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O
PERATION
Chamber or Setpoint Temperature
Heat Indicator
✱
Control Buttons
Figure 3: Temperature Controller
16
▼
▼
Temperature Calibration
blank out for 2 seconds before showing the
chamber temperature.
2.
HEAT ON INDICATOR: The HEAT ON indicator
lamp is lit when the chamber heaters are receiv-
ing power. The lamp will normally flash when
the chamber temperature is at set point.
3.
SET POINT ADJUSTMENTS: The temperature
controller normally displays the chamber tem-
perature. To view or change the temperature
set point proceed as follows:
Press
Controller
✳
View set point
✳
Decrease set point
✳
Increase set point
A. Press and hold the "star" (✳) key and use
either the up or down arrow key to adjust the
set point to the desired temperature. Release
the "star" (✳) key.
B. Allow at least 30 minutes for the tempera-
ture to stabilize.
1.
Fill a 250-ml Erlenmeyer flask with approximate-
ly 100 ml of water and position it at the approxi-
mate geometric center of the shaking platform.
2.
Install a thermocouple inside the flask with the
thermocouple junction in direct contact with the
water.
3.
Adjust the safety thermostat to its maximum
clockwise position.
4.
Press and hold the "star" (✳) key and using the
up or down arrow key, adjust the set point to
the desired temperature.
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