Extech DV40 AC Voltage Detector

Extech DV40 AC Voltage Detector with Built-In Infrared Thermometer

The Extech DV40 is a handy 2-in-1 tool that combines a non-contact AC voltage detector with a built-in infrared thermometer.
It helps you quickly check for live AC voltage and measure surface temperature without direct contact—ideal for everyday electrical inspection and maintenance work.

Key Features

• Non-contact AC voltage detection: 50 to 1000 VAC (50/60Hz)
• Infrared temperature range: -30 to 230°C (-20 to 445°F)
• Large display: 9,999-count LCD
• Fixed emissivity: 0.95
• Field of view: 1:1
• Compact and lightweight: 42 g

Applications

• Checking outlets, panels, and insulated wires for live AC voltage
• Quick surface temperature checks during troubleshooting
• Routine maintenance and safety inspections