ADCMT 8250A User manual

MANUAL NUMBER
C
Printed in Japan
ADC CORPORATION
All rights reserved.
8250A
Optical Power Meter
Operation Manual
FOE-8440218D01
First printing March 30, 2007
2007
Cover


Safety-1
Safety Summary
FOE-ANZENA00
To ensure thorough understanding of all functions and to ensure efficient use of this instrument, please read the
manual carefully before using. Note that ADC Corporation (hereafter referred to as ADC) bears absolutely no re-
sponsibility for the result of operations caused due to incorrect or inappropriate use of this instrument.
If the equipment is used in a manner not specified by ADC, the protection provided by the equipment may be im-
paired.
• Warning Labels
Warning labels are applied to ADC products in locations where specific dangers exist. Pay care-
ful attention to these labels during handling. Do not remove or tear these labels. If you have any
questions regarding warning labels, please ask your nearest ADC dealer. Our address and phone
number are listed at the end of this manual.
Symbols of those warning labels are shown below together with their meaning.
DANGER: Indicates an imminently hazardous situation which will result in death or serious
personal injury.
WARNING: Indicates a potentially hazardous situation which will result in death or serious
personal injury.
CAUTION: Indicates a potentially hazardous situation which will result in personal injury or
a damage to property including the product.
• Basic Precautions
Please observe the following precautions to prevent fire, burn, electric shock, and personal inju-
ry.
• Use a power cable rated for the voltage in question. Be sure however to use a power cable
conforming to safety standards of your nation when using a product overseas.
• When inserting the plug into the electrical outlet, first turn the power switch OFF and then
insert the plug as far as it will go.
• When removing the plug from the electrical outlet, first turn the power switch OFF and then
pull it out by gripping the plug. Do not pull on the power cable itself. Make sure your hands
are dry at this time.
• Before turning on the power, be sure to check that the supply voltage matches the voltage
requirements of the instrument.
• Connect the power cable to a power outlet that is connected to a protected ground terminal.
Grounding will be defeated if you use an extension cord which does not include a protective
conductor terminal.
• Be sure to use fuses rated for the voltage in question.
• Do not use this instrument with the case open.
• Do not place anything on the product and do not apply excessive pressure to the product. Al-
so, do not place flower pots or other containers containing liquid such as chemicals near this
Safety Summary

Safety Summary
Safety-2 FOE-ANZENA00
product.
• When the product has ventilation outlets, do not stick or drop metal or easily flammable ob-
jects into the ventilation outlets.
• When using the product on a cart, fix it with belts to avoid its drop.
• When connecting the product to peripheral equipment, turn the power off.
• Caution Symbols Used Within this Manual
Symbols indicating items requiring caution which are used in this manual are shown below to-
gether with their meaning.
DANGER: Indicates an item where there is a danger of serious personal injury (death or seri-
ous injury).
WARNING: Indicates an item relating to personal safety or health.
CAUTION: Indicates an item relating to possible damage to the product or instrument or relat-
ing to a restriction on operation.
• Safety Marks on the Product
The following safety marks can be found on ADC products.
: ATTENTION - Refer to manual.
: Protective ground (earth) terminal.
: DANGER - High voltage.
: CAUTION - Risk of electric shock.
• Replacing Parts with Limited Life
The following parts used in the instrument are main parts with limited life.
Replace the parts listed below before their expected lifespan has expired to maintain the perfor-
mance and function of the instrument.
Note that the estimated lifespan for the parts listed below may be shortened by factors such as
the environment where the instrument is stored or used, and how often the instrument is used.
The parts inside are not user-replaceable. For a part replacement, please contact the ADC sales
office for servicing.
Each product may use parts with limited life.
For more information, refer to the section in this document where the parts with limited life are
described.

