non contact voltage tester || wireless tester || Cable fault tester

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non contact voltage tester #wireless #tester #electronics

To make non contact tester following components required
3 X BC547 npn Transistor or BC548
1 X Red LED
1 X 220 ohm resistor
1 X piezo buzzer
1 X 9V battery
1X battery cap

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WARNING:
This video is for demonstration and education purpose only. Each demonstration presents risk and hazards that must be fully understood before attempting. And should be performed only by professionals.

By Skynet Robotics #skynetrobotics
Avinash Sonawane

When it comes to electrical safety and troubleshooting, a non-contact voltage tester is an indispensable tool. Also known as a voltage tester pen or non-contact voltage detector, this device allows you to detect the presence of electrical voltage without direct contact. The best non-contact voltage testers employ advanced technology to accurately detect voltage in various situations. To make your own non-contact voltage tester, you would need to understand the principles behind its operation, which involve using capacitive coupling to sense the electric field around a live conductor. However, it's generally recommended to purchase a commercially available non-contact voltage tester due to the intricacies involved. In the United Kingdom, some of the top non-contact voltage testers include those from reputable brands known for their reliability and accuracy. When using a voltage tester pen, simply bring the tip close to a suspected live wire, and if voltage is present, the pen will emit an audible or visual indication. This makes it a convenient and safe way to identify live electrical circuits, making it an essential tool for electricians and DIY enthusiasts alike.