Thank you for purchasing the HIOKI "3555 BATTERY
HiTESTER." To obtain maximum performance from the
instrument, please read this manual first, and keep it
handy for future reference.
nspection
When you receive the instrument, 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
i
9461 PIN TYPE LEAD
Six LR6 alkaline batteries
Instruction Manual
Shipping
Use the original packing materials when reshipping the
instrument, if possible.
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Inspection
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t
S
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afety
DANGE
This instrument is designed to comply with 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 instrument. However, using the
instrument in a way not described in this manual may
negate the provided safety features. 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 instrument defects.
Safety symbols
This manual contains information and warnings essential
for safe operation of the instrument and for maintaining
it in safe operating condition. Before using the
instrument, be sure to carefully read the following safety
notes.
・ Thesymbol printed on the instrument
indicates that the user should refer to a
corresponding topic in the manual (marked
with thesymbol) before using the relevan
function.
・ In the manual, thesymbol indicates
particularly important information that the
user should read before using the instrument.
Indicates DC (Direct Current).
Indicates the ON side of the power switch.
Indicates the OFF side of the power switch.
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Safety
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R
G
N
The following symbols in this manual indicate the relative
importance of cautions and warnings.
Indicates that incorrect operation presents an
DANGE
extreme hazard that could result in serious
injury or death to the user.
Indicates that incorrect operation presents a
WARNIN
significant hazard that could result in serious
injury or death to the user.
Indicates that incorrect operation presents a
CAUTIO
possibility of injury to the user or damage to the
instrument.
iii
NOTE
Indicates advisory items related to performance
or correct operation of the instrument.
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Safety
iv
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Measurement categories
To ensure safe operation of measurement instruments, IEC
61010 establishes safety standards for various electrical
environments, categorized as CAT II to CAT IV, and called
measurement categories. These are defined as follows.
CAT II : Primary electrical circuits in equipment connected
to an AC electrical outlet by a power cord (portable
tools, household appliances, etc.)
CAT II covers directly measuring electrical
outlet receptacles.
CAT III : Primary electrical circuits of heavy equipment
(fixed installations) connected directly to the
distribution panel, and feeders from the
distribution panel to outlets.
CAT IV : The circuit from the service drop to the service
entrance, and to the power meter and primary
overcurrent protection device (distribution panel).
Using a measurement instrument in an environment
designated with a higher-numbered category than that for
which the instrument is rated could result in a severe
accident, and must be carefully avoided.
Use of a measurement instrument that is not CAT-rated
in CAT II to CAT IV measurement applications could
result in a severe accident, and must be carefully avoided.
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Safety
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P
recautions
Follow these precautions to ensure safe operation and to
obtain the full benefits of the various functions.
Preliminary Check
Before using the instrument 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.
v
DANGE
WARNIN
The floating voltage between input terminals and
ground is 60 V AC/DC. Do not attempt to measure
voltages exceeding 60 V with respect to ground. This
could result in injury or damage to the instrument.
When measuring batteries, always ensure sufficient
ventilation. Sometimes sparks may occur when the
test leads are connected to batteries, which can ignite
any accumulated inflammable gases such as hydrogen
Before using the instrument, make sure that the
insulation on the test leads is undamaged and that no
bare conductors are improperly exposed. Using the
instrument in such conditions could cause an electric
shock, so contact your dealer or Hioki representative
for replacements (Model 9461, Model 9287-10).
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Precautions
vi
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WARNIN
Be sure to connect the SOURCE and SENSE terminals
correctly. See Section 4.2, "Measurement" for details
of the connections.
To avoid injury or damage to the instrument, do not
attempt to measure AC voltage, or DC voltage
exceeding 50 V.
50 VDC ma
Do not apply a voltage between the SOURCE(+) and
SENSE(+) or SOURCE(-) and SENSE(-) terminals. This
could result in damage to the instrument.
CAUTIO
・ This instrument is not designed to be entirely water- or
dust-proof. To avoid damage, do not use it in a wet or
dusty environment.
・ Do not store or use the instrument where it could be
exposed to direct sunlight, high temperature or
humidity, or condensation. Under such conditions, the
instrument may be damaged and insulation may
deteriorate so that it no longer meets specifications.
・ Do not use the instrument near a source of strong
electromagnetic radiation, or near a highly electrically
charged object. These may cause a malfunction.
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Precautions
viii
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rganization of This Manual
This manual consists of the following chapters.
"Introduction", "Inspection", "Safety", "Precautions"
include some important notes which you should read
before using the instrument.
Chapter 1 Overview
describes an outline of the instrument, and lists its
features.
Chapter 2 Names and Functions of Parts
lists the names of the parts of the instrument, and the
functions of all of the indications, terminals, and
switches.
Chapter 3 Specifications
lists the specifications of the instrument.
Chapter 4 Standard Measurement
describes the basic operation of the instrument.
Chapter 5 Advanced Measurement Functions
describes miscellaneous functions.
Chapter 6 Maintenance
gives troubleshooting information.
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Organization of This Manual
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1
w
1
1
Chapter
Overvie
.1Product Overview
The 3555 is designed for measuring the internal
resistance and open-circuit voltage of secondary batteries,
including lead storage cells, nickel-cadmium batteries,
and nickel-metal hydride batteries.
.2Features
(1) Since it uses the AC four-terminal method to measure the
internal resistance, it provides accurate results with the
lead resistances and contact resistances eliminated.
(2) It is possible to display the readings for the battery
internal resistance and voltage without changing
functions.
(3) A composite comparator function, which can be set on
resistance and voltage values, enables reliable detection
of battery deterioration.
(4) Pin type leads which can easily contact the battery
electrodes are supplied as standard, allowing highaccuracy four-terminal measurement.
1
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Chapter 1 Overview
2
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Chapter 1 Overview
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2
of
ts
Chapter
Names and Functions
Par
This chapter explains the keys, input and output
terminals, display, LED indicators, and leads.
3
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Chapter 2 Names and Functions of Parts
4
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12345679101181312
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Front pane
Side pane
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Chapter 2 Names and Functions of Parts
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1
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910111213
POWER
300m
3
30
3
30
0 ADJ
HOLD
COMP
UP
DOWN
Keys and input/output terminals
key Turns the power on or off.
Ω key
Ω key
Ω key
Selects the resistance range
5
V key
V key
Selects the voltage range.
key Zero adjustment key
key Turns the beeper on and off.
key Locks out changes to the display.
key Left cursor (flashing) key
key Switches the comparator on and off, and
changes display to the comparator setting
screen.
key Right cursor (flashing) key
key Increases the value of a numeric setting.
key Decreases the value of a numeric setting.
SOURCE Connects to the 9461 banana plug on the
SOURCE side.
SENSE Connects to the 9461 banana plug on the
SENSE side.
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Chapter 2 Names and Functions of Parts
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