Hioki 3662-20, 3663-20 Instruction Manual

Instruction Manual

3662-20
3663-20

LASER LIGHT SOURCE

December 2009 Revised edition 5 3662A981-05 09-12H

i

Contents

Introduction .............................................................1

Inspection ............................................................... 1

Safety Notes ...........................................................2

Usage Notes ...........................................................4

Chapter 1 Overview 7

1.1 Product Overview ...................................7

1.2 Features .................................................. 7

1.3 Parts Names and Functions ................... 8

Chapter 2 Measurement Procedures 11

2.1 Connecting Connectors ........................11

2.1.1 Connecting FC-Type Connector ....... 12

2.1.2 Connecting SC-Type Connector ...... 13

2.2 Turning ON/OFF Power ........................14

2.3 Output Modulation ................................15

Chapter 3 Specifications 17

3.1 Optical Output Specificati ons ................17

3.2 General Specifications ..........................18

ii

Chapter 4 Maintenace and Service 19

4.1 Battery Replacement .............................19

4.2 Attaching/Detaching Connector Adapter ..21

4.3 Attaching the Strap ................................23

4.4 Cleaning ................................................24

4.4.1 Cleaning the Product .........................24

4.4.2 Cleaning Optical Output Terminal .....24

4.4.3 Cleaning Cable Connector ................26

4.5 Service ..................................................27

Chapter 5 Appendix 29

5.1 Options ..................................................29

1

Introduction

Thank you for purchasing the HIOKI “3662-20,
3663-20 LASER LIGHT SOURCE”. To obtain max­imum performance from the product, pleas e read
this manual first, and keep it handy for future refer­ence.

Inspection

When you receive the product, inspect it carefully
to ensure that no damage occurred during ship­ping. In particular, check the accessories, panel
switches, and connectors. If damage is evident, or
if it fails to operate according to the specifications,
contact your dealer or Hioki representative.

Accessories

Carrying case....................................................1

LR6 alkaline batter y.................. ........................2

Strap................................................................. 1

Instruction manual ............................................1

Before using the product

Before using the product the first time, verify that it
operates normally to ensure that the no damage
occurred during storage or shipping. If you find any
damage, contact your dealer or Hioki representa­tive.

2

Safety Notes

This product is designed to conform to IEC
61010 Safety Standards, and has been thor­oughly tested for safety prior to shipment.
However, mishandling during use could
result in injury or death, as well as damage to
the product. Be certain that you understand
the instructions and precautions in the man­ual before use. We disclaim any responsibil­ity for accidents or injuries not resulting
directly from product defects.

This manual contains information and warnings
essential for safe operation of the product and for
maintaining it in safe operating condition. Before
using the product, be sure to carefully read the fol­lowing safety notes.

Safety Symbols

In the manual, the symbol indicates particu­larly important information that the user should
read before using the product.

The symbol printed on the product indicates
that the user should refer to a corresponding topic
in the manual (marked with the symbol) before
using the relevant function.

3

Laser Safety Information

CLASS 1 LASER PRODUCT

FDA (CDRH)

The 3662-20 and 3663-20 LASER LIGHT
SOURCEs are both Class 1 laser products
conforming to IEC60825-1, EN60825-1.

The following symbols in this manual indicate the
relative importance of cautions and warnings.

Indicates that incorrect operation presents an ex­treme hazard that could result in serious injury or
death to the user.

Indicates that incorrect operation presents a sig­nificant hazard that could result in serious injury or
death to the user.

Indicates that incorrect operation presents a pos­sibility of injury to the user or damage to the prod­uct.

Advisory items related to performance or correct
operation of the product.

Other Symbols



Indicates the prohibited action

Indicates the reference

4

Usage Notes

Follow these precautions to ensure safe operation
and to obtain the full benefits of the various func­tions.

A laser beam is output from the laser output
connector during operation. The laser beam
is invisible. To prevent eye damage, do not
look directly into the connector or look at it
through a magnifying glass while the power
is on.

5

Direct
sunlight

High temperature
High humidity

Dust

• Do not store or use the product where it could
be exposed to direct sunlight, high temperature
or humidity, or condensation. Under such condi­tions, the product may be damaged and insula­tion may deteriorate so that it no longer meets
specifications.

• To avoid damage to the product, do not allow
the product to get wet, and do not use it when
your hands are wet.

• Do not use the product where it may be exposed
to corrosive or combustible gases. The product
may be damaged.

• To avoid damage to the product, protect it from
vibration or shock during transport and handling,
and be especially careful to avoid dropping.