Safety Summary
Safety-3
FOE-ANZENA00
Main Parts with Limited Life
• Hard Disk Mounted Products
The operational warnings are listed below.
• Do not move, shock and vibrate the product while the power is turned on.
Reading or writing data in the hard disk unit is performed with the memory disk turning at a
high speed. It is a very delicate process.
• Store and operate the products under the following environmental conditions.
An area with no sudden temperature changes.
An area away from shock or vibrations.
An area free from moisture, dirt, or dust.
An area away from magnets or an instrument which generates a magnetic field.
• Make back-ups of important data.
The data stored in the disk may become damaged if the product is mishandled. The hard disc
has a limited life span which depends on the operational conditions. Note that there is no
guarantee for any loss of data.
• Precautions when Disposing of this Instrument
When disposing of harmful substances, be sure dispose of them properly with abiding by the
state-provided law.
Harmful substances: (1) PCB (polycarbon biphenyl)
(2) Mercury
(3) Ni-Cd (nickel cadmium)
(4) Other
Items possessing cyan, organic phosphorous and hexadic chromium
and items which may leak cadmium or arsenic (excluding lead in sol-
der).
Example: fluorescent tubes, batteries
Part name Life
Unit power supply 5 years
Fan motor 5 years
Electrolytic capacitor 5 years
LCD display 6 years
LCD backlight 2.5 years
Floppy disk drive 5 years
Memory backup battery 5 years

Environmental Conditions
Safety-4 FOE-ANZENA00
This instrument should be only be used in an area which satisfies the following conditions:
• An area free from corrosive gas
• An area away from direct sunlight
• A dust-free area
• An area free from vibrations
• Altitude of up to 2000 m
Figure-1 Environmental Conditions
• Operating position
Figure-2 Operating Position
• Storage position
Figure-3 Storage Position
• The classification of the transient over-voltage, which exists typically in the main power supply, and
the pollution degree is defined by IEC61010-1 and described below.
Impulse withstand voltage (over-voltage) category II defined by IEC60364-4-443
Pollution Degree 2
Vibration
Direct sunlight
Corrosive
gas
Dust
Front
The instrument must be used in a hor-
izontal position.
To prevent the internal temperature
from rising, cooling fans are installed
in some instruments.
The air vents on the case must be un-
blocked.
A clear space of 10 centimeters or more
must be kept around the air vents.
Front
This instrument should be stored in a horizontal
position.
When placed in a vertical (upright) position for
storage or transportation, ensure the instrument is
stable and secure.
-Ensure the instrument is stable.
-Pay special attention not to fall.

Safety-5
Types of Power Cable
FOE-ANZENA00
Replace any references to the power cable type, according to the following table, with the appropriate power cable
type for your country.
Plug configuration Standards Rating, color
and length
Model number
(Option number)
PSE: Japan
Electrical Appliance and
Material Safety Law
125 V at 7 A
Black
2 m (6 ft)
Straight: A01402
Angled: A01412
UL: United States of America
CSA: Canada
125 V at 7 A
Black
2 m (6 ft)
Straight: A01403
(Option 95)
Angled: A01413
CEE: Europe
DEMKO: Denmark
NEMKO: Norway
VDE: Germany
KEMA: The Netherlands
CEBEC: Belgium
OVE: Austria
FIMKO: Finland
SEMKO: Sweden
250 V at 6 A
Gray
2 m (6 ft)
Straight: A01404
(Option 96)
Angled: A01414
SEV: Switzerland 250 V at 6 A
Gray
2 m (6 ft)
Straight: A01405
(Option 97)
Angled: A01415
SAA: Australia, New Zealand 250 V at 6 A
Gray
2 m (6 ft)
Straight: A01406
(Option 98)
Angled: ---------
BS: United Kingdom 250 V at 6 A
Black
2 m (6 ft)
Straight: A01407
(Option 99)
Angled: A01417
CCC:China 250 V at 10 A
Black
2 m (6 ft)
Straight: A114009
(Option 94)
Angled: A114109


