An elongation gauge, also known as a length gauge, is used to determine the flakiness and elongation index of aggregates, which are important for material testing in construction and engineering. It's essentially a tool to measure the thickness of individual aggregate particles and classify them based on their elongation. The gauge typically consists of a hard wood base with vertically mounted studs and a graduated scale for measuring the length of the particles. 

High Accuracy and Resolution

• Measures small changes in length with micrometer-level precision.
• Crucial for determining material properties like Young’s modulus and yield strength.

Gauge Length Adjustability

• Adjustable gauge length to suit different specimen sizes and testing standards (e.g., ASTM, ISO).
• Common gauge lengths include 25mm, 50mm, and 80mm.

• IS: 2386 (Part 1)

High Accuracy and Resolution

• Measures small changes in length with micrometer-level precision.
• Crucial for determining material properties like Young’s modulus and yield strength.

Gauge Length Adjustability

• Adjustable gauge length to suit different specimen sizes and testing standards (e.g., ASTM, ISO).
• Common gauge lengths include 25mm, 50mm, and 80mm.

High Accuracy and Resolution

• Measures small changes in length with micrometer-level precision.
• Crucial for determining material properties like Young’s modulus and yield strength.

Gauge Length Adjustability

• Adjustable gauge length to suit different specimen sizes and testing standards (e.g., ASTM, ISO).
• Common gauge lengths include 25mm, 50mm, and 80mm.