chamber contents
without disturbing the chamber environment. Inside the steel outer door is a
heater that can defog the glass door when necessary. Each door seals to a
one-piece silicone gasket for a leak-tight environment.
SECTION 3
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