8250A Optical Power Meter Operation Manual
Preface-1
PREFACE
This manual describes how to use the 8250A, its specifications, and how to use the 8250A by remote control.
1. Organization of this manual
This manual consists of the following chapters.
Safety Summary Read the safety instructions before operating
this instrument.
1. INTRODUCTION Describes the following items: product over-
view, accessories, operating environment, and
precautions to be taken when using this
instrument. Read this chapter before operat-
ing this instrument.
2. PANEL AND FUNCTION DESCRIPTION
•FrontSide
• Rear Side
Describes the names of each part of the panel
and their functions as well as the display sec-
tion.
3. HOW TO PERFORM MEASUREMENTS
•MenuMap
• Menu Description
• Measurement Procedure
• Backing Up and Initializing Parameters
• Wavelength Preset
Describes how to use this instrument.
4. REMOTE CONTROL Describes how to control this instrument by
remote. Example programs are provided.
5. TECHNICAL NOTES
• Principles of Measurement
• Analog Out
• Optical Power Calibration and Wavelength
Sensitivity Correction
• Calibration Wavelength Selection Function
Describes supplementary technical informa-
tion on this instrument.
6. PERFORMANCE TEST
• Performance Test of the 8250A
• Performance Test of the Optical Sensors
Describes how to test the performance of this
instrument.
7. CALIBRATION Describes how to calibrate this instrument.
8. SPECIFICATIONS Describes the specifications of this instrument
and optical sensors.
APPENDIX
• Trouble Shooting (Before Asking for Repair)
• Error Messages
• Remote Execution Time (Typical Value)
Describes messages which are displayed on
this instrument and other information.
PREFACE

8250A Optical Power Meter Operation Manual
PREFACE
Preface-2
2. Notation
• The panel keys are described in this manual as shown below.
Panel key: In bold type Example:[ZERO], [RATIO/ dBr]
3. Trademarks and Registered Trademarks
• Microsoftand Windowsare trademarks or registered trademarks of Microsoft Corporation in the
United States and other countries.
• Other product and company names referenced herein are trademarks or registered trademarks of their
respective owners.

8250A Optical Power Meter Operation Manual
C-1
TABLE OF CONTENTS
1. INTRODUCTION ....................................................................................... 1-1
1.1 Product Overview .............................................................................................. 1-1
1.2 Accessories ........................................................................................................ 1-1
1.3 Connectable Sensors ......................................................................................... 1-2
1.4 Optical Power Meter Software Revisions and Applicable Optical Sensors ..... 1-6
1.5 Options and Accessories ................................................................................... 1-7
1.5.1 Options ....................................................................................................... 1-7
1.6 Operating Environment ..................................................................................... 1-8
1.7 Power Supply .................................................................................................... 1-8
1.7.1 Checking the Power Supply Voltage .......................................................... 1-8
1.7.2 Changing the Power Supply Voltage ......................................................... 1-9
1.7.3 Connecting the Power Cable ...................................................................... 1-11
1.8 Precautions when Using This Instrument ......................................................... 1-12
1.9 Checking Operations ......................................................................................... 1-13
1.10 Cleaning ............................................................................................................ 1-14
1.10.1 Cleaning This Instrument ........................................................................... 1-14
1.10.2 Cleaning the Incident Surface of the Sensor .............................................. 1-14
1.11 How to Store and Transport This Instrument .................................................... 1-15
1.11.1 Storage ........................................................................................................ 1-15
1.11.2 Transportation ............................................................................................. 1-15
1.12 Warm-up ........................................................................................................... 1-15
1.13 Calibration ......................................................................................................... 1-15
1.14 Replacing Parts with Limited Life .................................................................... 1-16
1.15 Product Disposal and Recycle ........................................................................... 1-17
2. PANEL AND FUNCTION DESCRIPTION ........................................ 2-1
2.1 Front Side .......................................................................................................... 2-1
2.1.1 Function Description .................................................................................. 2-1
2.1.2 Display Section Description ....................................................................... 2-5
2.2 Rear Side ........................................................................................................... 2-6
3. HOW TO PERFORM MEASUREMENTS .......................................... 3-1
3.1 Menu Map ......................................................................................................... 3-1
3.2 Menu Description .............................................................................................. 3-3
3.3 Measurement Procedure .................................................................................... 3-5
3.3.1 Connecting the Sensor ................................................................................ 3-5
3.3.2 Setting the Wavelength ............................................................................... 3-5
3.3.3 Zero Cancel ................................................................................................ 3-5
3.3.4 Setting the Range ........................................................................................ 3-5
3.3.5 Reading the Display ................................................................................... 3-5
3.4 Backing Up and Initializing Parameters ........................................................... 3-6
3.4.1 Backing Up Parameters .............................................................................. 3-6
3.4.2 How to Initialize ......................................................................................... 3-8
3.5 Wavelength Preset ............................................................................................. 3-9
TABLE OF CONTENTS

