Agilent InfinityLab LC Series Multicolumn Thermostats User Manual 123
8 Test Functions and Calibrations
Sensors Offset Calibration
Sensors Offset Calibration
The Sensors Offset Calibration tries to find the offset between the two sensors
built into the heat exchanger. The idea is to bring both sides to ambient
temperature and minimize temperature difference between the heat sink and
heat exchanger. This is to ensure that no temperature gradient inside the heat
exchanger is present and both temperature sensors are exposed to the exact
same temperature.
Because the lower sensor responds much faster to temperature changes by the
Peltier, it is also important, that the heat sink is at the same temperature as the
heat exchanger. Otherwise, a temperature flow from or to the heat exchanger
would generate differences in temperature measured by each sensor.
Required:
• After replacement of heater assembly.
• After replacement of mainboard.
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