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Spherometere – Disc Type

Spherometere – Disc Type

Model No: AGN-118
It is precision instrument used to measure the radius of curvature of spherical surfaces. It features a small metal frame supported by three legs arranged in an equilateral triangle, with a central finely threaded screw acting as the fourth leg. A pitch scale marked in millimeters (10-0-10 mm) is fixed at right angles to the frame, and a circular scale attached to the screw head enables fine readings.

Shere

Technical Specifications

  • Sturdy Metal Frame: Compact and durable design.
  • Three Fixed Legs + Central Screw: Provides stable support and precise vertical movement.
  • Fine Pitch Central Screw: Ensures accurate vertical displacement for curvature measurement.
  • Main (Pitch) Scale: Marked in millimeters with a central zero (10-0-10 mm) for easy referencing.
  • Circular Scale: Fixed to the screw head; divided into 100 or 50 equal parts for fine resolution.
 
a) 1/100
b) 1/200

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