• The mating portions of the laser output connec ­tor ferrule and of the connector adapter are
high-precision machined parts. Make sure that
these portions are free of dust or other foreign
matter when connecting them. In particular, the
optical output connector ferrule requires meticu­lous care. If there is dust in the interface or a
scratch on the optical output connector ferrule,
the 3662-20/3663-20 may not satisfy perfor­mance specifications.

• After use, always turn OFF the power.

• Be sure to replace the cap to prot ect the device

from dust when the 3662-20/3663-20 is not in
use.

• The Battery replacement indicator appears when

battery voltage becomes low. Replace the batter­ies as soon as possible.

• Use the specified battery (LR6 alkaline battery)

only. Other batteries (manganese batteries, for
example) run out more quickly than alkaline bat­teries.

6

Handling Optical Fiber Cable

Follow the precautions below to prevent damage
to the optical fiber cables.

• Do not insert at an angle.

• Do not bend the cable at the neck o f the con­nector.

• Do not bend or twist.

• Do not pull forcefully.

• Do not allow cable to kink.

• Do not touch the end face (ferrule).

7

1.1 Product Overview

Overview Chapter 1

1.1 Product Overview

The 3662-20/3663-20 LASER LIGHT SOU RCE is
a Class 1 laser source used to measure the optical
loss of optical fiber cables. The laser source is
designed to be used with an optical power meter.
The laser source is available in two output wave­lengths: 1,550 nm (3662-20) and 1,310 nm (3663-

20).

1.2 Features

Output Modulation (CHOP)

This function modulates a laser output (CHOP
mode, duty ratio of 50%). The modulation fre­quency may be selected from among the following
options: continuous wave (CW), 270 Hz, 1 kHz,
and 2 kHz.

1.3 Parts Names and Functions

8

Front

(The figure shows the 3662-20.)

Connector
adapter

Laser output
indicator

Battery re­placement
indicator

Power Switch

Output
Modula­tion Switch

Cap

1.3 Parts Names and Functions

The names of the parts and the functions are the
same for the 3663-20.

9

1.3 Parts Names and Functions

Connector
adapter

Laser output
indicator

Battery
replacement
indicator

Power Switch Turns power ON/OFF to the 3662-20/3663-

Output
Modulation Switch

Cap Protects the laser output connector and the

This is attached to the laser output connec­tor ferrule. Use the FC type or SC type
depending on the connector type of the
cable to be connected (optional).

When a laser beam is output, this indicator
lights steadily when CW is selected with the
output modulation switch and blinks when a
modulated beam (270 Hz, 1 kHz, or 2 kHz)
is selected.

Blinks when the battery is low

20
Selects CW, 270 Hz, 1 kHz, or 2 kHz

connector adapter from dust and damage.
Be sure to replace when the 3662-20/3663­20 is not in use.

10

Rear

Setscrew

Setscrew to fa sten the
battery cover

Battery cover

Cover for the battery

4.1 "Battery Replacement"

(21 page)

Upper

Laser output connector ferrule

Connector ferrule for laser beam
output

1.3 Parts Names and Functions

11

2.1 Connecting Connectors

Measurement
Procedures

2.1 Connecting Connectors

• A laser beam is output from the laser output
connector ferrule during operation. The laser
beam is invisible. To prevent eye damage, do
not look directly into the connector or look at it
through a magnifying glass while the power is
on.

• Make sure that the mating portions are free of
dust or other foreign matter when connecting a
optical fiber cable to the 3662-20/3663-20. In
particular, the end face (ferrule) requires meticu­lous care. If there is dust in the interface or a
scratch on the end face, the measurement may
not be accurate.

Chapter 2

Always clean the optical connector end face
(ferrule) of the optical fiber cable before
connecting.

2.1 Connecting Connectors

12

Optical fiber cable

3662-20（3663-20）

1

2

2.1.1 Connecting FC-Type Connector

1. Insert the end face (ferrule) of the optical fiber
cable into the connector adapter on the 3662­20/3663-20.
Make sure that the protrusion of the cable con­nector fits into the hole of the connector adapter.

2. Rotate the knurled nut (connecting nut) to
tighten.

13

2.1 Connecting Connectors

3662-20（3663-20）

Optical fiber cable

2.1.2 Connecting SC-Type Connector

Insert the end face (ferrule) of the optical fiber
cable into the connector adapter on the 3662-20/
3663-20.
Make sure that the protrusion of the cable connec­tor fits into the hole of the connector adapter.

The 9735, 9736, and 9737 (optional) are optical
fiber cables with an ordinary optical connector.
(They are not equipped with a master connector.)

