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EXTECH DV40 Electrical Testing Device

The Extech DV40 combines a non-contact voltage detector with a built-in infrared thermometer for versatile electrical testing. It quickly detects AC voltage from 50 to 1000 VAC on circuits at 50/60 Hz, with an effective detection distance of less than 1 inch. The device features a clear LCD display for non-contact temperature measurements up to 445°F (230°C), with 0.1° resolution and selectable °F/°C. Its rugged design includes a pocket clip, low battery indicator, auto power-off, and a fixed 0.95 emissivity for surface temperature readings, making it ideal for electrical inspections and safety checks.

Authorized Distributors
Part No:DV40
Stock:0
Inv Date:06-06-2026
Price: N/A
Buy/RFQ:
Part No:DV40
Stock:0
Inv Date:06-05-2026
Price: Unit price: $50.59
Buy/RFQ:
Part No:DV40
Stock:0
Inv Date:06-05-2026
Price: Unit price: $50.59
Buy/RFQ:
Part No:DV40
Stock:0
Inv Date:06-05-2026
Price: Unit price: $60
Buy/RFQ:

EXTECH DV40 Electrical Testing Device Specifications:

  • Display: 9,999 count LCD
  • Built-in IR Thermometer Range: 20 to 445°F (-30 to 230°C)
  • Basic Accuracy: ±2% of reading or ±4°F/2°C whichever is greater
  • Resolution: 0.1°F/°C
  • Emissivity: Fixed at 0.95
  • Field of View: 1 inch (25 mm) at a distance
  • NCV Voltage Sensitivity: <1 inch detection distance
  • Bandwidth: 50 to 1000 VAC
  • Detection Range: Less than 1 inch
  • Safety Category: CAT III 1000V
  • Dimensions: 6.25 x 1 inches (159 x 25 mm)
  • Weight: 4.29 oz (121.5 g)

Buy the Extech Series Electrical Testing Device: DV40

Order the Extech DV40 online today to enhance your electrical safety inspections. This multicomponent tool combines non-contact voltage detection with an infrared thermometer, providing quick, accurate readings. Its rugged design, clear LCD display, and auto power-off make it perfect for field use. With the ability to detect AC voltage up to 1000V and measure surface temperatures up to 445°F, the DV40 is an essential device for electricians, maintenance technicians, and safety inspectors seeking reliability and efficiency in daily tasks.

Buy Extech DV40 now and experience unmatched reliability and versatile electronic testing for electrical safety and temperature measurement.

Frequently Asked Questions

Where can I buy EXTECH DV40?

You can click on the BUY or RFQ button to purchase DV40 from an authorized EXTECH distributor.

How do I troubleshoot issues or seek technical support for part DV40?

You can download the DV40 datasheet or visit the EXTECH website for support.

Who is the manufacturer of DV40?

EXTECH

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