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Extech BR50: Video Borescope/Camera Tester

17mm camera diameter and 2.4″ Color TFT LCD Monitor

BR50 is a Video borescope and camera tester with a 17mm camera diameter and 2.4 in. Color TFT LCD Monitor. Can also test installed surveillance cameras for correct target alignment. Applications include: Home inspection: Inspect in walls for mold, insect infestation, electrical wire or water pipe location; HVAC: Inspect inside ducts, behind motors and compressors; Automotive: View inside or around engines and transmissions; Government: Safety and security inspections; Industrial: Inspect weld integrity, process equipment, gears, molding machines; Aerospace: Aircraft inspections for contamination, debris, cracks or other damage. Comes complete with rechargeable Lithium battery, and Universal AC adapter and charger with USB cable.



  • 17mm diameter camera head with 39″ (1m) flexible gooseneck cable retains configured shape
  • Four LED lamps with five brightness levels illuminate the viewed object
  • Glare-free close-up field of view with 480 x 234 pixel display
  • Automatically detects NTSC and PAL cameras
  • Complete with rechargeable Lithium battery, and Universal AC adapter/charger with USB cable


Specifications Range
Sensor size ¼” CMOS
Sensor pixels 300,000
Maximum frame rate 30 FPS
Color resolution 24 Bit
Focusing method Fixed focus 15cm to 25cm (5.9″ to 9.8″)
Gooseneck length 1m (39″)
Camera diameter 17mm (0.66″)
LCD Display 2.4″ Color LCD
Display resolution 480 (W) X 234 (H) pixels
Active area 48mm x 35.6mm (1.9 x 1.4″)
Light Source 4 LEDs
Adjustable light intensity 6 illumination levels
Video format NTSC/PAL (automatic conversion)
Power Rechargeable 1800mAH lithium battery
Current consumption 400mA max.
Standby current 5mA max.
Low battery warning Voltage falls below 3.3V
Operating Temperature 32°F ~ 122°F (0°C ~ 50°C)
Relative Humidity 85% max.


BR50_English Datasheet

BR50_English User’s Manual

BR50_CE Declaration of Conformity