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Chapter 4
Temperature Sensor
Calibration
4 - 6 Merlin
Internal Sensor
If the temperature fluid temperature display disagrees with your reference
thermometer, the internal temperature sensor (rtd1) may need calibration.
Do not pick calibration points that are outside the safe operating limits of
the fluid in your application. For example with water, 35°C and 5°C would be
typical calibration points.
Run the chiller to a high-end calibration point. Place a calibrated reference
thermometer in the reservoir, ensure the fluid temperature is stable.
Enter Calibration by pressing and holding
times. The display will read CAL. Press
To calibrate the high-end temperature press
Press
again and the display will flash between r1H and the current probe
temperature.
Use
and
to adjust the r1H display. Once the display temperature
matches the reference thermometer press
displayed, press
to accept the new value.
Repeat for the low-end temperature r1L.
and then pressing
and the display will read rtd1.
and the display will read r1H.
twice. Press
until Stor is
Thermo Scientific
three
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