CETC41 AV2498C Manuale utente
AV2498C Optical Multimeter
User Guide
The 41st Institute of China Electronics Technology Group
Corporation
Preface
Thank you very much for choosing the AV2498C
Optical Multimeter which is produced by the 41st Institute
of China Electronics Technology Group Corporation
(abbreviated as CETC41)! This product has higher
price-performance ratio than other products alike due to the
robust structure and simple operation. Please read this
Guide carefully for your convenience. We will do our
utmost to meet your needs, provide you with high quality
measurement instruments, as well as first-class after-sales
service. Our principle is “excellent quality, courteous
service”. To provide satisfactory products and service is our
commitment to the users. We sincerely welcome your
inquiry：
Toll-free phone: 800－8687041
Website: http://www.ei41.com
HQ(Bengbu)
Service & consultation: 0552－4072248
Technical Support: 0552-4071248
Quality Supervision: 0552-4078248
FAX:0552-4082977
Email:[email protected]
ADD: No.726 Huaguang Avenue, Bengbu, Anhui
Post Code:233006
Branch Institute (Qingdao)
Service & consultation:0532－86889847
Technical Support: 0532－86889847
Quality Supervision: 0532－86886614
FAX: 0532－86889056
Email:eiqd@ei41.com
ADD: No.98, Xiangjiang Rd, Qingdao
Economic&Technological Development Zone,Shandong
Post Code:266555
Statement
This is the first edition of User Guide of AV2498C
Optical Multimeter. The version number is
AV2.714.1291SS1.
The contents in this Guide are subject to change
without notice.
The right to interpret the contents and terms of
this Guide belongs to CETC41.
This Guide comes without a guarantee from
CETC41, including, but not limited to, the implied
warranty of merchantability and fitness for a particular
purpose. In no event shall CETC41 be liable for special,
incidental, or consequential damages.
The copyright of this Guide belongs to CETC41.
No unit and individual shall revise or distort this
manual without authorization. The Guide shall not be
reproduced and transmitted in any form (including
electronic storage, a retrieval system or translation to
other languages) for the purpose of profit. CETC41
reserves the right to take legal action for the tort.
Ann
ounc
eme
nt：
Any attempt to disassemble or modify any components not
illustrated in this Guide is not allowed. If so, degradation of
electromagnetic shielding effectiveness and damages of
internal components will impact reliability of AV2498C
Optical Multimeter. CETC41 offers no free repair even
though the warranty period is still valid.
April 10th,2016
Table of Contents
Chapter OneOverview ………………………………………1
Chapter TwoAppearance and operation instructions...............7
Section OneAppearance and keypad......……………….8
Section TwoOperation Instructions.....………………..17
Chapter ThreeOperating principles and technical
specifications.........................................................................27
Section OneOperating principles ..................................27
Section Two Technical specifications............................29
Chapter FourMaintenance and repair....................................33
Chapter One Overview
1
Chapter One Overview
1.1 Multimeter overview
AV2498C is a handheld meter, enjoys innovative
structure and small size. The optical detector is built inside
your convenient usage. The multimeter has a rechargeable
battery inside, and dry cell batteries can also be used for
field work. When using as a light source, the multimeter is
also a system enabling loss parameters measurements of
optical fibers, cables, optical passive components etc.
AV2498C multimeter deploys a high-quality
low-noise photodiode as the optical detector, and
Chapter One Overview
2
microcontrollers for control, which is powerful in functions,
reliable in performance, competitive in price-performance,
small in size and neat in appearance. It is suitable for
construction and maintenance of optical fiber
communication projects, and an ideal optical power and
optical loss measurement instrument in scientific research,
production and mathematics fields. For high power tests,
please choose a power meter with the measurement range
of -50dBm～+26dBm.
1.2 Multimeter composition
Here are three options for the power meter modules of
Indice
