Fluke 1AC-A1-II VoltAlert™ AC Voltage Detector – 90 to 1000V
The Fluke 1AC-A1-II is a compact, reliable non-contact AC voltage detector designed for fast, safe, and convenient voltage checks. Operating within a range of 90 to 1000V AC, it provides a clear visual and audible alert whenever voltage is detected—making it an essential tool for electricians, HVAC techs, and maintenance professionals.
Just touch the tip to a terminal strip, outlet, or power cord—when the tip glows red and the unit beeps, you know there’s voltage present. Slim and pocket-sized, the VoltAlert™ fits easily into any toolkit and is ready to go with the push of a button.
Key Features:
Model: 1AC-A1-II
Voltage detection range: 90V to 1000V AC
Non-contact design for safe, easy testing
Visual (red glow) and audible voltage presence indicator
Pocket-sized with clip for easy carrying
Powered by 2 AAA batteries (included)
CAT IV 1000V safety rated
Trusted by professionals worldwide, the Fluke 1AC-A1-II makes quick voltage checks simple, safe, and dependable—every time.

