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Yellow plastic voltage tester pen with LCD screen and red tip, 15 cm long

aFe Power Voltage Tester KTL01 12-1000V AC Dual Range LCD

SKU CH-F2CB-QCVAN

Non-contact AC voltage tester with dual-range 12-1000V and 70-1000V detection, LCD percentage display, audible and visual alerts, and CAT III 1000V CAT IV 600V safety rating

  • Team affiliation1 Piece
  • Key featuresVoltage Tester, Ce, Iec Cat.iii 1000v Cat.iv 600v, Battery P
  • Overall height15 L x 2 W x 2 H centimeters
  • Overall width15 L x 2 W x 2 H centimeters
  • Overall length15 L x 2 W x 2 H centimeters
  • Product weight80 g
  • Non-contact detection up to 1000 V AC with red LED and audible alert
  • Dual-range sensitivity from 12 V to 1000 V AC for flexible measurements
  • CAT III 1000 V and CAT IV 600 V safety rating with CE compliance
  • Live and null wire identification via colour-coded LCD and percentage display
  • Auto power-off after 5 minutes and low-battery indicator at 2.3 V

aFe Power Voltage Tester KTL01

The aFe Power KTL01 is a non-contact AC voltage tester built for electricians, homeowners and technicians who need fast, safe live-wire identification. It detects voltage without metallic contact and provides audible and visual alerts that change with signal strength.

Who it suits and who it does not

Suits users who want dual-range sensitivity from 12 V to 1000 V AC and a percentage readout for intuitive signal assessment. Not suited for buyers who need DC voltage measurement, continuity testing, current clamping or a built-in flashlight for dark enclosures.

Capacity and headroom

Comfortably handles residential and light-commercial circuits up to 1000 V AC with IEC CAT III 1000 V and CAT IV 600 V ratings. Runs out when a task requires DC verification, resistance checks, or energy-level measurements beyond simple AC presence indication.

How it compares

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

Price $19.99
Cheaper than about 80% of the 971 comparable items (median $30.99).

Specifications

Product
Brand nameaFe Power
Product typeClamp
Size & build
Overall height15 L x 2 W x 2 H centimeters
Overall width15 L x 2 W x 2 H centimeters
Overall length15 L x 2 W x 2 H centimeters
Product weight80 g
More details
Team affiliation1 Piece

Questions about this item

Which batteries must I have ready for the aFe Power KTL01 to operate?

Two 1.5 V AAA cells are required; a low-battery symbol appears when voltage drops below 2.5 V and the tester shuts off below 2.3 V.

Can the KTL01 detect voltage on the 12 V AC wiring I plan to keep in my irrigation system?

Yes, the high-sensitivity mode covers 12 V to 1000 V AC, so low-voltage circuits such as doorbells, thermostats and irrigation wiring are detected.

How do I confirm the KTL01 is working correctly after I install the batteries?

Bring the tip near a known live conductor; the red LED should flash, the buzzer should sound at a rate that rises with signal strength, the LCD shows a percentage value and bar graph, and the screen turns red for high voltage or green for null wire.

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