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

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

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.