Klein Tools NCVT-3P Dual-Range Non-Contact Voltage Tester User Manual

This user manual provides operating instructions, safety warnings, and specifications for the Klein Tools NCVT-3P dual-range non-contact voltage tester with…


Klein Tools NCVT-3P Dual-Range Non-Contact Voltage Tester User Manual - cover page
Brand
Klein Tools
Document type
User Manual
Language
English
Pages
4
File format
PDF
File size
662 KB
Published
24 October, 2026
Updated
24 October, 2026
MD5 checksum
E71A5C24737E7FF646C2B7F07B01C472

About this manual

The Klein Tools NCVT-3P is a handheld device designed to detect AC voltage from 12V to 1000V using visual and audible indicators. It features two distinct testing modes: Mode 1 for detecting voltages between 70V and 1000V, and Mode 2 for higher sensitivity detection ranging from 12V to 1000V. The device also includes an integrated flashlight that can be used independently of the voltage testing function.

What's inside

  • Warnings
  • Operating Instructions
  • Selecting Voltage Testing Mode
  • Cleaning
  • Battery Replacement
  • Function Buttons
  • General Specifications

Specifications

Measurement Range (Mode 1)70 to 1000V AC
Measurement Range (Mode 2)12 to 1000V AC
Frequency Range50 to 500 Hz
Batteries2x AAA 1.5V Alkaline
Operating Temperature-10° to 50°C (14° to 122°F)
Safety RatingCAT IV 1000V AC

Frequently asked questions

What are the two voltage testing modes?

Mode 1 detects voltages from 70 to 1000V AC, while Mode 2 detects voltages from 12 to 1000V AC.

How do I activate silent operation?

Press and hold the NCV Power-ON button for more than 2 seconds.

What happens when the battery is low?

The unit powers on with a blinking red LED, and the flashlight functionality is disabled to conserve battery.

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