An angled studio shot of the Klein Tools NCVT5A dual-range non-contact voltage tester pen featuring a high-visibility yellow body with black accents. The image showcases the integrated laser pointer button, dual-mode range selection interface, and the clear sensing tip with a "Danger" laser radiation warning label.
A marketing infographic for the Klein Tools NCVT5A "Tough Meter." Text overlays highlight the bright integrated laser pointer and dual-range detection capabilities for 70–1000V AC and 12–1000V AC. Technical icons display the CAT IV 1000V safety rating, 3-meter drop protection, and CE compliance.
Product diagram for the NCVT5A voltage tester with callouts identifying the non-contact sensing voltage tip, the independent NCV and laser power buttons, the heavy-duty pocket clip, and the screw-thread battery cap that houses two AAA batteries.
The Klein Tools NCVT5A voltage tester shown with its black screw-thread battery cap removed. The image highlights the rugged build quality and the accessible battery compartment designed for easy field replacement of power cells.
A direct top-down view of the NCVT5A dual-range electrical tester. The interface clearly displays the Mode 1 and Mode 2 range indicators, the laser deployment button, and the ergonomic pocket clip with CAT IV 1000V safety markings.
A side profile shot of the NCVT5A volt pen, displaying the industrial warning labels and safety certifications printed on the yellow polymer housing. The clear sensing tip and black end cap illustrate the tool's compact, streamlined design.
Action shot showing a technician using the Klein Tools NCVT5A to detect AC voltage in a four-receptacle industrial electrical box. The clear tip is illuminated with a bright blue LED indicator, confirming active voltage detection within the circuit.
Close-up perspective of the NCVT5A laser pointer in use. A high-strength red laser beam is projected from the sensing tip, demonstrating its utility for identifying specific electrical components or wires at a distance in a dark industrial ceiling.
A professional application shot of a technician using the NCVT5A laser pointer to identify a specific breaker on a large industrial power distribution panel. The image highlights how the laser pointer aids in communication and identification on complex jobsites.
Technical comparison chart for the Klein Tools non-contact voltage tester lineup. The grid compares the NCVT1P, NCVT2P, NCVT3P, NCVT4IR, NCVT5A, and NCVT6 models based on features like drop protection, IP ratings, laser integration, and audible/visual alarm configurations.
The Name on the Tools is Our Reputation promotional how to video
An angled studio shot of the Klein Tools NCVT5A dual-range non-contact voltage tester pen featuring a high-visibility yellow body with black accents. The image showcases the integrated laser pointer button, dual-mode range selection interface, and the clear sensing tip with a "Danger" laser radiation warning label.
A marketing infographic for the Klein Tools NCVT5A "Tough Meter." Text overlays highlight the bright integrated laser pointer and dual-range detection capabilities for 70–1000V AC and 12–1000V AC. Technical icons display the CAT IV 1000V safety rating, 3-meter drop protection, and CE compliance.
Product diagram for the NCVT5A voltage tester with callouts identifying the non-contact sensing voltage tip, the independent NCV and laser power buttons, the heavy-duty pocket clip, and the screw-thread battery cap that houses two AAA batteries.
The Klein Tools NCVT5A voltage tester shown with its black screw-thread battery cap removed. The image highlights the rugged build quality and the accessible battery compartment designed for easy field replacement of power cells.
A direct top-down view of the NCVT5A dual-range electrical tester. The interface clearly displays the Mode 1 and Mode 2 range indicators, the laser deployment button, and the ergonomic pocket clip with CAT IV 1000V safety markings.
A side profile shot of the NCVT5A volt pen, displaying the industrial warning labels and safety certifications printed on the yellow polymer housing. The clear sensing tip and black end cap illustrate the tool's compact, streamlined design.
Action shot showing a technician using the Klein Tools NCVT5A to detect AC voltage in a four-receptacle industrial electrical box. The clear tip is illuminated with a bright blue LED indicator, confirming active voltage detection within the circuit.
Close-up perspective of the NCVT5A laser pointer in use. A high-strength red laser beam is projected from the sensing tip, demonstrating its utility for identifying specific electrical components or wires at a distance in a dark industrial ceiling.
A professional application shot of a technician using the NCVT5A laser pointer to identify a specific breaker on a large industrial power distribution panel. The image highlights how the laser pointer aids in communication and identification on complex jobsites.
Technical comparison chart for the Klein Tools non-contact voltage tester lineup. The grid compares the NCVT1P, NCVT2P, NCVT3P, NCVT4IR, NCVT5A, and NCVT6 models based on features like drop protection, IP ratings, laser integration, and audible/visual alarm configurations.
The Name on the Tools is Our Reputation promotional how to video
KLEIN TOOLS

