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Pen-style voltage tester with LCD display, LED flashlight, and adjustable sensitivity dial

aFe Power AC1 Non-Contact Voltage Tester 12-1000V 9 Gear Adjustable Sensitivity

SKU CH-X5PB-G5NB7

Detects AC voltage from 12 to 1000 V without contact using nine adjustable sensitivity gears, with LED flashlight and audible alarm

  • Team affiliation1 Piece
  • Key featuresCE, Battery Powered, true
  • Overall height129 L x 20 W x 29 H millimeters
  • Overall width129 L x 20 W x 29 H millimeters
  • Overall length129 L x 20 W x 29 H millimeters
  • Product typeClamp
  • Non-contact detection from 12 V to 1000 V
  • 9 adjustable sensitivity gears for precise ranging
  • Visual and audible alarms show signal strength
  • Built-in LED flashlight aids work in darkness
  • Auto power-off after 3 minutes saves battery

Non-Contact AC Voltage Detection

This aFe Power AC1 tester identifies live AC conductors without metallic contact. Electricians, maintenance technicians and DIY users can verify circuit status by holding the probe near sockets, cables or breakers. The tool covers a detection span from 12 V up to 1000 V, suiting both low-voltage control wiring and standard mains supplies.

Visual and Audible Alert System

When voltage is sensed, the LCD shows signal strength through a five-LED bar while a buzzer emits a corresponding tone. Two red LEDs flag high-level fields, two green mark medium and one green marks low intensity. An integrated LED flashlight aids work in dim enclosures. The unit powers down automatically after three minutes without activity or signal, conserving the two included 1.5 V AAA cells.

Adjustable Sensitivity and Wire Discrimination

Nine selectable gears let the operator shift between a 12 V to 1000 V range and a 90 V to 1000 V range, reducing false triggers on noisy panels. A live/null wire judgment function helps distinguish energised conductors from neutrals in crowded junction boxes. The package supplies the tester, two batteries and a printed manual; no carrying case, calibration certificate or PC software is provided.

How it compares

Measured against everything we stock in Multimeters & Electrical Testers, at today’s prices. Recalculated every night.

Price $18.99
Cheaper than about 83% of the 971 comparable items (median $30.99).

Specifications

Product
Brand nameaFe Power
Product typeClamp
Size & build
Overall height129 L x 20 W x 29 H millimeters
Overall width129 L x 20 W x 29 H millimeters
Overall length129 L x 20 W x 29 H millimeters
More details
Team affiliation1 Piece

Questions about this item

How do I install the batteries in the aFe Power AC1 and what is the common mistake?

Insert two 1.5V AAA batteries matching the positive and negative markings inside the compartment; reversing the polarity will stop the tester from working.

What maintenance will the AC1 voltage tester need over time?

Replace the two AAA batteries when the low-battery indicator shows they are depleted; the auto power-off after three minutes of inactivity helps extend battery life.

At what voltage does the adjustable sensitivity stop detecting under sustained use?

The nine gear settings cover two selectable ranges — 12 V to 1000 V or 90 V to 1000 V — so the upper detection limit remains 1000 V regardless of the gear chosen.

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