Extech Instruments BR90 User manual

USER MANUAL

Compact Borescope

MODEL BR90

EN-US English

INTRODUCTION

Thank you for selecting the Extech BR90 Compact Borescope. This

device provides real-time video monitoring and is ideal for inspect-

ing the interior of pipelines, conduits, and other narrow spaces. The

BR90 is useful in the installation of appliances, electronic equip-

ment, 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. Please visit our website

(https://www.extech.com) for additional information including the

latest version of this User Manual and Customer Support.

Features

• Waterproof (IP67) 0.3 in. (8 mm) diameter camera with 2.5 ft. (77

cm) flexible goose–neck cable

• 640 x 480 pixel resolution camera with four bright LED lamps

and dimmer function

• Glare-free close-up field of view

• Large 4.3 in. (109 mm) color TFT monitor

• 180° image rotation and mirror (flip) features

• Adjustable display brightness and 2x digital Zoom

• Video output port for viewing images on an external monitor

• Low battery status indicator

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PRODUCT DESCRIPTION

Figure 1 Product Description

1. Video monitor

2. 180° rotation and image mirror (flip) button

3. Monitor brightness adjust button

4. Camera

5. Power ON/OFF indicator

6. Power ON/OFF button

7. Camera LED brightness adjust button

8. Zoom button

9. Video output port

Note: Accessories, battery compartment, and camera cable stor-

age are not pictured in Figure 1. These items are pictured in later

sections.

PACKING LIST

The BR90 package contains the following equipment:

• BR90 Borescope

• User Manual

• 4 x AA batteries

• Soft carry-case

• Magnet accessory

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• Single hook accessory

• Mirror accessory

• Attachment fixture

OPERATION

Battery Installation

The BR90 is powered by four 1.5V AA batteries. To install the bat-

teries, 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 2 Opening tabs for battery compartment (1) and cable storage (2).

Never dispose of used batteries or rechargeable batteries in

household waste. As consumers, users are legally required to take

used batteries to appropriate collection sites, the retail store where

the batteries were purchased, or wherever batteries are sold.

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Powering the BR90

To switch the BR90 ON, long press the Power ON/OFF button (top,

right) until the power indicator lamp lights. Long press again to

switch OFF.

Accessing the Camera Cable

The camera cable is stored in the BR90 housing. To access the ca-

ble, press the two compartment tabs, as shown in Figure 2 (item 2).

Release a length of 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.

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 3 Accessory Installation

Insert the magnet (E) into the attachment fixture (D), with the

pointed end placed in the hole on the lens as indicated by the arrow

in the diagram below, and then tighten the attachment fixture, as

shown, to secure it.

Figure 4 Accessory Installation continued

Camera LED Brightness Adjust

When lighting in the area under inspection is inadequate, use the

LED Brightness Adjust button (middle, right) to adjust the level.

Short presses will step through the available brightness levels.

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Monitor Brightness Adjust

Use the LED Brightness Adjust button (top, left) to adjust the level.

Short presses will step through the available brightness levels.

Zoom Function

To zoom the camera image, use the Zoom button (bottom, right).

Press once to zoom 1.5x, press again to zoom 2x, and press again

to return to normal view.

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.

Video Output

You can view video on an external monitor using the video output

port (NTSC). An ‘RCA’ male to 3.5 mm mono male cable (not sup-

plied) is required.

SAFETY CONSIDERATIONS

1. Do not forcibly bend the camera cable, the minimum bend radi-

us is 1 in. (25 mm); damage to the instrument can result.

2. The camera cable is waterproof (IP67) but the main instrument

is not. Please protect the main instrument from liquid and

moisture.

3. Remove the batteries when the BR90 is to be stored for ex-

tended periods.

4. Disposal: Do not dispose of this instrument in household waste.

The user is obligated to take end-of-life devices to a designated

collection point for the disposal of electrical and electronic

equipment.

FCC COMPLIANCE

This equipment has been tested and found to comply with the limits

for a Class B digital device, pursuant to part 15 of the FCC Rules.

These limits are designed to provide reasonable protection against

harmful interference in a residential installation. This equipment

generates, uses, and can radiate radio frequency energy and, if not

installed and used in accordance with the instructions, may cause

harmful interference to radio communications. However, there is no

guarantee that interference will not occur in a particular installation.

If this equipment does cause harmful interference to radio or televi-

sion reception, which can be determined by turning the equipment

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off and on, the user is encouraged to try to correct the interference

by one or more of the following measures:

1. Reorient or relocate the receiving antenna.

2. Increase the separation between the equipment and receiver.

3. Connect the equipment into an outlet on a circuit different from

that to which the receiver is connected.

4. Consult the dealer or an experienced radio/TV technician for

help.

This device complies with part 15 of the FCC Rules. Operation is

subject to the following two conditions:

1. This device may not cause harmful interference.

2. This device must accept any interference received, including in-

terference 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.

SPECIFICATIONS

Camera diameter 0.3 in. (8 mm)

Image sensor 1/9”, CMOS

Effective pixels 640 x 480 resolution

Focus distance 1.2 ~ 3.1 in. (3 ~ 8 cm) approximately

Horizontal viewing angle 50°

Cable length 2.5 ft. (77 cm)

Cable dimensions 0.2 in. (4.4 mm) diameter; 2.5 ft. (77

cm) length

Cable bend radius 1 in. (25 mm) minimum

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IP rating IP67 waterproof (cable only and ex-

cluding the cable connection to the

main instrument)

Power supply 4 x 1.5V AA batteries

Display type and dimensions 4.3 in. (109 mm) Color TFT display

Image Zoom ratio 1.5x and 2x

Video format NTSC

LED brightness 200 lux (3.1 in. [8 cm] from camera

head to object) and 1300 lux (2.1 in.

[3 cm] from camera head to object)

Power consumption 1.5 Watts, max.

Monitor dimensions 7.1 x 3.5 x 1.4 in. (180 x 36 x 89 mm)

Operating temperature 14 ~ 122℉(-10 ~ 50℃)

Storage temperature –4 ~ 140℉(-20 ~ 60℃)

Operating humidity 15% ~ 85% RH

Product weight 11.5 oz. (325 g)

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 six-month limited warranty applies to sensors

and cables). To view the full warranty text please visit:

https://www.extech.com/warranty.

CUSTOMER SUPPORT

Customer Support Telephone List:

https://support.flir.com/contact

Calibration, Repair, Returns, and Technical Support:

https://support.flir.com

Extech Website: https://www.extech.com

#NAS100023; r. AE/75624/75639; en-US 7

last page

Publ. No.: NAS100023

Release: AE

Commit: 75624

Head: 75639

Language: en-US

Modified: 2021-04-14

Formatted: 2021-04-14

Website

http://www.flir.com

Customer support

http://support.flir.com

Disclaimer

Specifications subject to change without further notice. Models and accessories

subject to regional market considerations. License procedures may apply.

Products described herein may be subject to US Export Regulations. Please

refer to [email protected] with any questions.

USER MANUAL

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