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.
SNCV1 Non-contact Voltage DetectorThis non-contact voltage detector features an analog feel. The closer the probe is to the voltage source, the louder and brighter the indicators become. Detects AC voltages...
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...
Electrical Range Brochure The Testo 745 non-contact voltage tester with a measuring range of up to 1,000 V is particularly well-suited to fast initial checking of any suspected fault sources....
DOWNLOAD BROCHURE Electrical Range Brochure Measuring current with a voltage tester? The innovative testo 755-1 makes this possible – and is, therefore, suitable for virtually all daily electrical measuring tasks....
DOWNLOAD BROCHURE Electrical Range Brochure The testo 750-3 voltage tester is the most high-performance model in Testo's convenient and reliable voltage tester family. In addition to the unique fibre-optic technology,...
UT255B Uni-T Wireless High Voltage Clamp Ammeter DOWNLOAD BROCHURE DOWNLOAD MANUAL The UT255B high voltage clamp ammeter can measure up to 69kV high voltage line current and leakage current. UT255...
UT255A Uni-T High Voltage Clamp Ammeter DOWNLOAD BROCHURE DOWNLOAD MANUAL The UT255A high voltage clamp ammeter can measure up to 69kV high voltage line current and leakage current. UT255 comes...
MT478 Major Tech AC/DC Digital Voltage Tester 1000V DOWNLOAD DATASHEET The Major Tech MT478 is a 2-Pole voltage, continuity and phase tester with rapid LED indication of voltage levels. The backlit...