DV40 is a non-contact voltage detector and infrared thermometer. Safety Warning: Before use, always test the Voltage Detector on a known live circuit to verify proper operation.
This document is the user manual for the Extech DV40 Non-Contact Voltage Detector and IR Thermometer. It provides essential safety warnings regarding electrocution risks and proper handling of the probe. The manual details the installation of three LR44 batteries and outlines the legal requirements for battery disposal in the EU.
| IR Thermometer Range | -20 to 445°F (-30 to 230°C) |
|---|---|
| Resolution | 0.1°F/C |
| Emissivity settings | 0.95 fixed |
| Distance to Target Ratio | 1:1 |
| Voltage Sensitivity | 50V to 1000V AC |
| Bandwidth | 50/60Hz |
| Detection distance | 1" @ 105V |
| Power Supply | 3 LR44 or A76 button batteries |
The device requires three LR44 or A76 button batteries.
The emissivity setting is fixed at 0.95.
Press and hold the NCV button; the cone tip should light up for approximately 2 seconds.