LabQuest
®
3 User Manual
www.vernier.com/labq3 17
Mode: Selected Events
Selected Events mode is similar to Events with Entry,
except that entries of 1, 2, and 3... are automatically
recorded as the independent variable.
Name and Units
—Enter a name and units for each
independent variable.
Average over 10 seconds
—You can choose to
average data over ten seconds and report the
averaged reading.
Use Time Column
—Choose this option to record time instead of the reference number as the
independent variable.
Mode: Photogate Timing
Photogates require a different set of timing options.
When a wired (BTD) photogate is detected or when a
Go Direct
Photogate is set up to use Gate State
channels only, LabQuest App defaults to Photogate
Timing mode.
You have two options for ending data collection in
this mode: with the Stop button or after a defined
number of events. A block/unblock pair counts as two
events, so a picket fence with 8 bars needs to stop
after 16 events.
Choose the proper Photogate Mode for your experiment. For more information, see
Wired (BTD) Photogates
www.vernier.com/til/3329
Go Direct Photogates
www.vernier.com/til/4314
Mode: Full Spectrum
When a spectrometer is detected, LabQuest App
defaults to Full Spectrum mode. In this mode,
Intensity, Absorbance, Fluorescence, or
%Transmittance can be measured as a function of
wavelength.
For Beer’s law experiments with spectrometers use
Events with Entry mode.
For Kinetics experiments use Time Based mode.
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