User's Guide
Video Borescope and CCTV Tester
Model BR50
Introduction
Congratulations on your purchase of the Extech BR50 Video Borescope. This instrument was
designed for use as a remote inspection device and a CCTV camera alignment/inspection tool. Typical
applications include HVAC inspection, automotive inspection, and cable routing. The BR50 is also
useful for automotive, boat, and aircraft inspection. This meter is shipped fully tested and, with proper
use, will provide years of reliable service.
Features
z Real time video inspection
z Supports closed circuit TV input
z Bright LEDs to illuminate the area to be inspected
z Built-in rechargeable lithium battery, with AC charging or USB charging
z Supports NTSC and PAL formats
Safety
Before using the instrument, please read all safety and specification information carefully
Dangerous electrical voltages may exist behind walls and inside machinery. Be careful not
to make contact with electrical cables, wires, and circuits with the gooseneck; electrical
shock could result.
Double insulation in accordance with CE standards
1. The meter should only be opened and serviced by qualified and authorized personnel
2. Do not handle the meter in a rough or careless manner. The meter houses sensitive
instrumentation and should not be dropped or impacted in any way
3. The camera is water-proof; however the scope body is not water-proof. Do not expose the
instrument to rainy or wet areas, and do not operate the meter in moist locations.
4. Do not aim the camera directly toward the sun from an indoor or an outdoor perspective. Do
not operate the unit under a spotlight or other unusually strong light.
5. Operate the camera under the specified temperature, humidity and power supply conditions
only.
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Meter Description
1. Camera connection jack
2. External AV input jack
3. LCD Display
4. Status LED
5. Power / Brightness button
6. Charging cable connector
7. Flexible Gooseneck
8. Camera connection plug
9. Camera and LED lights
10. System reset button (rear view)
11. Four (4) housing screws (rear view)
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Operation
Power the Meter
1. Power Switch: Press and hold the Power button and the display will illuminate if the internal
battery is charged. Press and hold the Power button again to switch off the Video Borescope.
2. Charging the Battery:
a. Before charging, make sure the meter is switched off.
b. Connect the smaller end of the charging cable to the meter.
c. Connect the other end of the charging cable to the AC plug or a PC USB port.
d. A flashing red Status LED indicates the battery is charging. A solid green Status LED
indicates a fully charged meter.
Borescope Operation
1. Connect the camera and gooseneck to the meter
2. Power on the meter
3. The camera image will appear on the display.
4. The camera is now ready for inspections
Light Source level adjustment
1. There are six levels of light brightness adjustments (the default is level 3).
2. Press the power button momentarily to step through the brightness levels.
CCTV Operation
1. Connect the output of a CCTV camera to the AV input connector on the meter.
2. Power on the meter
3. After a few seconds, the camera image will appear on the display.
4. The CCTV camera is now ready for alignment.
Notes:
Signal Switching: The meter defaults to the borescope input. If a signal is applied to the AV jack
the unit will automatically switch to that mode within 5 seconds. When the AV signal is removed, the
meter automatically switches to the borescope mode within 2 seconds.
Signal format conversion: The borescope mode defaults to PAL format. The AV input signal is
converted to NTSC / PAL format automatically.
Auto Power off: If no input is detected, the LCD displays the NO SIGNAL message, the LED
flashes green and the meter enters standby mode.
Reset: Large magnetic fields or other disturbances could “lock up” the meter. If this occurs, press
the RESET button on the rear of the meter.
Battery Power Indication
1. Low Power: When the battery voltage falls below 3.3V, the LCD display shows the symbol
2. Recharging: The charging indication
3. Full Charge: When the battery voltage is greater than 4.0V, the battery symbol will be full.
in the upper right hand corner, indicating a low battery condition.
charging.
indicates that the battery is
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Battery Replacement
The meter contains a rechargeable battery which is not user replaceable. Contact Extech or your
distributor for replacement details.
All EU users are legally bound by the battery ordinance to return all used batteries to
collection points in your community or wherever batteries / accumulators are sold!
Disposal in the household garbage is prohibited!
Specifications
Camera
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
Enviormental
Operating Temperature 32°F ~ 122°F (0°C ~ 50°C)
Relative Humidity 85% max.
Copyright © 2011 Extech Instruments Corporation (a FLIR company)
All rights reserved including the right of reproduction in whole or in part in any form.
www.extech.com
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