Extech Launches Non-contact AC Voltage Detector 40130


Extech’s compact in size 40130 non-contact voltage detector provides visual-audible alerts to user by measuring currents from 100 to 600VAC (50/60Hz)

Extech introduced new non-contact AC Voltage Detector 40130 capable of detecting the presence of live wires before testing. This pocket-size AC voltage detector features a low-profile tip that can be inserted into outlet receptacles or used to trace along wire insulation to locate breaks. The 40130 detector measures from 100 to 600 VAC (50/60 Hz) with visual (flashing red LED) alarms and audible (beeping) tones that can be switched off. Use for line out testing, locating breaks and control panel troubleshooting. CE approved and UL Listed. Complete with convenient size with pocket clip, and two AAA batteries.

  • Non-Contact Detection of AC Voltage from 100VAC to 600VAC
  • For use on 50/60Hz circuits
  • Tip fits into outlets or against wire insulation
  • Flashing red LED light and push button ON/OFF Audible beeper indicator


Specifications Range
Voltage Sensitivity 100 to 300V AC, 50/60Hz
Detection distance <5.1 mm (0.2”) for 110VAC receptacles 4 to 6” (10.2 to 15.2cm) up to 300VAC
Over voltage Category III 600V
Operating Temperature 0 to 50°C (32 to 122°F)
Storage Temperature -20 to 60°C (-4 to 140°F)
Altitude Operating below 2000 meters
Relative Humidity 80% to 31°C, decreasing to 50% at 40°C
Battery 2 AAA batteries
Dimensions/Weight 152 x 19 x 25mm (6×0.75×1”) / 24.4g (0.86oz)
Safety For indoor use and in accordance with Overvoltage Category III, Pollution Degree 2
Approvals/Listings UL Listed and CE Marked

Company Profile

Extech Instruments is a US-based company which deals in supplying handheld electronic measuring equipment, other handheld measuring instruments, and portable printers.

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