Cup Rotar AssemblyEach of the three rotor cups shall have an internal Dia of exactly 1270 mm and be semi conical in shape The spindle is supported on two bearings ball bearing at top thrust bearing at bottom The assembly is made as per the instruction laid in IS5912
Warm Worm Wheel The Worm Worm Wheel are so designed that Worms Threads engage without friction to the Worm Wheel The gearing ratio shall be 32 revolutions of Cup produce one revolution of the Worm Wheel
Body Lid The body and the lid are made from Aluminium Casting and Glass window only viewing the five figure wheels of Counter
Counter It is a nonreset direct drive revolution counter adding one counter for each one tenth revolution The figures of the Counter shall be 7mm high is of White Pigment Colour on black background
TestThe instrument is tested for balance of Cup assembly and frictionless movement is tested for Spin Accuracy as per IS 95121970 Section 7 71 and 72 The accuracy of the instrument shall be as per Section 74
PackingEach instrument is marked and packed separately as per the Section 8 and 9 of IS 59121970