9735/9736/9737 OPTICAL FIBER CABLE
Specifications

Cable 1.3 μm-band single-mode optical

Connection
loss

Return los s 45.0 dB or mo r e
Minimum

bending
radius

fiber cable

0.5 dB or less

30 mm (Do not allow to remain
bent for a long time.)

2.2 Turning ON/OFF Power

14

2.2 Turning ON/OFF Power

Power ON

Turn on the power switch.

The laser output indicator will light up or start blink­ing and the laser output connector will output a
laser beam.

If the battery replacement indicator is blinking
when power is turned on, the battery is running
low. Replace with a new battery.

4.1 "Battery Replacement" (21 page)

Power OFF

Turn off the power switch.

15

2.3 Output Modulation

(The figure shows the 3662-20.)

Laser output
indicator

Output
Modulation
Switch

2.3 Output Modulation

The laser output may be selected between a con­tinuous wave (CW) and a 270 Hz, 1 kHz, or 2 kHz
modulated wave (CHOP). The laser output indica­tor stays on when it is a continuous wave. The
indicator blinks when it is a modulated.

Continuous
wave

270Hz/
1kHz/2kHz

The names of the parts and the functions are the
same for the 3663-20.

Continuous wave (CW)
The laser output indicator stays on.

Duty ratio of 50%
Modulated beam (CHOP) at the
displayed frequency
The laser output indicator blinks.

2.3 Output Modulation

16

17

3.1 Optical Output Specifications

Specifications Chapter 3

3.1 Optical Output Specifications

Luminous
element

Output connector FC, SC

Applicable fiber Single-mode fiber
Output mode Continuous wave (CW)

Output
wavelength

Spectrum width

Output level

Output-level

*

stability

Output-level

*

stability
Operating

temperature and
humidity for guar­anteed accuracy
Period of guaran­teed accuracy

*Common conditions:

Laser diode

(Using the optional connector adapter)

270 Hz/ 1 kHz/ 2 kHz modulated (CHOP)
3662-20: 1550 ± 20 nm

*

3663-20: 1310
(Ambient temperature: 23

*

5 nm or less (Ambient temperature: 23

± 20 nm

±5°C (73±41°F), RMS (σ: -20 dB))

*

-6 ± 2 dBm
(Ambient temperature: 23

Within ± 0.1 dB
(Constant when the ambient temperature is
within 23

Within 1.0 dBp-p (Ambient temperature: 0 to
40°C (32 to 104°F), 8 hours)

23

1 year

Single-mode fiber, FC master connector, PC pol­ishing, and 2 meter-cable output end

±5°C (73±41°F). 5 minutes)

± 5°C (73±41°F), 80%RH or less

±5°C (73±41°F))

±5°C (73±41°F))

3.2 General Specifications

18

3.2 General Specifications

Rated power
supply

Maximum rated
power

Operating time 3662-20: Approx. 20 hours

Additional
Functions

Size Approx. 76W X 159H X 35D mm (2.99"W X
Weight Approx. 180 g (6.3 oz.) (excluding batteries)

Operating
temperature
and humidity

Storage
temperature
and humidity

Operating
Environment

Applicable
Standards

Accessories Carrying case............................................1

Options 9730 CARRYING CASE

DC1.5 V X 2
LR6 alkaline battery 1.5 V X 2

0.6 VA

3663-20: Approx. 36 hours

ture of 23°C (73°F) with a continuous beam)

Battery check function

(The battery replacement indicator blinks when the
battery voltage is low. When the battery indicator
blinks, accuracy cannot be guara ntee d.)

6.26"H X 1.38"D) (excluding projections)

0 to 40°C (32 to 104°F), 80%RH or less
(no condensation)

-10 to 50°C (14 to 122°F), 80%RH or less
(no condensation)
Indoors, altitude up to 2000 m (6562 feet)

Safety EN61010 Pollution Degree 2
EMC EN61326
Laser IEC60825-1
This product is complied with 21 CFR 1040.10
and 1040.11 except for deviations pursuant to
Laser Notice No.50, dated June 24,2007.

EN60825-1 Class 1 laser

LR6 alkaline battery................................... 2

Strap..........................................................1

Instruction manual.. ...................................1

9733 FC CONNECTOR ADAPTER
9734 SC CONNECTOR ADAPTER
9735 FC-FC OPTICAL FIBER CABLE
9736 SC-SC OPTICAL FIBER CABLE
9737 SC-FC OPTICAL FIBER CABLE
9738 OPTICAL CONNECTOR CLEANER
9739 SPARE CLEANER

(Ambient tempera-

19

4.1 Battery Replacement

Maintenace and
Service

Never modify the 3662-20/3663-20. Also, disas­sembly or repairs must be performed by qualified
service engineers only. Observing these precau­tions will prevent fire, electrical shock, injury, or
exposure to optical radiation.

