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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
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.