MENGENAL ALAT INSULATION TESTER KYORITSU DAN CARA PENGOPERASIANNYA #1

Summary

In this video, the host shares insights on insulation testers, specifically the Kyoritsu 3005A model. The video explains the function of insulation testers in measuring the resistance of insulation materials, such as cables, MCB casings, and isolators. It highlights key features of the tester, including voltage selection (250V, 500V, 1000V DC), the importance of safety while testing, and the tester’s ability to output DC voltage. The video emphasizes careful handling to avoid electric shock and residual voltage after tests. Practical demonstrations of the device’s use and safety procedures are also covered.

Takeaways

• 😀 The video provides a tutorial on insulation testers, focusing on their function and how to use them in electrical testing.
• 😀 The insulation tester, often mistakenly called 'Mager' (which is a brand name), is used to measure the resistance of electrical insulation.
• 😀 Insulation is important in various components like cables (the outer coating) and electrical panels (isolators separating busbars from the body).
• 😀 The insulation tester is crucial for measuring the resistance of cable insulation and components like MCB casings.
• 😀 The tester can measure insulation resistance values from 20 Mega Ohms up to 2000 Mega Ohms, depending on the setting.
• 😀 It features a selector for different resistance ranges, such as 20 Mega Ohms, 200 Mega Ohms, and 2000 Mega Ohms.
• 😀 The device also has a continuity setting for measuring low resistance values, commonly used for testing Ohm values.
• 😀 Insulation tests are usually conducted at voltages of 250V, 500V, or 1000V DC, with 1000V being the most common setting for panels.
• 😀 The tester operates on a 12-volt battery, which is converted to a DC voltage output (1000V, 500V, or 250V) for testing.
• 😀 It is essential to avoid touching the device or the object being tested during the test, as there can be electrical shocks even after disconnecting the tester.

Q & A

What is the primary function of an insulation tester?

An insulation tester is used to measure the resistance of insulation, typically in cables or electrical panels, to ensure it is functioning correctly and safely separating conductors from other components.

Why do people sometimes refer to insulation testers as 'mager'?

'Mager' is actually a brand name, but because the brand became widely known, people began referring to insulation testers in general as 'mager,' even though that is not the actual product name.

What are some common examples of insulation tested by this device?

Common examples of insulation tested include the outer sheath of cables (cable insulation), insulators in panels, and the casing of MCBs (Miniature Circuit Breakers).

What is the purpose of the selector button on an insulation tester?

The selector button allows the user to choose between different measurement modes, such as insulation testing or continuity testing. It also helps to select the voltage level for insulation testing.

What voltage levels can the insulation tester be set to?

The insulation tester can be set to different voltage levels for testing, such as 250V, 500V, or 1000V DC, depending on the specific testing requirements.

What is the maximum resistance the insulation tester can measure?

The insulation tester can measure resistance up to 2000 Mega Ohms, depending on the selected range on the device.

How does the insulation tester work to measure insulation resistance?

The tester works by applying a DC voltage (250V, 500V, or 1000V) to the insulation and measuring the resulting resistance. The device uses its internal battery to generate the required test voltage.

What safety precautions should be followed while using the insulation tester?

It is important to avoid touching the tested components during the insulation test, as the device generates high voltage (up to 1000V). Additionally, after the test, the tester should be properly disconnected, and residual charge should be discharged before handling the components.

What should be done after completing an insulation test with the tester?

After completing the insulation test, the cables should not be immediately disconnected. First, release the lock button on the tester to allow it to safely discharge any residual voltage, and only after the 'save' message appears should the components be handled.

Why is the insulation tester's power source important in the testing process?

The insulation tester's internal battery is crucial as it powers the device to generate the required test voltage. This battery is responsible for converting low voltage (from the battery) into higher voltages (250V, 500V, or 1000V) needed for the test.