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Learn more by watching our Fluke 1AC II Non-Contact Voltage Tester video.
Additional related video.
The Fluke 1AC-II is a non-contact voltage tester rated 90–1000V AC, designed to detect energized circuits through insulation without bare-conductor contact. The 1AC-II operates via an electrostatic field sensor, lighting a red tip and sounding an audible beep when voltage is present. It complies with Australian electrical safety standards and is certified to CAT IV 1000V overvoltage rating, the highest category of protection for this tool class.
Quick voltage verification on the job is often the first step after isolating a circuit. Electricians and maintenance technicians value the 1AC-II for its speed on site: it takes seconds to confirm a supply is de-energized before working on outlets, switchboards, or distribution boards. The rugged pocket-sized form fits toolbelts and van drawers, and the continuous self-test (periodic double-flash visual indication using Fluke Voltbeat technology) confirms the unit is working before each use. No complex setup, no calibration. Just touch the tip to the conductor or terminal, and the tester immediately indicates energized or de-energized status.
Trade-proven design and margin play support the 1AC-II as a standard first-line tester for licensed sparkies. The Fluke brand commands customer confidence and retail margins that reward stocking and specifying the tool. Battery operation (2 included AAA cells) means no downtime waiting for recharge, and the straightforward two-year warranty covers manufacturing defects on the original purchase. Fluke's international standing means technicians moving between jobs or regions can rely on the same detection method and physical form.
The Fluke 1AC-II is not suitable for detecting low-voltage control circuits below 90V AC (a separate 20–90V model is available for this application). It does not respond to random electrostatic discharge or static buildup and is not waterproof, so it must not be used in fully submerged or continually wet environments.
Verified Sparky Direct customer reviews: Fluke 1AC-II (1AC-II)
"Great little tester, does exactly what it should." — Mick
"Cant go wrong with this volt stick. Best one going round." — Shaymus
"Excellent. Simple, instinctive operation. Good loud sound. Very highly recommended. Fluke is trade quality." — Redelf
(Fluke-1AC-II)
The 1AC-II senses the steady-state electrostatic field produced by ac voltage through insulation. When the detector tip is held near a live conductor (inside a wall, inside conduit, or on the outer insulation of a cable), the electrostatic field triggers the red LED glow and beep. The sensing occurs through the insulation layer, so direct contact to a bare conductor is not required, reducing arc and shock hazards during fieldwork.
No. The 1AC-II detects 90–1000V AC only. For control circuits, pilot lights, and other low-voltage applications between 20–90V AC, Fluke offers a separate 1LAC model. Using the 1AC-II on circuits below 90V may produce no indication or false results.
Yes. The Fluke 1AC-II produces a loud, easy-to-hear beeping sound when voltage is detected. The beeper can be toggled to Silent mode using the On/Off button if you are working in quiet environments (such as late-night residential calls) where audible feedback is inappropriate or distracting.
The 1AC-II includes Fluke Voltbeat continuous self-test technology. When powered on, the tip blinks red with a periodic double-flash visual indication. This confirms that the battery is charged and the unit's internal circuit is functioning properly. You do not need to test it on a live circuit to verify it is working.
CAT IV (Category IV) 1000V is the highest overvoltage protection rating for handheld electrical test tools. It means the 1AC-II is designed to withstand transient voltage surges from the primary supply level (the electricity meter or overhead/underground utility service entrance). This protection helps protect the user if the tool is accidentally exposed to sudden high-voltage spikes during testing near main supply points.
No. The 1AC-II has an IP 40 rating, which means it is dust and splash resistant but not waterproof or submersible. It must not be used in wet environments, underwater, or in fully submerged applications. Water ingress can damage the internal battery and sensing circuit and create a shock hazard.
No. The 1AC-II detects only steady-state ac voltage fields (ac mains at 50–60 Hz). It does not respond to random electrostatic discharge (ESD) or static buildup. If you need to detect static charges, you will require a different tool designed for ESD detection.
The Fluke 1AC-II is available online from Sparky Direct, with Australia-wide delivery to any state or territory including regional areas. Sparky Direct is an Australian electrical wholesaler established in 2005, supplying more than 500,000 customers with transparent trade pricing.
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Warranty starts from Invoice Date
Domestic Use: 2 Year
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Warranty Method: Return to Sparky Direct
These specifications and characteristics outline physical, mechanical, electrical details.
| Brand | Fluke |
| SKU | Fluke-1AC-II |
| Barcode # | 195112030394 |
| Package Weight | 0.096kg |
| TYPE | VALUE |
|---|---|
| Type | Tools |
| Power Source | 2 x AAA alkaline batteries (included) |
| IP Rating | IP40 |
Electrical and HVAC products sold by Sparky Direct are intended for installation by licensed and appropriately qualified professionals in accordance with applicable Australian Standards and regulatory requirements. Customers are responsible for ensuring that any product purchased, including any related or associated components, is compatible and suitable for their intended installation and application.
Sparky Direct does not provide installation advice and does not assess product suitability for individual circumstances unless expressly confirmed in writing. Customers must confirm correct product selection, compatibility, compliance, and suitability with a licensed or appropriately qualified professional prior to purchase.
Tools sold by Sparky Direct must be used safely and in accordance with the manufacturer’s instructions. Customers are responsible for ensuring they have the necessary knowledge and competence to operate any tool purchased. If you are unsure how to safely or correctly use a tool, do not use it and seek guidance from the manufacturer or a suitably qualified professional.
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