Fluke 1AC-A1-I
Non-Contact Voltage Detector
(Alternate Model Number: 1AC-I)
See: Fluke 1AC-A1-II


  • Always on, uses special low power circuitry to sustain battery life and added dependability
  • Includes innovative ‘Battery Check’ button function to ensure battery is in good condition when using the tester, giving peace of mind any time you are testing
  • Voltage detection of 90 V ac to 1000 V ac, to suit a broad spectrum of residential, commercial and industrial needs
  • CAT IV 1000 V overvoltage rated product for best in class add user protection
  • Typical battery life of greater than one year, giving 24/7 365 days of added user protection
  • Integrated clip design, optimized for pocket storage in a wide range of clothing thicknesses
  • Rugged, reliable, and is built with the quality and accuracy expected from a Fluke tool
  • Two-year warranty
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Fluke 1AC-A1-I Shown

Product Information
Datasheet 2.1 MBPDF
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1AC-I is the latest product in the VoltAlert™ ac non- contact voltage tester family from Fluke and is designed to be pocket-sized and easy to use. Just touch the tip to a terminal strip, outlet, or cord. When the tip glows red you know there's voltage in the line. Electricians, maintenance, service and safety personnel, as well as DIY, can quickly test for energized circuits and defective grounds on the factory floor, in the shop, or at home.
Fluke 1AC-I Specifications
Operating principle Senses the steady state electrostatic field produced by ac voltage through insulation without requiring contact to the bare conductor. A red glow at the tip indicates the presence of voltage.
Safety Compliance Meets IEC 61010-1:2001, UL 61010-1 (2nd ed.), CAN/CSA-C22.2 No. 61010-1-04 and ISA-82.02.01 Pollution Degree 2
EMC Compliance Meets IEC 61326-1:2006
Operating 90 V ac to 1000 V ac, CAT IV 1000 V rated
Temperature Operating: -10 °C to 50 °C (-14 °F to 122 °F)
Storage: -10 °C to 50 °C (-14 °F to 122 °F)
Humidity 0 % to 95 % (0 °C to 30 °C)
0 % to 75 % (30 °C to 40 °C)
0 % to 45 % (40 to 55 °C)
Altitude 2000 m (CAT IV 1000 V)
Cleaning Clean with damp cloth
Battery Life Typical battery life of greater than one year
Warranty Period Two years
Ordering Information
Model Description Buy Online Price
1ACA1I Fluke 1AC-A1-I 1AC-I AC Voltage Detector Discontinued
See: Fluke 1AC-A1-II
Included Accessories
  • 2 - "AAA" alkaline batteries