Klein Tools NCVT-4IR Non-Contact Voltage Tester Pen with IR Thermometer, 12-1000V AC
MFR Part #:NCVT-4IR
- Manufacturer Name :Klein Tools
Klein® Voltage Tester Pen, Non-Contact, Maximum Measurable Voltage: 12 to 1000 VAC, 4:1 Distance, LED Light Source, LCD Backlit, AAA Battery, 5 to 500 Hz, Environmental Conditions: -20 to 482 deg F, IP54 Enclosure, 6-1/4 in L x 1-3/16 in W x 1-1/4 in H.
Klein Tools NCVT-4IR is a voltage tester that provides non-contact determination of AC voltage in cables, cords, circuit breakers, switches, outlets and wires; as well as infrared (IR) thermometer measurements, making it the perfect choice for HVAC professionals.
The Klein Tools NCVT-4IR is a non-contact voltage tester with a built-in laser infrared thermometer designed for HVAC professionals. It provides non-contact AC voltage detection from 12 to 1000V AC and infrared temperature measurement from -22°F to 482°F (-30°C to 250°C) in a compact handheld tool.
- Klein® NCVT-4IR Non-Contact Voltage Tester Pen With Infrared Thermometer, 12 to 1000 VAC Max Measurable
Non-Contact Voltage Tester (12 to 1000V AC)
Detects AC voltage without direct electrical contact for quick voltage verification.
Built-In Infrared Thermometer
Measures surface temperatures from -22°F to 482°F (-30°C to 250°C) using an integrated infrared sensor.
Laser Targeting System with 4:1 Distance-to-Spot Ratio
Helps target the measurement area when taking temperature readings.
Visual and Audible Voltage Indication
Provides audible alerts and LED indication when AC voltage is detected.
Selectable Audible or Silent Mode
Allows operation with or without audible alerts depending on the work environment.
Backlit LCD Display
Displays temperature readings with 0.1° resolution for improved visibility.
Dual Temperature Units
User-selectable Fahrenheit (°F) or Celsius (°C) readings.
Automatic Power-Off Function
Helps conserve battery life during periods of inactivity.
IP54 Rated Housing
Provides protection against dust and water ingress.
6.6 ft. (2 m) Drop Protection
Designed to withstand drops from up to 6.6 feet.
Pocket Clip and Compact Design
Supports convenient storage and accessibility during use.
CAT IV 1000V Safety Rating
Suitable for measurements performed at the source of low-voltage installations and outside lines.
Specification
Details
Manufacturer
Klein Tools
Model Number
NCVT-4IR
Product Type
Non-Contact Voltage Tester with Laser Infrared Thermometer
Intended Application
HVAC applications
Voltage Detection Range
12 to 1000V AC
Voltage Type
AC Voltage Only
Frequency Range
50 to 500 Hz
Voltage Detection Method
Non-contact detection
Temperature Measurement Technology
Infrared (IR) Thermometer
Temperature Measurement Range
-22°F to 482°F (-30°C to 250°C)
Temperature Resolution
0.1°F / 0.1°C
Temperature Accuracy (-22°F to 68°F / -30°C to 20°C)
±5.4°F (±3°C)
Temperature Accuracy (69°F to 482°F / 21°C to 250°C)
±2% or ±3.6°F (±2°C)
Laser Type
Class 2 Laser
Distance-to-Spot Ratio
4:1
Emissivity
Fixed 0.95
Display Type
Backlit LCD Display
Temperature Units
Selectable °F / °C
Voltage Indicators
Visual LED indication and audible alerts
Audible/Silent Modes
Yes
Auto Power-Off
Thermometer: Approx. 10 seconds inactivity; NCV Tester: Approx. 5 minutes inactivity
Battery Type
2 × AAA Batteries
Batteries Included
Yes
Battery Life
Average 134 Hours; Continuous IR Use 64 Hours
Low Battery Indicator
Yes
Ingress Protection Rating
IP54
Drop Protection
6.6 ft. (2 m)
Safety Rating
CAT IV 1000V AC
Pollution Degree
2
Operating Altitude
Up to 6,562 ft. (2,000 m)
Operating Temperature
32°F to 122°F (0°C to 50°C)
Storage Temperature
32°F to 122°F (0°C to 50°C)
Operating Humidity
10% to 90% RH, Non-Condensing
Storage Humidity
Less than 80% RH, Non-Condensing
Length
5.83 in. (148 mm)
Width
0.96 in. (24 mm)
Height
1.16 in. (29 mm)
Weight
2.5 oz. (72 g), Including Batteries
Pocket Clip
Yes
O-Ring Battery Seal
Yes
Included Components
NCVT-4IR Tester, 2 × AAA Batteries
Standards Compliance
IEC/EN/BS 61010-1; IEC/EN/BS 61010-2-030; IEC 60825-1; UL 61010-1; UL 61010-2-030; CSA C22.2 No. 61010-1; CSA C22.2 No. 61010-2-030
Indoor Use Rating
Indoor Use Only
Environmental Exposure
Do Not Expose to Moisture, Rain, or Snow
Laser Distance-to-Spot Ratio
4:1
Laser Classification
Class 2
Fixed Emissivity
0.95
Temperature Scale Options
Fahrenheit (°F) and Celsius (°C)
Voltage Detection Indicators
Red LED and Audible Beeper
Thermometer Display Resolution
0.1°F / 0.1°C
Battery Replacement Threshold
Low Battery Indicator Appears at Approximately 20% Remaining Battery Life
Checking for the presence of AC voltage in:
- Cables
- Cords
- Circuit breakers
- Switches
- Outlets
- Wires
Measuring surface temperatures using the infrared thermometer function.
HVAC-related electrical testing and temperature measurement applications.
Works With
- AC voltage systems from 12 to 1000V AC
- Frequencies between 50 and 500 Hz
- Indoor applications
- Surface temperature measurements within the specified temperature range
Limitations
- Does not detect DC voltage.
- Does not detect voltage through shielded wire.
- May not detect voltage under certain conditions, including:
- User not grounded
- User insulated from tester
- Voltage source blocked or interfered with
- Wire in grounded metal conduit
- Tester outside specified operating conditions
- Thermometer is not intended for use on people or animals.
- Intended for indoor use and should not be exposed to moisture, rain, or snow.
Does the NCVT-4IR detect DC voltage?
No. The NCVT-4IR is designed to detect AC voltage only and will not detect DC voltage.
What voltage range can this non-contact voltage tester detect?
The NCVT-4IR detects AC voltage from 12V to 1000V AC.
What temperature range can the infrared thermometer measure?
The infrared thermometer measures temperatures from -22°F to 482°F (-30°C to 250°C).
Can temperature readings be displayed in Fahrenheit and Celsius?
Yes. The thermometer supports both °F and °C, and users can switch between temperature units.
What batteries does the NCVT-4IR use?
The tester operates on two AAA batteries, which are included with the product.