Instruction manual

Thermo Scientific Alpha pH 560 27
Press ▲ or ▼ key to select the desired units for temperature
(ºC or ºF). Press ENT key to confirm your selection.
3
Enable/disable ATC: The lower display shows ‘AtC’ and the
upper display shows the last configured ATC selection (‘On’ or
‘OFF’).
Press ▲ or ▼ key to enable (ATC On) or disable (ATC OFF)
automatic temperature compensation. Press ENT key to
confirm your selection.
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.
55
As the lower display value changes, the pH 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 pH Controller
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°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