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Yellow pen-style tester with pocket clip and IR sensor tip

Klein Tools NCVT-4IR Non-Contact Voltage Tester with IR Thermometer

SKU CH-00Y7-R2ZKG

Detects 12-1000V AC without contact and measures -22 to 482°F surface temperature with 4:1 IR ratio

  • FeaturesBatteries, Cat Iv 1000v, Ip54, Battery Powered, true
  • Height6.26 L x 1.08 W x 1.21 H inches
  • Width6.26 L x 1.08 W x 1.21 H inches
  • Length6.26 L x 1.08 W x 1.21 H inches
  • Weight0.11 pounds
  • Sports Team1 Piece
  • Non-contact AC detection from 12 to 1000V with LED and audible alerts
  • Built-in IR thermometer reads -22 to 482°F (-30 to 250°C) for HVAC diagnostics
  • 4:1 distance-to-spot ratio with laser pointer targets temperature area precisely
  • CAT IV 1000V and IP54 ratings protect against dust and water ingress
  • Compact 6.26 x 1.08 x 1.21 in pen design with pocket clip weighs .11 lb

HVAC Voltage Tester with IR Thermometer

The Klein Tools NCVT-4IR combines non-contact AC voltage detection from 12 to 1000V with an integrated infrared thermometer. It is built for HVAC professionals who need to verify live circuits and measure equipment temperatures in a single instrument. Visual and audible alarms confirm voltage presence quickly.

IP54 Pen Design with Pocket Clip

Rated IP54 for dust and water resistance, the tester survives job-site conditions while the pocket clip keeps it accessible. CAT IV 1000V rating supports work on service-entrance equipment. The pen-style body measures 6.26 L x 1.08 W x 1.21 H inches and weighs 0.11 pounds for comfortable all-day carry.

Laser-Targeted Temperature Readings

A 4:1 distance-to-spot ratio IR sensor reads from -22 to 482 degrees Fahrenheit (-30 to 250 degrees Celsius) with user-selectable units. The built-in laser pointer identifies the exact measurement area, reducing guesswork on ducts, motors and electrical panels. Batteries are included for immediate use.

Highlights

  • Non-contact AC detection from 12 to 1000V with LED and audible alerts
  • Built-in IR thermometer reads -22 to 482°F (-30 to 250°C) for HVAC diagnostics
  • 4:1 distance-to-spot ratio with laser pointer targets temperature area precisely
  • CAT IV 1000V and IP54 ratings protect against dust and water ingress
  • Compact 6.26 x 1.08 x 1.21 in pen design with pocket clip weighs .11 lb

Specifications

BrandaFe Power
FeaturesBatteries, Cat Iv 1000v, Ip54, Battery Powered, true
Height6.26 L x 1.08 W x 1.21 H inches
Width6.26 L x 1.08 W x 1.21 H inches
Length6.26 L x 1.08 W x 1.21 H inches
Weight0.11 pounds
Sports Team1 Piece
TypeClamp

Questions about this item

What AC voltage range does the NCVT-4IR detect?

It detects AC voltage from 12 to 1000V with visual and audible indicators.

What are the exact dimensions of the tester?

The tester measures 6.26 L x 1.08 W x 1.21 H inches and weighs .11 pounds.

How do I switch between Fahrenheit and Celsius on the IR thermometer?

Use the mode button to toggle between -22 to 482 degrees Fahrenheit and -30 to 250 degrees Celsius.

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