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Home » Product Range » Alignment Autocollimator

Alignment Autocollimator

An Autocollimator is for measurement of angular tilts whereas the Alignment Telescope is for establishing an accurate line of sight.
Alignment Autocollimator is a combination of Alignment Telescope and Autocollimator.
Autocollimator Mode
Where a collimated light beam is projected out of the Instrument and received back after the reflection from a mirror target.

Telescope Mode
Telescope mode where the lens position is altered to focus a cross line target located at different distances.
The advantage of this Instrument is to measure the angular tilts and the shift of centre location in one setting.

Alignment AutocollimatorApplication:
  • Bore straightness
  • Alignment of rolls in paper, metal, and plastic mills
  • Bearing run out
  • Checking parallelism of bearings in a gear box
  • Shaft alignments
  • Gear box evaluations


Alignment Autocollimator - Model AAC-01
Focal Length: 163 mm @ 0.5 m to 430 mm @ infinity
Clear Aperture: 35 mm diameter
Eyepiece focal length: 18 mm (Magnification: 14X)
Measurement Readout: Dual Axis Graticule / Micrometer
Angular Range of Measurement: +/-10 minutes
Resolution: 1 arc sec (Micrometer), 20 arc sec (Graticule)
Accuracy: 2 arc sec over 1 minute & 10 arc sec over full range
Line of sight accuracy: 20/50 microns at the graticule/image plane

Distances in Meters Shift in the Target position for 1 Div of Micrometer Shift in the Target position for 1 Div of Graticule 0.5 1 5 10 20
0.00437 mm 0.00889 mm 0.0475 mm 0.0959 mm 0.1928 mm
0.087 mm 0.177 mm 0.950 mm 1.919 mm 3.856 mm

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