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Thermo Fisher Scientific Alpha COND 550 User Manual

Page 26

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Instruction Manual

Alpha-

COND 550

20

If ATC enabled (ATC On):

4

Selecting temperature offset: The upper display shows the last

configured temperature offset value (if any), otherwise the default is
zero. The lower display shows currently measured temperature
reading (including last configured offset value). LCD shows ‘ATC
annunciator in lower-right corner.

Place a thermometer, which is known to be accurate, in your
sample or process liquid. Make sure your temperature probe is
placed in the same liquid. Compare the stabilized temperature
reading displayed on the monitor with the thermometer. If there is a
difference between the two readings (offset), you can adjust the
reading of the monitor. Press

▲ or ▼ key to adjust the lower

display to the correct temperature value.

5

5

As the lower display value changes, the monitor adjust the upper

display reading automatically to suit the new offset value. Up to ± 10
ºC/ ± 18 ºF offset is allowed.

Press ENT key to confirm the value. The monitor reverts to SET
ºCF
screen.

If ATC disabled (ATC OFF):

6

Setting process temperature: The lower display shows ‘P.ºC’ and

the upper display shows the last configured process temperature.
Press

▲ or ▼ key to adjust the upper display to desired process

temperature. Allowable range: –10.0 to 125.0°C / 14.0 to 257.0°F.

Press ENT key to confirm the process temperature.

7

Setting calibration temperature: The lower display shows ‘C.ºC

and the upper display shows the last configured calibration
temperature. Press

▲ or ▼ key to adjust the upper display to

desired calibration temperature. Allowable range: –10.0 to 125.0°C /
14.0 to 257.0°F.

Press ENT key to confirm the calibration temperature. The monitor
reverts to SET ºCF screen.

Press

▲ or ▼ key to access other setup screens or press ▲ and ▼ key

simultaneously (escape) to return to measurement mode.

To exit from any intermediate steps, press

▲ and ▼ keys simultaneously

(escape). The monitor returns to the first screen of temperature settings SET
ºCF.