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Yellow pen-shaped voltage detector with pocket clip

Fluke

Fluke 1AC-A1-II AC Voltage Detector measurement tool

SKU CH-F38Y-EYWD0 MPN 1AC-A1-II

Non-contact AC voltage detector with continuous battery self-test and CAT IV 1000 V overvoltage rating

  • Analog/DigitalDigital
  • TypeVoltage Detector
  • Continuous self-test flashes confirm battery and circuit integrity
  • CAT IV 1000 V rating provides the highest over-voltage protection in its class
  • Digital voltage detection without contact for quick safety checks
  • Pocket-sized design with clip for convenient everyday carry

Non-contact voltage detection

The Fluke 1AC-A1-II is a digital AC voltage detector designed for non-contact identification of live conductors. It continually monitors its own battery and circuit integrity, signalling status through a periodic double flash. A Category IV 1000V overvoltage rating provides the highest level of protection available for this tool type.

Electrical safety professionals

This detector suits electricians and technicians who require verified tool integrity before testing live circuits. It is not intended for users needing precise voltage measurements, continuity checks, or current readings, as it functions solely as a presence indicator.

Highlights

  • Continuous self-test flashes confirm battery and circuit integrity
  • CAT IV 1000 V rating provides the highest over-voltage protection in its class
  • Digital voltage detection without contact for quick safety checks
  • Pocket-sized design with clip for convenient everyday carry

Specifications

BrandFluke Networks
Model1AC-A1-II
Analog/DigitalDigital
TypeVoltage Detector

Questions about this item

What does the 1000 V Category IV rating mean for everyday use?

It certifies the detector for permanent connection to low-voltage utility circuits up to 1000 V, so it is safe for service-entrance panels and outdoor transformers.

How does the tip detect voltage without metal contact?

An internal capacitive sensor picks up the electric field radiating from an AC conductor, lighting the red LED when voltage is present.

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