ALMICRO
Autocollimator Model KW-950 Auto
Autocollimator Model KW-950 Auto
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Autocollimator KW-950 is a highly sensitive optical instrument designed for precise angular measurement and alignment in optical workshops, inspection departments, and quality control laboratories. It combines the functions of a collimator and telescope into a single system using a beam splitter, enabling accurate measurement of very small angular deviations. The instrument is widely used for checking flatness of optical components such as prisms and glass slabs, as well as for alignment of machine parts. Its measurement is independent of distance due to the collimated beam system, ensuring high accuracy and repeatability.
Key Features
High precision optical instrument for small angle measurement
Combines collimator and telescope using beam splitter system
Suitable for flatness testing of prisms and optical slabs
Measures angular deviations in minutes and seconds of arc
High sensitivity for accurate alignment applications
Independent measurement from object distance due to collimated beam
Stable and robust design for laboratory and industrial use
Differentiator vs conventional tools: Ultra-precise optical angular measurement capability
Best for: optical labs, QA/QC labs, alignment and calibration applications
Technical Specifications
| Parameter | Specification |
|---|---|
| Instrument Type | Autocollimator |
| Model | KW-950 |
| Objective Focal Length | 220 mm |
| Clear Aperture | 40 mm |
| Magnification | 11X |
| Measuring Range (X-Y Axis) | 60-0-60 minutes |
| Least Deviation (Reticle) | 1 minute of arc |
| Micrometer Least Count | 2 seconds of arc |
| Application | Angular measurement, alignment, flatness testing |
| Usage | Optical labs, inspection, quality control |
| Country of Origin | India |
Working Principle
The autocollimator projects an illuminated reticle image to infinity using the objective lens. When the beam reflects from a mirror surface, any angular tilt causes the reflected beam to return at twice the angle, creating a measurable image shift. This shift is proportional to the angular deviation, enabling precise calculation of small angles for accurate alignment and testing.
