Cara Membaca Jangka Sorong dan Mikrometer Sekrup

Summary

In this educational video, Arya Masrur explains how to read vernier calipers and micrometers, essential tools in physics and industry, particularly automotive. He details the main scale and vernier scale on calipers for measuring external and internal diameters and depth, while micrometers are for thickness. He demonstrates how to calculate measurements using the main scale's cm and mm increments and the vernier scale's 0.05 mm increments. Practical examples show how to combine these readings for precise measurements, crucial for job seekers in the industry.

Takeaways

• 🔧 Vernier calipers are used to measure external and internal diameters as well as the depth of an object.
• 📏 Micrometers are used for measuring the thickness of smaller objects, making them ideal for precision measurements.
• 🔍 In industrial settings, especially automotive industries, vernier calipers and micrometers are important tools for accurate measurements.
• 📐 Vernier calipers consist of a main scale and a vernier scale, where the main scale gives measurements in centimeters and the vernier scale offers finer readings.
• 👀 When using vernier calipers, align the zero mark to determine the main scale reading, then add the vernier scale reading for precision.
• 📊 The smallest divisions on the vernier scale represent 0.1 cm, and sub-divisions on the vernier scale are calculated in millimeters.
• 🛠 To calculate the final measurement using vernier calipers, combine the main scale reading with the vernier scale reading (e.g., 1.1 cm + 0.65 mm = 1.165 cm).
• 🔬 Micrometers have a main scale (millimeters) and a vernier scale for more precise measurements (up to hundredths of a millimeter).
• 📋 For micrometer readings, the main scale shows the base measurement, while the vernier scale gives the decimal value to be added.
• 📝 In both vernier calipers and micrometers, it's essential to align the scales properly to ensure an accurate measurement.

Q & A

What is the primary function of a vernier caliper?

A vernier caliper is primarily used for measuring the outer diameter, inner diameter, and depth of an object.

What is the main difference between a vernier caliper and a micrometer?

A vernier caliper is used for measuring larger objects, while a micrometer is used for measuring smaller objects, particularly thickness.

What are the two types of scales found on a vernier caliper?

There are two types of scales on a vernier caliper: the main scale, which is larger, and the vernier scale, which is smaller.

How is the main scale on a vernier caliper read?

The main scale is read in centimeters, with each increment from 0 to 1 representing 1 cm, and from 0 to 2 representing 2 cm, and so on.

How is the vernier scale on a vernier caliper read?

The vernier scale is read by identifying the line that is closest to the main scale's zero line. Each line represents 0.1 mm, and each small division represents 0.05 mm.

What is the zero line on a vernier caliper used for?

The zero line on a vernier caliper is used as a reference point for reading the measurement. It is the line that the vernier scale's zero mark aligns with.

How do you calculate the final measurement on a vernier caliper?

The final measurement is calculated by adding the reading from the main scale to the reading from the vernier scale.

What is the function of a micrometer?

A micrometer is used for measuring the thickness of an object with high precision.

How is the main scale on a micrometer read?

The main scale on a micrometer is read in millimeters, with each increment representing 1 mm from 0 to 1, and 2 mm from 0 to 2, and so on.

How is the vernier scale on a micrometer read?

The vernier scale on a micrometer is read by identifying the line that is closest to the main scale's zero line. Each line represents 0.1 mm, and each small division represents 0.01 mm.

How do you combine the readings from the main and vernier scales on a micrometer?

The readings from the main and vernier scales on a micrometer are combined by adding the main scale reading to the vernier scale reading, resulting in the final measurement.