Fluke 2AC Alert Voltage Tester, 90–1000 V AC

The Fluke 2AC Alert Voltage Tester is a pocket-style non-contact detector listed for 90 to 1000 V AC. Its glowing tip, audible alert and battery-check feature support quick go/no-go checks, but customer feedback reports mixed experiences with accuracy and the indicator.

At a glance

Detects AC voltage without making contact, across the listed 90–1000 V AC range.
The listing describes a glowing tip and an audible alert when voltage is detected.
A battery-check feature and continuous self-test provide checks on the tester's readiness.

Price

$29.99Save 33%

Reference price: ~~$44.99~~

Price checked: Nov 14, 2026

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Often bought together

Fluke BK120 SmartTrace Breaker Finder and Socket Tester

$49.99

Fluke 1AC II VoltAlert Non-Contact Voltage Tester, Pocket-Sized, 90-1000V AC, Audible Beeper, CAT IV Rating

$35.99

Pros and cons

Pros

Non-contact checking can help identify energized outlets, terminals and power cords without touching conductive parts.
Visual and audible alerts offer two ways to notice detection.
Always-on operation and a battery check are useful for quick troubleshooting readiness.

Cons

It is a go/no-go detector, not a numeric voltage-reading instrument, so it does not provide a measured voltage value.

Technical specifications

10 specifications

Identity
Brand	Fluke
Model	FLK2AC/90-1000V

Detection and indicators
Detection range	90 V AC to 1000 V AC
Detection type	Non-contact voltage detection
Indication	Upon detection, tip glows
Self-test	Voltbeat technology and continuous self test so you always know it is working
Battery check	Battery Check' ensures battery is in good condition

Power and battery
Power configuration	Alkaline

Dimensions and installation
Dimensions listed	10.24 x 7.6 x 1.57 inches
Weight listed	10 g

What to know before buying

Customer feedback describes mixed accuracy and indicator behavior, including reports of excessive sensitivity or lights activating unexpectedly. Treat it as a preliminary detector, not proof that a circuit is safe or de-energized. The listed dimensions and 10 g weight may warrant checking against the physical item before relying on them.

What’s in the box

Included

Item

Who is it for?

A good fit for

Electricians who want a compact preliminary detector for outlets, terminals and power cords.
DIY users checking for likely energized AC circuits around the home.
Buyers who prefer a visual indicator with an audible alert and battery check.

Less suited to

Anyone needing an exact voltage reading or a substitute for appropriate contact testing and electrical safety procedures.
Buyers who need a tester with consistently precise threshold behavior based on the mixed customer feedback.

Fluke 2AC Alert Voltage Tester, 90–1000 V AC · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 3,070 ratings

5 stars83%83%
4 stars10%10%
3 stars3%3%
2 stars1%1%
1 star3%3%

Customer feedback highlights ease of use, utility for troubleshooting and perceived reliability, with some describing the always-on design as convenient. Other feedback is mixed on accuracy and the indicator, including reports of unexpected activation or sensitivity. For quick screening, the listed non-contact detection and visual and audible alerts are relevant, but these reports mean buyers should not treat an indication as a precise measurement or proof of a safe circuit.

Positive themes

Customers praise ease of use and usefulness for troubleshooting.
Some customers describe the tester as reliable and appreciate that it is always on.

Mixed feedback

Accuracy receives mixed feedback, with reports ranging from excessive sensitivity to doubts about precision.
The indicator light also receives mixed feedback, including reports of unexpected activation.