








UNI-T Non-Contact Voltage Tester Pen UT12 Series
The Non-Contact Voltage Tester Pen gives you fast, safe electrical checks without touching live wires. This voltage tester pen helps you identify AC voltage instantly and confidently.
Non-Contact Voltage Tester Pen – Benefits for You
✅ Detect voltage safely without direct contact so you can work with greater confidence.
✅ Switch sensitivity levels easily so you can adapt to both light-duty and professional tasks.
✅ Receive clear visual and audio alerts so you immediately know when a circuit is live.
✅ Carry it comfortably in your pocket so you can run quick checks anytime.
✅ Use the built-in flashlight so you can inspect wires and panels even in low light.
Equip your toolkit with a reliable tester that makes every electrical task simpler and safer.
The UT12D, UT12E, and UT12M versions of this voltage tester are created for situations where speed and accuracy matter. Electricians, technicians, and homeowners rely on tools like this when troubleshooting outlets, switches, breaker panels, and appliance wiring. The non-contact design keeps you safe by letting the tester sense voltage from a short distance, lighting up and sounding an alert when it detects active current.
The pen-shaped body is crafted for comfortable everyday use. Whether you are diagnosing a faulty socket, confirming a safe work area, or checking wires inside tight spaces, the tester stays responsive and easy to maneuver. Dual sensitivity settings allow you to adjust detection strength depending on the environment—helpful for both quick household checks and more demanding electrical work.

The LED tip glows in different colors to guide your actions, and the buzzer provides an extra layer of clarity when visibility is limited.

Each model includes thoughtful additions such as a handy clip, a sturdy ABS housing, and automatic shutoff to conserve battery power during long workdays.

Professionals will appreciate the strong impact resistance, while DIY users will enjoy how intuitive the alerts and controls feel. Extra functions like magnetic solenoid detection or vibration feedback (depending on the model) help you tailor the tester to your preferred working style.

The tester handles a wide range of AC voltages and performs consistently across typical indoor temperatures, making it a dependable everyday companion for troubleshooting and inspection tasks.

Choose the UT12 series today and bring dependable voltage detection to every project you take on.
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