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.

• Voltage Tester designed specifically for HVAC applications.
• Non-Contact Voltage Tester provides non-contact determination of AC voltage in cables, cords, circuit breakers, switches, outlets and wires, and AC voltage in security, entertainment, communications, environmental control, and irrigation systems.
• Detects AC voltage from 12 to 1000V with visual and audible indicators.
• 4:1 distance-to-spot ratio IR thermometer with user selectable Degrees Fahrenheit or Degrees Celsius from -22 to 482-Degree Fahrenheit (-30 to 250-Degree Celsius).
• Convenient laser pointer to target measurement area for temperature measurement.
• Backlit LCD display with 0.1-Degree resolution.
• Auto power-off conserves and extends battery life.
• Screw-thread battery cap with O-ring ensures dust and water resistance.
• Lightweight, compact tool with pocket clip provides easy storage and quick access.