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Stroboscope
Manufacturer: Pasco
Model: SF-9211
Cost: $500 ( 1989)
Description
Provides sufficient white light for strobe photography and for "stopping the motion". The light is produced with a xenon flash tube. The flash rate is adjustable from 1-300 flashes per second and a digital displays reads the flash rate.
Specifications
Flash Rate | 1-300 flashes per second; 60-18,000 RPM |
Output Signal | 5-7 Volt pulse |
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External Trigger | 3-50 Volt; Triggers on falling edge of pulse |
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Operating Instructions
- Flip the power switch on.
- The power switch will light, the stroboscope will begin flashing, and the display will read the flash rate in flashes per second.
- To vary the flash rate, turn the flash rate adjust knob located to the right of the display (clockwise increases the rate; counter clockwise decreases the rate.
PRECAUTION!
A very small fraction of the population is susceptible
to epileptic seizures induced by light flashing at
frequencies of 8-15 Hz. Students with a personal
history of epilepsy are advised not to use a stroboscope
at these frequencies.
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keywords: time measurement device, period measurement device, light source, frequency generator, frequency measurement device.
Document created August 08 1996. Original author: Phil Scolieri.
Last updated 08/19/96. Revised by David Harrison.