8250A Optical Power Meter Operation Manual
Table of Contents
C-2
3.5.1 Setting the Preset Wavelength .................................................................... 3-9
3.5.2 Calling the Preset Wavelength ................................................................... 3-10
4. REMOTE CONTROL ................................................................................ 4-1
4.1 Selecting a Remote Interface ............................................................................ 4-1
4.1.1 Response to the *IDN? Command ............................................................. 4-1
4.2 GPIB .................................................................................................................. 4-3
4.2.1 Overview .................................................................................................... 4-3
4.2.2 Precautions in Use of GPIB ........................................................................ 4-4
4.2.3 GPIB Setting ............................................................................................... 4-5
4.3 USB ................................................................................................................... 4-6
4.3.1 Overview .................................................................................................... 4-6
4.3.2 Driver for Control ....................................................................................... 4-6
4.3.3 Precautions when Using USB .................................................................... 4-7
4.3.4 USB Setting ................................................................................................ 4-7
4.4 Measured Data Output Format .......................................................................... 4-8
4.5 Status Register ................................................................................................... 4-12
4.6 Remote Command ............................................................................................. 4-17
4.6.1 How to Set the Remote Command ............................................................. 4-17
4.6.2 Remote Command List ............................................................................... 4-18
4.6.3 TQ8215 Compatibility ................................................................................ 4-26
4.6.4 8230 Compatibility ..................................................................................... 4-37
4.7 Sample Programs .............................................................................................. 4-39
4.7.1 GPIB Sample Programs .............................................................................. 4-39
4.7.2 USB Sample Programs ............................................................................... 4-42
5. TECHNICAL NOTES ................................................................................ 5-1
5.1 Principles of Measurement ................................................................................ 5-1
5.2 Analog Out ........................................................................................................ 5-1
5.3 Optical Power Calibration and Wavelength Sensitivity Correction ................. 5-3
5.4 Calibration Wavelength Selection Function ..................................................... 5-4
6. PERFORMANCE TEST ............................................................................ 6-1
6.1 Performance Test of the 8250A ........................................................................ 6-1
6.1.1 How to Connect Instruments ...................................................................... 6-2
6.1.2 How to Test ................................................................................................ 6-2
6.2 Performance Test of the Optical Sensors .......................................................... 6-5
6.2.1 How to Connect Instruments ...................................................................... 6-6
6.2.2 Test Point and Judgment Criteria ............................................................... 6-6
6.2.3 Test Procedure ............................................................................................ 6-7
7. CALIBRATION ........................................................................................... 7-1
7.1 Instrument, Cable, and Others Required for Calibration .................................. 7-1
7.2 Precautions ........................................................................................................ 7-2
7.3 How to Connect Instruments ............................................................................. 7-3

