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Gholographics Company

Auto Collimator

Autocollimator is a sensitive, highly accurate Optical Instrument with a combination of a Telescope and collimator for precision alignment, detection of angular displacements & verification of angle standards.

Visual autocollimators use detection of the image cross line with reference to the reticule eyepiece cross line. These are used for coarse measurements.

Micro-optic Autocollimators use a micrometer arrangement for the measurement of the image cross line position with reference to the reticule eyepiece cross line. These are meant for fine and accurate measurements within few arc seconds.

Electronic Autocollimator use a CCD camera to detect the position of the image and eyepiece cross lines. These are for highly precise angular deviation measurements or for calibration.

Precision autocollimators are used in industrial and manufacturing environments for precision alignment of mechanical components, the detection of angular movement and angular monitoring over time and to ensure there is no angular error in a system and to ensure compliance with angle specifications and standards. 


Resolution 3 Secs 1 Sec 0.5 Secs 0.10 Secs
Accuracy over 1 Minute Range 6 Secs 2 Secs 1 Sec 0.5 Secs
Accuracy over full Range 30 Secs 10 Secs 5 Secs 2 Secs
Measurement Axis Single Dual Dual Dual
Range of Measurement 30 Minutes 20 Minutes 10 Minutes 10 Minutes
Readout Micrometer Micrometer Micrometer Software
Magnification 16X 24X 48X 16X
Field of View 60 Minutes 40 Minutes 20 Minutes 20 Minutes
Clear Aperture 26 mm 36 mm 56 mm 26 mm
Max working Distance @ half field of view 3.0 Mts 4.5 Mts 9.0 Mts 9.0 Mts
Power 220 V, 50 Hz 220 V, 50 Hz 220 V, 50 Hz 220 V, 50 Hz