Fluke 1AC II Non-Contact Voltage Tester

Fluke 1AC II Non-Contact Voltage Tester is rated 4.5 out of 5 by 33.
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  • 1AC II Voltage Tester
  • 1AC II Non-Contact Voltage Testing

Key features

  • Be aware of voltage easily - the tip glows red and a beeper sounds when voltage is detected
  • Continuous self-test so you always know it’s working
  • Voltage detection range for wide application use - 90 V to 1000 V AC or 200 V to 1000 V AC
  • Audible/Silent mode for added convenience
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Product overview: Fluke 1AC II Non-Contact Voltage Tester

The pocket-sized voltage detector

The portable 1AC II non-contact voltage tester from Fluke are easy to use – just touch the tip to a terminal strip, outlet, or supply cord. When the tip glows red and the unit beeps, you know there's voltage present. Electricians, maintenance, service, safety personnel, and homeowners can quickly test for energized circuits in the workplace or at home and even detect miswires of an electrical outlet.

The tip glows red and a beeper sounds when voltage is detected

  • A loud, easy to hear beeper will sound and the tip will glow red when voltage is detected
  • Optionally, the beeper can be disabled for use in quiet environments

Continuous self-test so you always know it’s working

  • When the tip blinks red you know it’s working properly
  • Provides a continual visual indication that the 1AC II is on

90 V to 1000 V AC or 200 V to 1000 V AC voltage detection range for wide application use

  • Wide voltage detection range allows for use in a broad range of applications
  • Also available in a low voltage model from 20 V to 90 V AC for controls circuits

Safety features

  • Rated to CAT IV 1000 V for added protection
  • CE and CSA approved

Additional tool features

  • Audible/Silent mode for added convenience in quiet environments
  • On/Off button
  • Batteries included
  • 2 year warranty

Specifications: Fluke 1AC II Non-Contact Voltage Tester

Operating PrinciplesSenses the steady state electrostatic field produced by AC voltage through insulation without requiring contact to the bare conductor. A red glow at the tip and a beeping noise (if not switched OFF) indicates the presence of voltage.
Voltage sensing rangesNominally, 90 V AC to 1000 V AC
Detector tip styleFlat-tip
Light sourceOne high intensity red LED
Agency Approvals
SafetyIEC 61010-1: Pollution Degree 2, IEC 61010-2-030: CAT IV 1000 V
EMCIEC 61326-1: Portable
IP RatingIP 40
Operating Temperature-10°C to 50°C (-14°F to 122°F)
Operating Humidity Ranges0% to 95% (0°C to 30°C)
0% to 75% (30°C to 40°C)
0% to 45% (40 to 55°C)
Operating Altitude3000 m
CleaningClean with damp cloth
Batteries2 AAA alkaline batteries included
Battery LifeTypical battery life of greater than 1 year
Warranty PeriodTwo years
Product does not respond to random electrostatic discharge.

Models: Fluke 1AC II Non-Contact Voltage Tester

Fluke 1AC II

Fluke 1AC-II Non-Contact Voltage Tester

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Rated 2 out of 5 by from nice tool. batteries are always dead. now when I put new ones in all it does is beep constantly. this is my second and last one. there are other brands out there to consider. just out of the warranty by 2 months. store wont replace it
Date published: 2019-09-20
Rated 5 out of 5 by from Reliable after 4 years I've had this tester for 4 years and have tried to take good care of it. I use it within its designed purpose and it hasn't failed me yet with false negatives like other testers may. Finally a few months ago the clilp broke on it in the winter, I believe because it became brittle from the cold. Other reviewers mention the tip breaking off. I have been careful of this but I have seen others with the same tester have it happen. I won't use a different tester though, this one is in my opinion the best, functionally.
Date published: 2019-05-04
Rated 2 out of 5 by from Not a Non- Contact! This works perfectly fine with direct contact but unreliable with non-contact. I got shocked changing a garbage disposal switch because it was placed against the wire insulation and not the switch screws (which all of the cheaper brands I've owned was more than close enough) and gave me a false negative reading even though I had the wrong breaker off due to incorrect labeling in the panel. Fluke volt and multimeters are the best of the best but just a warning this needs direct contact for accuracy.
Date published: 2019-04-26
Rated 3 out of 5 by from Not for everyday pocket carry I have had this voltage tester for 3 months, and it has functioned properly the entire time. No battery replacement was need from occasional daily use during this period. It recently failed due to the tip breaking off in my pocket. This is not an every day carry item for the pocket
Date published: 2019-03-21
Rated 3 out of 5 by from Great tester, needs better "dropability" I've been using this kind of pen tester for years and really is the only one I ever want to buy. However, recently when I dropped my tester, it got stuck in a weird setting where it beeps non-stop, making me not have any faith in the tester anymore. I need to be sure my equipment, especially my voltage detector is up to par. My only solution now is to buy a brand new one. I took off 2 stars, just for the fact that my tester malfunctioned because it was dropped. These testers need to have a better dropability, especially if its only from a height of 5 feet!
Date published: 2019-03-07
Rated 5 out of 5 by from The most accurate and durable voltage detector I have tried many voltage detection tools over the 18 years of my career as an electrician (residential, industrial, commercial, maintenance), but Fluke makes the most accurate and durable one that I've ever used and I'll be sticking with it, since I bought my first one (earlier Fluke model) about 15 years ago. Many others are too sensitive and will light up as soon as it's inside of a junction box of live wires. With the Fluke 1AC, one can identify each live source with no problem; of course as voltage goes up, sensitivity does as well, but so it goes with any such tool. Some people complain about the tips breaking, but this has not been my experience, as I've dropped mine several times from about 3 feet, which has broken every other brand that I've bought. Being able to use the tool without the sound is great, as one can go about troubleshooting without distracting those who are around. The light flashes in intervals when not near a live source to let you that it's working, which is quite handy; however, always test on a known live source first. This IS NOT A LIFE SAFETY TOOL, this is a great TROUBLESHOOTING TOOL. If you are looking to save time and be more efficient before using your meter, I would recommend the Fluke 1AC to do so. Just avoid hard impacts and change the batteries regularly and you'll have this tool for quite some time.
Date published: 2017-10-22
Rated 5 out of 5 by from life saver this instrument can save your live, id be lost or dead without it... both time ive been shocked i have not had it with me...STUPID me... i carry it all the time on my work cart. VERY RELIABLE INSTRUMENT.. ALTHOUGH DO NOT SOLELY RELY ON THIS ALWAYS CHECK WITH A METER.
Date published: 2013-05-30
Rated 5 out of 5 by from Awesome! Had this for over 3 years and still works amazing!
Date published: 2012-07-28
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