Voltage Detection Tools for Electricians and HVAC-R Technicians
Discover our premium line of voltage testers built for electricians, HVAC‑R techs, maintenance crews, and inspection work. Measure safely, detect live wires instantly, and protect yourself and your systems.
Why Our Voltage Testers Excel
Instant Detection and Accuracy – Non‑contact sensing, two‑pole LED/analog display, and accurate readings for AC/DC voltage.
Built for Safety – High safety ratings, durable casings, IP protection, and compliance with relevant standards.
Versatile Measurement Types – Voltage, continuity, phase, current measurement—everything from basic testers to advanced testers.
Durability and Portability – Rugged designs, drop resistance, compact form factors, and weather/dust‑resistant units for field use.
User‑Friendly Features – Clear LEDs, audible alerts, bright backlit displays, probe holders, and easy‑to‑read scales.
Choosing the Right Voltage Tester: Key Features to Consider
Safety Ratings (CAT II, III, IV) and IP Protection - Ensure your tester meets the right category rating for your work environment and includes IP protection against dust and moisture.
Voltage Range and Sensitivity - Look for testers that cover both low and high voltage ranges, with reliable detection sensitivity for accurate results.
Display and Alerts - Choose between LED, analog, or digital displays, and ensure your tester has clear visual and audible alerts for live voltage.
Rugged Build and Durability - Field use demands tools that last. Look for drop-tested, impact-resistant designs with protective casing.
Advanced Functions - Need more than voltage? Go for testers with continuity testing, phase rotation, or current detection capabilities.
Buy Voltage Testers with Confidence
Full product sheets provided, including key specifications like voltage range, safety standard, detection method, and casing protection.
All voltage testers are genuine, from trusted brands like Fieldpiece, Testo, Uni‑T, Major Tech, etc.
Manuals and datasheets available for download for every voltage tester model.
MT400 Major Tech AC Non-Contact Voltage Detector 600V DOWNLOAD DATASHEET The Major Tech MT400 600V AC NCV Detector quickly checks for the presence of live wires before performing any electrical testing....
MT990 Major Tech Voltage and Current Calibrator DOWNLOAD DATASHEET The MT990 is a portable Process Current Calibrator used for calibrating process devices and measuring process signals, as well as general-purpose signal...
MT250 Major Tech AC Voltage and Current Data Logger DOWNLOAD DATASHEET The Major Tech MT250 AC Voltage and Current Data Logger is user-friendly with USB programming, LCD display, and 1-second sampling....
MTK10 Major Tech Apprentice Test Kit DOWNLOAD DATASHEET The Major Tech MTK10 is an Apprentice Test Kit that includes a clamp meter, an insulation tester, an ELCB tester, a non-contact detector...
MT700 Major Tech True RMS 200A AC Voltage & Current Tester DOWNLOAD DATASHEET The Major Tech MT700 is a CAT IV 600V, 2000 count True RMS 200A AC digital clamp meter...
Uni-T AC Voltage Detector The UT12E and UT12M are UNI-T’s professional-grade voltage detectors. They are designed with IP67 dust/water resistant and can withstand 2-meter drop. These durable devices are great...
Uni-T Voltage and Continuity Tester The UT18 series are designed for testing AC/DC voltage, 3-phase voltage, phase sequence, continuity, and more. This series is categorized as CAT IV 600V and...
Uni-T Voltage and Continuity Tester The UT18 series are designed for testing AC/DC voltage, 3-phase voltage, phase sequence, continuity, and more. This series is categorized as CAT IV 600V and...