19
[F1 PT -]
Stop periodic probe temperature reporting.
[F1 CT -]
Stop periodic sample holder temperature reporting.
[*E+]
Enable appearance of a warning dialog if a main window
button
or control is used while a script is running.
[F1 PX -]
Reset display of probe temperature to 0.1 °C precision.
[*MSG + The multiramp script run is complete]
Notify user, with beeping.
The script sets a target temperature of 10 degrees and then turns temperature control on and waits until the
user is satisfied with the state of equilibration. During this time the probe temperature is reported every 30
seconds (the sample holder temperature is reported every 30 seconds throughout the run). The script then
initiates the first ramp from 10 to 40 degrees at 4 degrees/min with the computer beeping each time a probe
temperature is reported at 2 degree intervals. The second ramp from 40 to 45 degrees is slower (0.2
degrees/min), with the computer beeping every 0.5 degrees (to provide more information over a critical range
of temperatures). The third ramp takes the temperature quickly to 80 degrees, again with beeping at 2 degree
intervals. At this point beeping is stopped and an 8 minute delay of script execution allows time for
equilibration at 80 degrees; the probe temperature is reported every 30 seconds. The final ramp is down to 20
degrees at 2.5 degrees/min with probe temperature reports every 5 degrees. This is followed by a 7 minute
delay for equilibration with automatic probe temperature reports every 30 seconds. Figure 1 shows a typical
example of the sample holder and probe temperatures as a function of time.
Actual data obtained by running the example script in the QNW Serial Control Program
(V2.3). The sample holder temperatures are plotted as a solid line without tokens; the
probe temperatures are shown as filled circles connected by a line.
