PASCO Xplorer GLX, Руководство пользователя

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X p l o r e r G L X U s e r s ’ G u i d e 117
e) Press to accept the changes and return to the Sensors screen.
4. Connect the second sensor to the GLX.
Connect the temperature probe that will measure the air temperature to
Temperature Port 2 of the GLX. You will see the new icon appear in the
upper part of the Sensors screen with a box around it.
5. Set the sample rate of the second sensor and rename the measurement.
a) Repeat step 2 to set the sampling rate of the second sensor to 30 seconds
between samples.
b) Repeat step 3 to set the Measurement Name to “air temp.”
6. Set up the Graph display to plot Object Temperature and Air Tempera-
ture versus Time.
a) Press to return to the Home Screen.
b) Press to open the Graph display. The display will be automatically
set up to graph object temp versus Time.
c) Press to open the Graphs menu, and press to select Two Mea-
surements mode. Air temp will be added to the Graph.
Data Collection
1. Remove the test tube from the hot water and dry it thoroughly with a paper
towel.
2. Place the test tube in the empty cup so that the sand is several centimeters
away from the air temperature probe.
3. Press to start data collection.
4. Press to automatically scale the Graph.
5. After the sand has cooled to about 30 °C, press to stop data collection.
F1
F2
F1
Icon for second
temperature probe
Graph prepared to display object
temp and air temp vs. Time
F1
F4 4
ghi
to the
GLX
temperature
probe 2
Place the test tube in the empty
cup so that the sand is several
centimeters away from the air tem-
perature probe
F1