REED R5100 Non-Contact AC Voltage Detector with Flashlight


This instrument is capable of detecting the presence of AC voltage from a safe distance. The R5100 features audible/visual indicators, a built-in flashlight and convenient pocket clip.


  • Suitable for outlets or against insulated wire
  • Built-in flashlight
  • Double insulated housing for increased safety
  • Audible (buzzer) and visual (LED) indicators when voltage present
  • For use on 50/60Hz circuits
  • Pocket clip
  • Auto shut off
  • CE and UL approved
  • Cat. III 1000V, Cat. IV 600V safety ratings


Voltage Range50 to 1000V AC
Frequency Range50 to 60Hz
Built-in FlashlightYes
Auto Power OffYes (after 3 minutes)
Power Supply2 AAA Batteries
Overvoltage CategoryCAT. III 1000V, CAT. IV 600V
Product CertificationsCE, UL
Operating Temperature32 to 104°F (0 to 40°C)
Operating Humidity0 to 85%
Storage Temperature14 to 122°F (-10 to 50°C)
Dimensions6.3 x 1  x 1" (159 x 25 x 25mm)
Weight1.5oz (42g)