CARA MEMBACA JANGKA SORONG | KETELITIAN 0.02 mm | VERNIER CALIPER | SIGMAT

Summary

In this instructional video, viewers learn how to effectively use a vernier caliper, an essential tool for precise measurements. The video details the various components, including inner and outer jaws, a depth probe, and the main and vernier scales. It emphasizes the importance of aligning the zero marks for accurate readings. The tutorial walks through measurement techniques with practical examples, demonstrating how to read both the main and vernier scales to determine the final measurement accurately. This guide is valuable for anyone looking to enhance their skills in using a vernier caliper.

Takeaways

• 🛠️ The main components of a vernier caliper include inner jaws for measuring external dimensions, outer jaws for internal dimensions, and a depth probe for measuring depth.
• 📏 The main scale features two units: millimeters (mm) at the bottom and inches (in) at the top.
• 🔍 The nonius scale also contains two units for precision measurement: millimeters below and inches above.
• 🔒 The locking screw secures the movable jaws in place to maintain measurement accuracy.
• 📐 The vernier caliper used in the demonstration has a precision of 0.02 mm.
• 📏 To measure accurately, ensure the zero line of the nonius scale aligns with the zero line of the main scale.
• 📊 Determine the primary measurement from the main scale before checking the nonius scale for decimal values.
• 📝 When reading measurements, the line on the nonius scale that aligns with the main scale indicates the decimal value.
• 📏 For example, if the main scale reads 10 mm and the nonius scale aligns at 0.4 mm, the total measurement is 10.4 mm.
• ✅ Understanding how to read both the main and nonius scales is crucial for accurate measurements with a vernier caliper.

Q & A

What are the main parts of a vernier caliper?

The main parts of a vernier caliper include the inner jaws, outer jaws, depth probe, main scale, nonius scale, and the locking screw.

What is the function of the inner jaws of the vernier caliper?

The inner jaws are used to measure the diameter of an object or the thickness of a material.

How are the outer jaws of the vernier caliper used?

The outer jaws are designed to measure the inner diameter of a hollow object.

What does the depth probe measure?

The depth probe is used to measure the depth of a hole or an object.

What units are indicated on the main scale of the vernier caliper?

The main scale displays measurements in millimeters and inches.

How is the precision of the vernier caliper determined?

The precision of the vernier caliper is determined by the smallest division on the nonius scale; in this case, it is 0.02 mm.

What is the importance of aligning the zero mark on the nonius scale?

It is crucial to ensure that the zero mark on the nonius scale is aligned with the zero mark on the main scale for accurate measurements.

How do you read the measurement from a vernier caliper?

First, note the main scale reading where the zero mark of the nonius aligns, then find the nonius scale line that aligns best with a line on the main scale to determine the decimal value.

What is the measurement process demonstrated in the video?

The process involves determining the main scale value and then adding the decimal value from the nonius scale to get the final measurement.

Can you provide an example of how to read a measurement from the vernier caliper?

For example, if the main scale reads 29 mm and the nonius scale shows a value of 0.4 mm, the total measurement is 29.4 mm.