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SP-20000-PMCL User Manual (Ver. 3.1)
PIV (Particle Image Velocimetry)
The Particle Image Velocimetry mode can be used in applications where 2 images need to be taken
with a very short time interval. It can only be used with strobe flash as illumination. The first
accumulation time is 10 us to 2 sec. Then, the second exposure will be taken. The first strobe is
activated during the first exposure duration and the second strobe is pulsed while the first frame is
being read out. In this way, two strobe flashes generate two video outputs.
Basic settings to use this mode
Trigger Mode: ON
l
Exposure mode: Timed
l
Trigger Option: PIV
l
Minimum trigger interval (Trigger overlap = Off)
Readout Mode
80 MHz
≧ 63.625ms ≧ 85.394ms ≧ 126.489ms ≧ 169.807ms ≧ 252.834ms ≧ 339.472ms
Full
≧ 42.677ms ≧ 57.263ms ≧ 84.592ms
ROI Center 2/3
≧ 32.203ms ≧ 43.198ms ≧ 63.644ms
ROI Center 1/2
≧ 16.492ms ≧ 22.100ms ≧ 32.221ms
ROI Center 1/4
≧ 8.636ms
ROI Center 1/8
V Binning* ON
≧ 63.635ms
(Full)
*Monochrome model only
1x8 – 1Y
60 MHz
≧ 11.551ms ≧ 16.510ms
≧ 85.404 ms
≧ 126.504ms ≧ 169.831ms ≧ 252.868ms ≧ 339.518ms
Time (Min. Trigger Period)
1x4 – 1Y
80 MHz
60 MHz
≧ 113.546ms ≧ 169.041ms ≧ 226.950ms
≧ 85.416ms
≧ 43.220ms
≧ 22.122ms
- 92 -
Main Functions
1X2 – 1Y
80 MHz
60 MHz
≧ 127.144ms ≧ 170.688ms
≧ 64.299ms
≧ 88.055ms
≧ 32.877ms
≧ 44.110ms
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