Items starting with O

Optical Detector Type 858

Optical Detector Type 858

The Type 858 Optical detector is used to generate an output pulse when a projectile passes immediately overhead. It can be used in conjunction with other units such as the 817 to provide a Projectile Velocity Measuring System Such a system can, to within an accuracy of up to 0.05%, record velocities from as low as 10 metres per second to in excess of 5000 metres per second. Under normal conditions, the projectile would be detected at a height of up to 500 times the projectile calibre.

Optical target type 546

Optical target type 546

This precision electronic target provides developers, testers and manufacturers with a highly accurate and cost effective method of checking the performance of weapons and ammunition, by measuring the co-ordinates of shots fired under test.