Extech Instruments BR146 Manuel utilisateur

User's Guide

Flexible Borescope

Model BR146

BR146 V2.0 9/08

Introduction

Congratulations on your purchase of the Extech BR146. This product is used for

inspection of areas generally inaccessible to the naked eye, such as internal inspection

of engines, gear train components, interior structures of walls, and industrial applications.

Illumination is provided by two solid state LEDs which are controlled by a three position

switch, giving low, off, and high output. Lighting is powered by 4 “AA” batteries located in

the handle. The adjustable eyepiece focus allows the user to fine tune for object distance.

The scope comes in a protective case for storage. An accessory mirror allows the user

to see 90 degrees to the axis of the shaft. The Magnet accessory will pick up approx 1/4

lb. This device is shipped fully tested and, with proper use, will provide years of reliable

service

Safety

STOP IMPORTANT:

PLEASE READ THESE INSTRUCTIONS CAREFULLY. NOTE THE SAFE

OPERATIONAL REQUIREMENTS, WARNINGS AND CAUTIONS. USE THIS

PRODUCT CORRECTLY AND WITH CARE FOR THE PURPOSE FOR WHICH IT

IS INTENDED. FAILURE TO DO SO COULD CAUSE DAMAGE AND/OR

PERSONAL INJURY AND WILL INVALIDATE THE WARRANTY. PLEASE KEEP

THESE INSTRUCTIONS FOR FUTURE USE.

•DO NOT use flexible inspection scope if damaged

•Do not point the tip toward the Sun or other intense source of light while viewing.

Permanent eye damage may occur.

•Maintain your scope in new condition as detailed in MAINTENANCE for long service

•Be aware of your surrounding environment while using your inspection scope

•Account for all tools and parts being used or serviced and do not leave loose parts

near moving parts of an engine

Specifications

Viewing distance: 0.4”(10mm) to infinity

Viewing Angle 48°

Side View Adaptor: 90°

Tip Diameter 0.39” (10mm)

Working Length: 46” (1168mm)

Maximum bend radius 3” (7.62cm)

Optical system: fiber optic (7400 fibers)

Illumination LED (2) (High/Low intensity selection)

Max probe temperature 158°F / 70°C

Shaft material HDPF

Housing material Nylon

Compatibility Water, diesel, gasoline, brake

fluid, antifreeze, motor oil, gear oil and other liquids

Power 4 AA batteries

Weight: 1.15lb (0.52kg)

Carrying Case Dimensions: 17 x 13 x 4.5” (432mm x 330mm x 114mm)

BR146 V2.0 9/08

Description

1. Eyepiece and Focus

2. LED ON and intensity switch

3. Handle

4. Battery compartment

5. Shaft

6. Tip and Light source

Operation

WARNING! Be carefulwheninsertingorremoving the scope shaft fromthe equipmentunder

inspection.

WARNING! Use extra care when using mirror or magnet accessories. Accessories may

detach if snagged.

DO NOT bend any part of the shaft tighter than a 3 inch radius ( 6 inch

diameter).

DO NOT expose the scope housing to water or other fluids.

DO NOT insert the scope shaft and tip into locations whose temperature is

greater than 158º/F70ºC.

1. Note the location and distance of the object to be inspected and determine

the best route to it. Bend the shaft to follow the route.

2. View the object through the eyepiece. Adjust the focus as necessary by

turning the eyepiece.

3. Press the switch below the eyepiece to turn on the LED light. A left press

is high intensity, right press is low intensity (extends battery life).

4. Attach the side view mirror or retrieval magnet to the tip as shown. Make

sure the spring clip is fully secure in the recessed groove provided.

NOTE: The base of the mirror or magnet should be aligned over the flat side of

the tip.

Maintenance

BATTERY REPLACEMENT

WARNING ! Make sure switch is in the off position prior to maintenance and/or battery

replacement.

1. Remove the battery housing door with a Phillips screwdriver.

2. Un-clip the connector - if required - and replace batteries in the pack. Dispose of

batteries properly.

3. Re-attach connector and re-insert battery pack into bottom of handle.

4. Re-assemble battery door. Do not over tighten screw.

CLEANING AND STORAGE

After each use, wipe down the tip and shaft with a clean, dry cloth to remove fluids and

residue. If needed, clean the shaft with a cloth dampened with a mild soap detergent

Gently clean the lens and eyepiece with a cotton swab dampened with a lens cleaner

such as isopropyl alcohol.

NOTE: Your inspection scope MUST be completely dry before returning it to the

storage case.

BR146 V2.0 9/08



Support line (781) 890-7440

Technical Support: Extension 200; E-mail: support@extech.com

Repair & Returns: Extension 210; E-mail: repair@extech.com

Product specifications subject to change without notice

For the latest version of this User Guide, Software updates, and other

up-to-the-minute product information, visit our website: www.extech.com

Extech Instruments Corporation, 285 Bear Hill Road, Waltham, MA 02451

Warranty

EXTECH INSTRUMENTS CORPORATION (A FLIR COMPANY) warrants this instrument to

be free of defects in parts and workmanship for one year from date of shipment (a six

month limited warranty applies to sensors and cables). If it should become necessary to

return the instrument for service during or beyond the warranty period, contact the

Customer Service Department at (781) 890-7440 ext. 210 for authorization or visit our

website www.extech.com for contact information. A Return Authorization (RA) number

must be issued before any product is returned to Extech. The sender is responsible for

shipping charges, freight, insurance and proper packaging to prevent damage in transit.

This warranty does not apply to defects resulting from action of the user such as misuse,

improper wiring, operation outside of specification, improper maintenance or repair, or

unauthorized modification. Extech specifically disclaims any implied warranties or

merchantability or fitness for a specific purpose and will not be liable for any direct, indirect,

incidental or consequential damages. Extech's total liability is limited to repair or

replacement of the product. The warranty set forth above is inclusive and no other

warranty, whether written or oral, is expressed or implied.

Calibration and Repair Services

Extech offers repair and calibration services for the products we sell. Extech also

provides NIST certification for most products. Call the Customer Care Department for

information on calibration services available for this product. Extech recommends that

annual calibrations be performed to verify meter performance and accuracy.

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