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Phantom Help File178
© 2010 Vision Research - An AMETEK Company
4.2.5.2.2 Define the Sample Rate
The Sample Rate parameter specifies the rate at which images are to be recorded. The Sample Rate
is depended upon the defined Resolution, (width to the height ratio), of the images being captured.
NOTE
The Sample Rates setting will determine the minimum to maximum Exposure Times available,
and the range of Sample Rates available will be dependent upon the Resolution setting.
The Sample Rates listed below are typical values intended for illustrative purposes only. They are
subject to wide variations in practice depending upon the specific analytical requirements and test
conditions.
EVENT
TYPICAL
SAMPLE RATES
EVENT
TYPICAL
SAMPLE RATES
Man Walking
30fps
Cutting Action of a Dental Drill
16,000fps
Bottle-Filling Machine
60fps
Shot-Gun Pellets in Flight
32,000fps
13-Ton Punch Press
120fps
Bursting a Toy Balloon
64,000fps
Blink of an Eye
240fps
30/06 Rifle Bullet in Flight
125,000fps
Pouring of Liquid
500fps
Crack Propagation in Glass
250,000fps
Driving a Nail
1,000fps
Liquid Cavitation Phenomena
500,000fps
Wing Beat of a Honey Bee
2,000fps
High Explosive Detonation
1,000,000fps
Contact Chatter in a Switch
4,000fps
Electrical Spark Discharges
>2,000,000fps
Circular Saw Cutting Wood
8,000fps
1.
Click the Live Control Panel Tab.
2.
Click on Cine Settings.
3.
Specify the selected Phantom camera's Sample Rate parameter:
a.
Click the down-arrow to the right of the Sample Rate entry window and select a predefined
Sample Rate from the pull-down selection list, alternately
b.
To use a Sample Rate that is not displayed within the list simply enter the desired rate.
RESULT: The Phantom Camera Control application will display the closest available Sample Rate
allowed in the Sample Rate entry window.
For actual Sample Rates refer to: Functional Descriptions>Frame Rate Tables.
4.2.5.2.3 Define the Exposure Time
The default setting is nominally, the reciprocal of the Sample Rate fewer than 20 microseconds of
overhead.