RS PRO Imperial, Metric Vernier Caliper, External Micrometer Measuring Set Model No 1363413

RS PRO Imperial, Metric Vernier Caliper, External Micrometer Measuring Set Model No 1363413 is a precision measuring instrument used to accurately measure the dimensions of objects with a high degree of accuracy. It is commonly used in various industries, laboratories, and workshops for dimensional measurements and inspections.

The Vernier caliper consists of a main scale, a sliding Vernier scale, a depth probe, and a locking screw. The main scale is a graduated ruler typically found on the upper part of the caliper. It provides the primary measurements in either metric (millimeters) or imperial (inches) units. The sliding Vernier scale is located on the lower part of the caliper and moves along the main scale. It is graduated with finer increments than the main scale and is used to obtain the fractional part of the measurement.

To take a measurement, the user places the object between the jaws of the Vernier caliper and closes them until the object is securely held. The main scale reading is noted, which gives the whole number part of the measurement. Next, the user observes the Vernier scale and identifies the line that perfectly aligns with any line on the main scale. The value of this line on the Vernier scale is then added to the main scale reading to get the final measurement. The Vernier scale allows for measurements with much higher precision than what can be achieved using the main scale alone.

In addition to outside measurements, Vernier calipers often come with a depth probe on the back, allowing users to measure the depth of holes or recesses accurately.

The Vernier caliper is preferred for its high accuracy and ease of use, making it an essential tool in applications requiring precise measurements. It is widely used in mechanical engineering, machining, metalworking, carpentry, and in educational settings to teach measurement principles and practices.

With digital advancements, electronic and digital Vernier calipers have become available, offering digital readouts for even easier and faster measurements. However, traditional Vernier calipers remain popular due to their simplicity, durability, and reliability in providing accurate measurements for a wide range of tasks.