Klein Tools NCVT5A Dual Range Non Contact Voltage Tester Pen 12 to 1000V AC with Integrated Laser Pointer Audible Alarm Visual LED and Pocket Clip

Only 2 left
SKU: NCVT5A
$30.97 USD

Description

Klein promotional logo logout

Advanced Voltage Detection and Precision Pointing: The Klein Tools NCVT5A Dual-Range Tester

The Klein Tools NCVT5A is a high-performance dual-range non-contact voltage tester (NCVT) designed to provide maximum versatility and safety for professional electricians and maintenance technicians. This innovative tool features two distinct modes of operation: Mode 1 detects standard voltage from 70 to 1000V AC for mains supply and circuit breakers, while Mode 2 offers high-sensitivity detection from 12 to 1000V AC. The expanded low-voltage range makes it the perfect diagnostic tool for doorbells, thermostats, irrigation systems, and complex security networks. By allowing you to identify live wires without physical contact, the NCVT5A provides an essential layer of protection before you begin any electrical installation or repair task.

What sets the NCVT5A apart is the integrated high-strength Class IIIa red laser pointer, which can operate independently or simultaneously with the voltage sensor. This feature is invaluable for identifying specific objects of interest at a distance on busy jobsites, allowing for clearer communication between team members. The tester utilizes an intuitive interface with simultaneous visual and audible indicators; a high-pitched beep increases in frequency as you get closer to the voltage source or sense higher voltages. Built to survive the most demanding environments, this compact pen-style tester is rated CAT IV 1000V and is drop-tested up to 9.8 feet (3 meters). With a durable pocket clip and a screw-thread battery cap, it is the ultimate everyday carry tool for electrical professionals.

Key Features

  • Dual-Range Testing: Selectable ranges of 12-1000V AC for low voltage or 70-1000V AC for standard electrical mains.
  • Integrated Laser Pointer: High-visibility Class IIIa red laser for pointing out components across the jobsite.
  • Audible & Visual Indicators: Simultaneous high-intensity LED and beeping alarm that changes frequency based on voltage proximity.
  • Industrial Durability: Rated CAT IV 1000V for professional safety and engineered to withstand a 9.8-foot (3-meter) drop.
  • Intuitive Interface: Easy-to-use buttons allow for quick switching between modes and independent laser operation.
  • Compact Portability: Lightweight design with a heavy-duty pocket clip for secure storage and immediate access.

What's Included

  • (1) NCVT5A Dual-Range Non-Contact Voltage Tester with Laser
  • (2) AAA Batteries
  • (1) Instruction Manual

Specifications

Tester Type Non-Contact Dual Range
Voltage Detection 12 - 1000V AC / 70 - 1000V AC
Laser Specification Class IIIa, 630-670nm, <5mW
Safety Rating CAT IV 1000V
Frequency Range 50 to 500 Hz
Drop Protection 9.8 ft (3 m)
Batteries Required 2 x AAA (Included)
Battery Life (NCV Only) 25 Hours
Overall Length 6.0 in
Overall Width 0.96 in
Overall Height 1.16 in
Weight 1.5 oz

Pro-Tip: The dual-range mode is particularly useful for identifying "ghost" or induced voltage. If the tester beeps in the 12V mode but remains silent in the 70V mode, you are likely dealing with low-level induced voltage rather than a live mains circuit, allowing you to narrow down your troubleshooting faster.