User's Manual

LabQuest

3 – User Manual

what is recommended for the connected sensor, or that the number of samples could lead

to performance issues. You can still collect data using these settings; however, you may

have undesirable results.

The red-text warning indicates one of the following, and you cannot exit the dialog box

until the warning condition has been resolved:

 The rate has been set to a value slower or faster than what a connected device

and/or sensor configuration can support

 The number of samples exceeds the storage available

 The number of samples exceeds 2000 (for rates faster than 80,000 samples/s)

Triggering – Triggering is only available in the

Time-Based mode. When enabled, LabQuest

waits for a trigger condition to be met before

recording data collection. To set the trigger,

choose the sensor and set the threshold

conditions. You can also set the number of

points to be saved before the trigger condition is

met.

Advanced – The Advanced field has three options that can be independently enabled by

selecting the associated check box.

 Oversampling can be used with data-

collection rates less than ten samples per

second. When enabled, the sensor will

sample at a higher rate than the number of

samples per second that you set, and then

LabQuest averages those readings and

records the averages in the data table. This

setting can be used to reduce measurement

noise by combining a burst of readings into

one value. As an example, oversampling

can sometimes reduce the influence of

unseen but real variations, such as as those

from a flickering light source.

 Repeat can be used with data-collection rates less than 250 samples per second.

When enabled, a new data

collection run is started as soon as the current run has