4.1 Battery Replacement

• Do not mix old and new batteries, or different
types of batteries. Also, be careful to observe
battery polarity during installation. Otherwise,
poor performance or damage from battery leak­age could result.

• After replacing the batteries, replace the cover
and screws before using the product.

• T o avoid the pos sibility of ex plosion, do not short
circuit, disassemble or incinerate batteries.

• Handle and dispose of batteries in accorda nce
with local regulations.

• T o avoid corrosion from battery leakage, remove
the batteries from the product if it is to be stored
for a long time.

• If a optical fiber cable is bent or twisted, this may
result in damage to the cable. Be sure to discon­nect the optical fiber cable before replacing the
battery.

Chapter 4

4.1 Battery Replacement

20

• The battery replacement indicator appears when
battery voltage becomes low. Replace the batter­ies as soon as possible.

• Use the specified battery (LR6 alkaline battery)
only. Other batteries, (manganese batteries, for
example) run out more quickly than alkaline bat­teries.

If the battery replacement indicator is blinking
when power is turned on, the battery is running
low. Replace with a new battery.

1. Turn off power and disconnect the optical fiber

cable from the 3662-20/3663-20.

2. Remove the setscrew and open the battery

cover.

3. Replace both batteries.

4. Replace the battery cover and tighten the set-

screw.

21

4.2 Attaching/Detaching Connector Adapter

4.2 Attaching/Detaching Connector
Adapter

• The mating portions of the laser output connec ­tor ferrule and of the connector adapter are
high-precision machined parts. Make sure that
these portions are free of dust or other foreign
matter when connecting them. In particular, the
optical output connector ferrule requires meticu­lous care. If there is dust in the interface or a
scratch on the optical output connector ferrule,
the 3662-20/3663-20 may not satisfy perfor­mance specifications.

• Make sure that power of the 3662-20/3663-20 is
off when replacing the connector adapter. While
power is on, do not look into the optical output
connector. The laser beam may damage the
eye. The laser beam is not visible.

4.2 Attaching/Detaching Connector Adapter

22

9733 FC CONNECTOR 9734 SC CONNECTOR

3

2

3

2

ADAPTER ADAPTER

Attachment Procedure

1. Make sure that power to the 3662-20/3663-20 is
off.

2. Insert the connector adapter into the end face
(ferrule) of the laser output connector. Make
sure to push in the connector adapter deep
enough so that the lock lever will be on the rear
of the 3662-20/3663-20.

3. Push in the connector adapter fully and turn the
lock lever to the rear. (Make sure that the lock is
engaged.)

Detaching Procedure

1. Push the lock lever to the front of the 3662-20/
3663-20 to unlock.

2. Gently draw out the connector adapter.

Be sure to replace the cap of the 3662-20/3663-20
and the adapter's dust cap for protection against
damage and dust when the 3662-20/3663-20 is
not in use.

23

4.3 Attaching the Strap

Attaching the strap

3662-20(3663-20)

Pass the strap through the
strap hole of the 3662-20/
3663-20 as shown in the fig­ure.

Use the strap to carry the instrument, or to hang it
up at the installation location.

Attach both ends of the strap securely to the
instrument. If insecurely attached, the instrument
may fall and be damaged when carrying.

4.3 Attaching the Strap

4.4 Cleaning

24

4.4 Cleaning

4.4.1 Cleaning the Product

To clean the product, wipe it gently with a soft cloth
moistened with water or mild detergent. Never use
solvents such as benzene, alcohol, acetone, ether,
ketones, thinners or gasoline, as they can deform
and discolor the case.

4.4.2 Cleaning Optical Output Terminal

• The mating portions of the laser output connec­tor ferrule and of the connector adapter are
high-precision machined parts. Make sure that
these portions are free of dust or other foreign
matter when connecting them. In particular, the
optical output connector ferrule requires meticu­lous care. If there is dust in the interface or a
scratch on the optical output connector ferrule,
the 3662-20/3663-20 may not satisfy perfor­mance specifications.

• When cleaning the optical output connector,
make sure that power to the laser source is off.
While power is on, do not look directly into the
connector or look at it through a magnifying
glass. The laser beam may damage the eye.
The laser beam is not visible.

25

4.4 Cleaning

Always clean the optical connector end face
(ferrule) of the optical fiber cable before
connecting.

