USER MANUAL Compact Borescope MODEL BR90
Table of contents 1 EN-US English ...........................................................................1 #NAS100023; r.
1 EN-US English 1.1 INTRODUCTION Thank you for selecting the Extech BR90 Compact Borescope. This device provides real-time video monitoring and is ideal for inspecting the interior of pipelines, conduits, and other narrow spaces. The BR90 is useful in the installation of appliances, electronic equipment, fixtures, and is handy for vehicle troubleshooting and maintenance. We ship this device fully tested and calibrated and, with proper use, it will provide years of reliable service.
1 EN-US English 1.2 PRODUCT DESCRIPTION Figure 1.1 Product Description 1. 2. 3. 4. 5. 6. 7. 8. 9. Video monitor 180° rotation and image mirror (flip) button Monitor brightness adjust button Camera Power ON/OFF indicator Power ON/OFF button Camera LED brightness adjust button Zoom button Video output signal port Note: Accessories, battery compartment, and camera cable storage are not pictured in Figure 1. These items are pictured in later sections. 1.
1 EN-US English • Mirror accessory • Attachment fixture 1.4 OPERATION 1.4.1 Battery Installation The BR90 is powered by four 1.5V AA batteries. To install the batteries, open the rear battery compartment using the latches as shown Figure 2 (item 1). Observe correct polarity when installing batteries. Ensure that the battery compartment is completely closed before use. The battery status indicator appears on the upper left corner of the video monitor for convenience. Figure 1.
1 EN-US English cable as required and snap the housing shut. To store the cable after use: open the housing, coil the cable inside the housing, and snap the housing closed. 1.4.4 Accessory Installation Place the single hook (B) or mirror (A) into the hole on the camera lens as indicated by the arrow in the diagram below, and then push the attachment fixture (C), as shown below, to secure it. Figure 1.
1 EN-US English 1.4.8 180° Image Rotation and Mirror Image Adjust Press the Image Rotation/Mirror button (bottom, left) to rotate the image 180°. Press again to flip the image (mirror mode). Press again to return to normal view mode. 1.5 SAFETY CONSIDERATIONS 1. Do not forcibly bend the camera cable, the minimum bend radius is 25 mm (1 in.); damage to the instrument can result. 2. The camera cable is waterproof (IP67) but the main instrument is not.
1 EN-US English 2. This device must accept any interference received, including interference that may cause undesired operation. WARNING Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. 1.7 SPECIFICATIONS Camera diameter 8 mm (0.3 in.) Image sensor 1/9”, CMOS Effective pixels 640 x 480 resolution Focus distance 3~ 8 cm (1.2 ~ 3.1”) approximately Horizontal viewing angle 50° Cable length 77 cm (2.
1 EN-US English 1.8 TWO-YEAR WARRANTY FLIR Systems, Inc. warrants this Extech brand instrument to be free of defects in parts and workmanship for two years from date of shipment (a sixmonth limited warranty applies to sensors and cables). To view the full warranty text please visit: https://www.extech.com/warranty. 1.9 CUSTOMER SUPPORT Customer Support Telephone: U.S. (866) 477-3687; International +1 (603) 324-7800 Calibration, Repair, and Returns e-mail: repair@extech.