8250A Optical Power Meter Operation Manual
Table of Contents
C-3
7.4 Current Measurement Calibration Point and Allowable Range ........................ 7-4
7.5 Calibration Operation ........................................................................................ 7-5
7.6 Calibration Procedure ........................................................................................ 7-8
7.6.1 IV Offset Calibration .................................................................................. 7-8
7.6.2 Current Measurement Calibration .............................................................. 7-8
8. SPECIFICATIONS ...................................................................................... 8-1
8.1 8250A Specifications ........................................................................................ 8-1
8.1.1 Optical Power Meter Specifications ........................................................... 8-1
8.1.2 General Specifications ................................................................................ 8-2
8.1.3 Standard Accessories .................................................................................. 8-3
8.2 Optical Sensor Specifications ........................................................................... 8-4
8.2.1 Sensor Specifications (Sold Separately) ..................................................... 8-4
8.2.2 Wavelength Sensitivity Correction Option and Additional Calibration
Wavelength Option ..................................................................................... 8-7
APPENDIX ................................................................................................................. A-1
A.1 Trouble Shooting (Before Asking for Repair) .................................................. A-1
A.2 Error Messages .................................................................................................. A-2
A.3 Remote Execution Time (Typical Value) ......................................................... A-5
8250A DIMENSIONAL OUTLINE DRAWING............................................. EXT-1
82311B/82312B/82313B/82314B
DIMENSIONAL OUTLINE DRAWING........................................................... EXT-2
82321B/82322B/82323B/82324B
DIMENSIONAL OUTLINE DRAWING........................................................... EXT-3
82314BW DIMENSIONAL OUTLINE DRAWING ...................................... EXT-4
ALPHABETICAL INDEX ..................................................................................... I-1


F-1
8250A Optical Power Meter Operation Manual
LIST OF ILLUSTRATIONS
No. Title Page
1-1 Indication of the Set Power Supply Voltage ..................................................................... 1-8
1-2 Connecting the Power Cable ............................................................................................. 1-11
2-1 Front View ........................................................................................................................ 2-1
2-2 Display Section ................................................................................................................. 2-5
2-3 Rear View ......................................................................................................................... 2-6
3-1 Menu Map ......................................................................................................................... 3-1
3-2 Menu Map in the Calibration Mode ................................................................................. 3-2
3-3 Example of Calibration wavelength Settings .................................................................... 3-3
3-4 Outline of the Parameter Backup ...................................................................................... 3-7
3-5 Setting the Preset Wavelength .......................................................................................... 3-9
3-6 Calling the Preset Wavelength .......................................................................................... 3-10
4-1 Status Register Structure ................................................................................................... 4-12
4-2 Status Register Structure in the TQ8215 Compatible Mode ............................................ 4-36
4-3 Measurement Image 1 (GPIB) .......................................................................................... 4-39
4-4 Measurement Image 2 (GPIB) .......................................................................................... 4-40
4-5 Measurement Image 1 (USB) ........................................................................................... 4-42
4-6 Measurement Image 2 (USB) ........................................................................................... 4-44
5-1 Block Diagram of the 8250A ............................................................................................ 5-2
5-2 Wavelength Sensitivity Characteristics and Power Calibration of the Sensor ................. 5-3
5-3 Calibration Wavelength Selection Function ..................................................................... 5-4
6-1 Connection Diagram for the Performance Test ................................................................ 6-2
6-2 Connection Diagram for the Optical Sensor Performance Test ....................................... 6-6
7-1 Connection Diagram for the IV Offset Calibration .......................................................... 7-3
7-2 Connection Diagram for the Current Measurement Calibration ...................................... 7-3
7-3 Calibration Flow ............................................................................................................... 7-5
7-4 IV Offset Calibration Flow ............................................................................................... 7-6
7-5 Current Measurement Calibration Flow ........................................................................... 7-7


