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Three Arm Protractors

Optical/Mechanical Theodolites

Electronic Tilt Sensors

Specifications

These scales are used with our optical instruments to measure the precise distance of any object from the line of sight. Then, since the line of sight is very straight, alignments between different objects (such as machine components, foundations, rollers, etc.) are quantifiable.

Our scales have optical targets evenly spaced every 2 mm. The optical micrometer on an instrument works like a vernier, displacing the line of sight laterally. Using this displacement, the reticle is "brought into register" with the nearest target on the scale, and the precise displacement is read directly from the graduated micrometer drum. By adding or subtracting the micrometer's reading from the scale position, a precise measurement is made.