Sigma Comparator: Definition, Working Principle, Parts, Diagram, Advantages, Applications & Disadvantages

A Sigma Comparator is a high-precision mechanical comparator used to measure small linear dimensions or deviations in engineering components. It functions based on mechanical amplification principles to compare the measured dimension against a standard.

Comparators do not measure actual dimensions but indicate differences from a given standard. The Sigma Comparator is known for its high accuracy, robustness, and ease of operation.

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Profile Projector: Definition, Working Principle, Parts, Diagram, Least Count, Uses, Applications & Disadvantages

A profile projector, also known as an optical comparator, is a metrological device used to measure and inspect the dimensions of manufactured components with high precision. It projects a magnified shadow of the workpiece onto a screen, allowing detailed inspection and measurement.

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Universal Surface Gauge: Definition, Working, Parts, Diagram, Advantages, Applications & Disadvantages

A Universal Surface Gauge is an essential precision measuring instrument widely used in machining, engineering, and inspection processes. It helps mark accurate reference lines, check surface flatness, and align components with high precision. This instrument plays a crucial role in industries requiring accurate dimensional measurements and layout marking.

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What is Vernier Caliper? Definition, Working Principle, Parts, Diagram, Types, Least Count, Advantages, Applications & Disadvantages

A Vernier Caliper is a precision measuring instrument used to measure internal and external dimensions, depths, and step measurements with high accuracy. It consists of a main scale and a Vernier scale that allows measurements with greater precision than a regular ruler.

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What is Spirit Level? Definition, Working, Parts, Diagram, Types, Advantages, Applications & Disadvantages

A spirit level, also known as a bubble level or simply a level, is an instrument designed to indicate whether a surface is horizontal (level) or vertical (plumb). It works by using a sealed vial containing a liquid and an air bubble, which moves to the center when the surface is perfectly level or plumb.

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Slotter Machine: Definition, Parts, Working Principle, Types, Specifications, Advantages, Applications & Disadvantages

A slotter machine is a type of machine tool that is primarily used for cutting slots, grooves, and keyways into materials like metals and plastics. It operates by moving a single-point cutting tool vertically and intermittently against the workpiece, which is usually fixed to a table. Slotter machines are versatile tools often used in manufacturing, machining, and repair workshops.

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What is Digital Height Gauge? Definition, Working, Parts, Diagram, Least Count, Advantages, Applications & Disadvantages

A Digital Height Gauge is a precision measuring instrument used primarily in manufacturing, machining, and engineering applications. It is used to measure the height of objects or features relative to a reference plane, typically a flat surface like a granite plate. The device provides digital readouts for accurate and efficient measurements.

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What is Bevel Protractor? Definition, Working Principle, Parts, Diagram, Types, Least Count, Accuracy, Advantages, Applications & Disadvantages

A Bevel Protractor is a precision instrument used for measuring angles with high accuracy. It is widely employed in engineering, machining, and inspection tasks to determine the angle between two surfaces. Equipped with a graduated circular scale and blades, the bevel protractor facilitates both angle measurement and layout tasks.

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What is Vernier Height Gauge? Definition, Working Principle, Parts, Diagram, Least Count, Advantages, Applications & Disadvantages

A Vernier Height Gauge is a precision instrument used for measuring vertical distances to a high degree of accuracy. It is commonly employed in manufacturing and engineering environments for scribing lines, checking heights, and ensuring precise measurements during machining and quality control processes. The instrument combines a main scale and a Vernier scale to achieve fine measurement readings.

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