1. Detach the connector adapter.

2. Gently wipe the laser output connector (ferrule,
end face) and the surrounding area using a new
cotton swab, a soft lint-proof cloth, or an optical
connector cleaner (stick). Blow any fibers left on
the end face (ferrule) with a blower brush
designed for optical lenses. If necessary, clean
with a new cotton swab moistened with isopro­pyl alcohol and wipe with a soft lint-proof cloth.
Blow any fibers left on the end face (ferrule) with
a blower brush designed for optical lenses.

4.4 Cleaning

26

1

2

Cleaning surface

4.4.3 Cleaning Cable Connector

Use the 9738 OPTICAL CONNECTOR CLEANER
to clean the connector of the optical fiber cable.

When cleaning the end of the optical connector, do
not apply too much force with the cleaning cloth.
This may result in damage to the connector and
the 3662-20/3663-20 may consequently fail to sat­isfy performance specifications.

1. Squeeze the lever of the 9738 OPTICAL CON­NECTOR CLEANER and the shutter will open,
revealing the cleaning cloth.

2. While squeezing the lever, gently press the end
of the optical connector against the cleaning
surfaces (cleaners held in the slot shown) at a
right angle. Slide the connector once in the
direction of the arrow marked on the cleaners.

3. Slide the connector once per cleaning surface.
There are two cleaning surfaces; thus slide the
connector a total of two times. Release the lever
and the shutter will shut.

Always clean the optical connector end face
(ferrule) of the optical fiber cable before
connecting.

27

4.5 Service

• If the product seems to be malfunctioning, con­firm that the batteries are not discharged, and
that the optical fiber cables are not open circuited
before contacting your dealer or Hioki represen­tative.

• When sending the product for repair, remove the
batteries and pack carefully to prevent damage
in transit. Include cushioning material so the
instrument cannot move within the package. Be
sure to include details of the problem. Hioki can­not be responsible for damage that occurs during
shipment.

4.5 Service

4.5 Service

28

29

5.1 Options

Appendix Chapter 5

5.1 Options

9730 CARRYING CASE

The carrying case houses the 3661-20 OPTICAL
POWER METER, 3662-20/3663-20 LASER
LIGHT SOURCE, connector adapters, reference
cable, and 9738 OPTICAL CONNECTOR
CLEANER.

9733 FC CONNECTOR ADAPTER

FC connector adapter for the 3662-20/3663-20
LASER LIGHT SOURCE (with dust-cap attached)

5.1 Options

30

9734 SC CONNECTOR ADAPTER

SC connector adapter for the 3662-20/3663-20
LASER LIGHT SOURCE (with dust-cap attached).

9735 FC-FC OPTICAL FIBER CABLE

FC-to-FC reference cable (Length: 2 m)

9736 SC-SC OPTICAL FIBER CABLE

SC-to-SC reference cable (Length: 2 m)

31

5.1 Options

9737 SC-FC OPTICAL FIBER CABLE

SC-to-FC reference cable (Length: 2 m)

Hioki's optional optical fiber cables (9735, 9736
and 9737) are optical fiber cables with an ordinary
optical connector. (They are not equipped with a
master optical connector.)

9735/9736/9737 OPTICAL FIBER CABLE
Specifications

Cable 1.3 μm-band single-mode optical

Connection
loss

Return los s 45.0 dB or mo r e
Minimum

bending
radius

fiber cable

0.5 dB or less

30 mm (Do not allow to remain
bent for a long time.)

5.1 Options

32

9738 OPTICAL CONNECTOR CLEANER

Cleaner for optical fiber cable connector

9739 SPARE CLEANER

Refill for the 9738 OPTICAL CONNECTOR
CLEANER (6-rolls)

HEAD OFFICE

81 Koizumi, Ueda, Nagano 386-1192, Japan
TEL [phone] FAX [phone]
E-mail: [e-mail] URL http://www.hioki.com/
(International Sales and Marketing Department)

HIOKI USA CORPORATION

6 Corporate Drive, Cranbury, NJ 08512, USA
TEL [phone] FAX [phone]

Edited and published by Hioki E.E. Corporation
Technical Support Section

• All reasonable care has been taken in the production of this manual,
but if you find any points which are unclear or in error, please contact
your supplier or the International Sales and Marketing Department at
Hioki headquarters.

• In the interests of product development, the contents of this manual are
subject to revision without prior notice.

• The content of this manual is protected by copyright. No reproduction,
duplication or modification of the content is permitted without the
authorization of Hioki E.E. Corporation.

Printed on recycled paper Printed in Japan