Digital two-coordinate metrological
Electronic Autocollimator
AE-002

Description	Values
Aperture	50 mm
Metrological mode of measurement
Angle measurement range in horizontal (X) and vertical . (Y) plane	± 300 arcsec
RMS of measurement result (with an accumulation time of at least 3 s)	0.001 arcsec
Angle measurement error*	±0.02 arcsec
Standard mode of measurement (by the central element of mark)
Angle measurement range in horizontal (X) and vertical . (Y) plane	± 600 arcsec
RMS of measurement result (with an accumulation time of at least 3 s)	0.01 arcsec
Angle measurement error*	±0.1 arcsec

* The measurement error (in metrological mode) is defined for normal conditions of linear-angular measurements and the distance to the mirror not more than 0.25 m with a high rigidity of the design of the measuring set-up.

The software allows:

• Perform setting adjustment with the real and virtual image of the working field
• Perform measurements of angle with setting of zero in any point of field of view (zero point is situated by default in the center of the photodetector array)
• Perform measurements with any value of accumulation in time (from 1 frame)
• Calculate the absolute values of the angle, as the difference between the fixed measurements
• Display of the measurement results in the form of a table and record them into XLS or TXT file, as well as one-dimensional and two-dimensional graphs in real time.

Results of angles measurement can be expressed in following units: arc seconds, micrometers, microradians, or pixels.

Control of preparation of the device for measurements is made in the Stabilization mode and is accompanied by a sound and text warning of readiness for operation.

Technical specifications can be changed upon customer's request.