MS-125 PVG ‘G’ BY FREE FALL APPARATUS

With Optical gates, to determine the value of ‘g’ by timing the fall
of a steel ball.
Consist of a casted stable base plate screwed with 12 mm. dia. steel
rod. Two plastic bases mounted on the rod to hold two units.
Solenoid unit having a mumetal core which ensures immediate
release of ball on energizing, gate switch unit comprises a hinged
steel plate held against a permanent magnet so that with proper
adjustment the plate falls promptly with the impact of falling ball.
Connections with color coded 4 mm sockets. Millisecond timer is
used, withthisapparatus.Completewithsteelballsofdia.16&19mm.