T-1
8250A Optical Power Meter Operation Manual
LIST OF TABLES
No. Title Page
1-1 Standard Accessories ........................................................................................................ 1-1
1-2 Old and New Model Numbers of Optical Sensors ........................................................... 1-4
1-3 List of Software Revisions Required for Optical Sensor Operations ............................... 1-6
1-4 Sensor Option ................................................................................................................... 1-7
1-5 Relation Table between AC Power Supply Voltage and Indication of
Set Power Supply Voltage ................................................................................................ 1-8
1-6 Parts with Limited Life ..................................................................................................... 1-16
1-7 Disposal ............................................................................................................................ 1-17
3-1 Initial Values of the Parameters and Backup .................................................................... 3-6
4-1 Interface Functions ........................................................................................................... 4-3
4-2 Standard Bus Cable ........................................................................................................... 4-4
4-3 Status Byte Register .......................................................................................................... 4-13
4-4 Device Event Status Register ............................................................................................ 4-14
4-5 Standard Event Status Register ......................................................................................... 4-15
4-6 Error Register .................................................................................................................... 4-16
4-7 Remote Command List ..................................................................................................... 4-19
4-8 Commands Used in the TQ8215 but Cannot Be Used in this Instrument ........................ 4-27
4-9 Commands Specific to the TQ8215 Compatible Mode .................................................... 4-29
4-10 Commands that Cannot Be Used in the TQ8215 Compatible Mode ................................ 4-32
4-11 Differences with the 8230 in the Remote Level ............................................................... 4-37
5-1 Relationship between the Current Range and the Full-scale Voltage Output from
ANALOG OUT ................................................................................................................ 5-1
6-1 Cable and Others Required for Performance Test ............................................................ 6-1
6-2 Current Measurement Calibration and Instrument for the Performance Test .................. 6-1
6-3 Current Range Accuracy Specifications ........................................................................... 6-3
6-4 Equipment Required for Evaluating Optical Sensors ....................................................... 6-5
6-5 Judgment Criteria for the Optical Sensor ......................................................................... 6-6
7-1 Cable, Adapter, and Others Required for Calibration ...................................................... 7-1
7-2 Current Measurement Calibration .................................................................................... 7-1
7-3 Calibration Point and Allowable Range ........................................................................... 7-4
A-1 Problem and Solution ........................................................................................................ A-1
A-2 Self-Test Item List ............................................................................................................ A-2
A-3 Error Messages ................................................................................................................. A-3
A-4 Causes of the Generated Calibration Errors ..................................................................... A-4


8250A Optical Power Meter Operation Manual
1. INTRODUCTION
1-1
1. INTRODUCTION
This chapter describes the product overview, accessories, recommended operating environment, and precau-
tions when safely using this instrument.
Read this manual carefully before using this instrument.
1.1 Product Overview
The 8250A is a high-performance and general-purpose optical power meter containing the GPIB and USB
digital interfaces.
High-performance optical sensors for the 8230 and 8230E series (abbreviated as the 823* series) and optical
sensors for the TQ8210 and TQ8215 series (abbreviated as the 821* series) can be used in the 8250A. Various
connector-removable-type 823* series optical sensors are provided so appropriate sensors can be selected
according to the intended usage. To allow highly accurate measurements to be performed, 823* series sensor
is calibrated at a set wavelength and the wavelength sensitivity characteristics of each sensor are saved in a
sensor (Not including the 82311B without option 20 and 82321B without option 20). Because the 821* series
optical sensors can be used in the 8250A, a system constructed by TQ8215 can be used effectively.
Data measurements and automatic measurements can be performed easily in an R&D or production line by
using the supplied USB digital interface. This instrument can be used with a measurement system, which is
developed on DOS, by using the supplied GPIB digital interface. Because the remote commands for the
TQ8215 mode can be used in the 8250A in addition to the common remote commands for the 823* series,
the TQ8215 can be replaced easily by the 8250A. (Because the 8250A is not full compatible to the TQ8215
including functions, use the 8250A after confirming the operation.)
This instrument includes a 5-1/2 digit fluorescent display tube, which can be read easily regardless of the sur-
rounding brightness or darkness.
1.2 Accessories
The standard accessories, which are included with this instrument, are shown below. If any equipment is
damaged or missing, contact ADC CORPORATION or a sales representative. Quote the model name when
ordering.
A power cable for each country is optional. (Refer to “Safety Summary.”)
Either power fuse listed in Table 1-1 is used in this instrument and is included in the standard accessory
according to the voltage specification.
Table 1-1 Standard Accessories
Accessory name Model name Quantity Remarks
Power cable A01402 1 For PSE (Japan)
Power fuse DFT-AAR25A-1 1 T250 mA/250 V For 100/120 V AC
DFT-AAR16A-1 T160 mA/250 V For 220/240 V AC
Operation manual E8250A 1 English version, this manual

