G.G. Make Autocollimator A.A. 10 is a versatile model capable of meeting various measuring
requirements involving small angles & displacements in linear & flatness testing.
A. Collimator Unit.
01. Objective lens Aperture. : 25 mm.
02. Focal Length. : 300 mm.
03. Telescope Length. : 375 mm.
04. Telescope Barrel Diameter. : 38 mm.
05. Magnification. : 10 x.
06. Measuring Graticule Division. : 1’ ( minute ).
07. Micrometer Least-Count. : 10” ( seconds ).
08. Target Graticule. : Plain Cross.
09. Electric Supply. : A 220-240v.,50 Hz. supply is required. A 220-6v. step-
down transformer is provided along-with the unit.
10. Illuminator. : 6 v - 10 watts halogen bulb is used.
11. Body . : Powder coated & chrome plated .
B. Stand .
1. Vertical Movement . : 100mm,by hard -chrome & plated finely ground lead-screw.
2. Horizontal Rotation . : 360 0, about axis of the lead -screw .
3. Vertical Rotation . : 360
0.
