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5.4 Temperature Monitoring:
To insure that the incubator is operating at the
desired temperature, an accurate temperature indicator such as a certified
reference thermometer should be placed in the incubator chamber for calibrating
after temperatures have been set. Try to place the thermometer in the center of
the chamber and raised off the shelf (taping the thermometer down to a petri dish
is a method that raises it off the shelf and prevents it from rolling and hiding the
scale from view). For ease of reading the thermometer, it is best if it is electronic
with a remote display so it can be read without opening the doors.
5.5 Set Main Temperature Controller:
Enter desired set point temperature. To
enter set point mode on the controller, press either the Up or Down arrow pad
one time. The digital display will start to blink, going from bright to dim. While
blinking, the digital display is showing the set point. To change the set point, use
the Up and Down arrow pads. If the arrow pads are not pressed for five (5)
seconds, the display will stop blinking and will read the temperature of the unit.
Note that the Overtemperature Thermostat should be turned to its maximum
position until the unit has stabilized at desired set point temperature. Allow the
incubator at least 24 hours to stabilize.
5.6 Calibration:
It is recommended that calibration is done once the unit is installed
in its working environment and has been stabile at set point for several hours. As
mentioned in Section 5.4 a certified reference thermometer should be in place for
calibration. The thermometer should read a constant value for a minimum of one
hour prior to calibrating. Compare the digital display with the reference
thermometer. If there is an unacceptable difference, put the display into
calibration mode by pressing both the Up and Down arrow pads at the same time
until the two outside decimal points begin to flash. While the decimal points are
flashing the display can be calibrated by pressing the Up or Down arrow pads
until the display reads the correct value. Allow the incubator temperature to
stabilize again, and recalibrate if necessary.
5.7 Set Overtemperature Thermostat:
As mentioned in step 5.6, the
Overtemperature Thermostat should be initially set to its maximum position to
allow the temperature to stabilize. Once stabile at the desired set point, turn the
Thermostat counterclockwise until the OVER TEMP light turns on. Next, turn the
Thermostat clockwise just until the light turns off. This will set the
Overtemperature Thermostat at approximately 1
°
C above the Main Temperature
Controller set point.
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