This GENERAL RADIO 1538-A STROBOTAC ELECTRONIC STROBOSCOPE is in excellent condition and guaranteed to function 100%. All flash settings are in perfect working order. It came from a local lab that was upgrading equipment and we can accept pay pal or your credit card. Please contact me with any questions.

The highest flashing rates for a stroboscope-up to 150,000 Flashes per mn,

Flash duration from 0.5 μs to 3.0 μs for clear, crisp images.

Accessory energy-storage capacitor 1538-P4 for very short single flashes.

High accuracy stroboscope — rpm measurements can be made to ± 1%

0.5 μs— "stops" rapid motion and permits ultra-high-speed photography.

Can be battery operated

Convenience — small Flip-Tilt case and swivel-mounted lamp.

For more information please visit-

http://exodus.poly.edu/~kurt/manuals/manuals/Other/GENRAD%201538A%20User%20and%20Service.pdf