8250A Optical Power Meter Operation Manual
1.3 Connectable Sensors
1-2
1.3 Connectable Sensors
Thin- and cylindrical-type 823x series sensors can be connected to this instrument. Functions of the sensors
are categorized into general purpose, blue violet, high power, and 3 wavelengths.
• 82311B
The 82311B thin-type, general-purpose optical sensor is available for measurement in optical disk
equipment or narrow spaces. Wavelengths ranging from 390 nm to 1100 nm can be measured and the
standard calibration wavelength is 780 nm. The calibration wavelength addition option (405 nm:
OPT82311B+21 or 650 nm: OPT82311B+22) can be added.
For the standard model, the typical value for wavelength sensitivity correction is saved in the memory
of the sensor. The actual measurement value for the sensor-specific wavelength sensitivity correction
can be acquired by specifying the wavelength sensitivity correction option (OPT82311B+20).
• 82321B
The 82321B cylindrical-type optical sensor is available for attachment to test equipment, for measure-
ment on an optical bench, or for optical fiber system measurement. Adapters to accommodate each op-
tical connector are available. Wavelengths ranging from 390 nm to 1100 nm can be measured and the
standard calibration wavelength is 780 nm. The calibration wavelength addition option (405 nm:
OPT82321B+21 or 650 nm: OPT82321B+22) can be added.
For the standard model, the typical value for wavelength sensitivity correction is saved in the memory
of the sensor. The actual measurement value for the sensor-specific wavelength sensitivity correction
can be acquired by specifying the wavelength sensitivity correction option (OPT82321B+20).
• 82312B
The 82312B thin-type optical sensor is available for measurement in optical disk equipment or narrow
spaces. The 82312B is available for blue-ray optical disks and has a flat sensitivity characteristic for
wavelengths ranging from 400 nm to 420 nm. Therefore, even if the wavelength of the light source is
different, a highly accurate measurement can be performed without wavelength sensitivity correction.
The calibration wavelength is 405 nm. The actual measurement value for wavelength sensitivity correc-
tion is saved in the memory of each sensor.
• 82322B
The 82322B cylindrical-type optical sensor is available for attachment to test equipment, for measure-
ment on an optical bench, or for optical fiber system measurement. Adapters to accommodate each op-
tical connector are available. The 82322B is available for blue-ray optical disks and has a flat sensitivity
characteristic for wavelengths ranging from 400 nm to 420 nm. Therefore, even if the wavelength of the
light source is different, a highly accurate measurement can be performed without wavelength sensitiv-
ity correction. The calibration wavelength is 405 nm. The actual measurement value for wavelength sen-
sitivity correction is saved in the memory of each sensor.
• 82313B
The 82313B thin-type optical sensor is available for measurement in optical disk equipment or narrow
spaces. The 82313B is ideal for measuring optical disk equipment in which a high power laser diode
(LD) is used. If the light condenses on the incident surface, up to 200 mW of optical power can be mea-
sured without saturation. Wavelengths ranging from 390 nm to 1100 nm can be measured and the stan-
dard calibration wavelength is 650 nm.
The calibration wavelength addition option (405 nm: OPT82313B+21 or 780 nm: OPT82313B+23) can
be added. The actual measurement value for wavelength sensitivity correction is saved in the memory
of each sensor.
Table of contents
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