INSTRUCTION MANUAL
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3638-20
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LEAK LOGGER
Contents
Introduction i
Inspection i
Safety Notes ii
Notes on Use v
Measurement Flow Chart and Reference Guide viii
Chapter 1 Product Outline 1
1.1 Name and Functions of Parts 2
1.2 Interval and Maximum Recording Time
1.3 Measurement Value Recording Modes
1.4 Leak Current Measurement
1.5 Load current measurement
Chapter 2 Set Up 9
2.1 Replacing the Battery 9
2.2 Power Save Function
2.3 Setting Current Time
2.4 Connecting Sensor Cable
11
12
12
3
5
6
8
Chapter 3 Settings 15
3.1 Setting Items 15
3.2 Manual Setting
3.3 Setting by COMMUNICATION BASE
20
22
Chapter 4 Specifications 25
Chapter 5 Maintenance and Service 27
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Introduction
Thank you for purchasing the Hioki 3638-20 LEAK
LOGGER. To obtain maximum performance from the
instrument, please read this manual first, and keep it handy
for future reference.
Inspection
When you receive the instrument, inspect it carefully to
ensure that no damage occurred during shipping. If damage
is evident, or if it fails to operate according to the
specifications, contact your dealer or Hioki representative.
Accessories
9632 CONNECTION CABLE
Instruction Manual
LR03 alkaline battery
(built into this unit, for monitor)
4
X
i
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.
NOTE
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Testing monitor batteries installed in the unit may possibly be
weak. Replace batteries before extended measurement usage.
Before using the product, make sure that the insulation on the
sensor cables is undamaged and that no bare conductors are
improperly exposed. Using the product in such conditions could
cause an electric shock, so contact your dealer or Hioki
representative for repair.
Inspection
ii
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SafetyNotes
This instrument is designed to conform to IEC 61010
Safety Standards, and has been thoroughly tested for
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Safety Symbols
safety prior to shipment. However, mishandling
during use could result in injury or death, as well as
damage to the instrument. 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 instrument and for maintaining it
in safe operating condition. Before using the instrument,
be sure to carefully read the following safety notes.
The symbol printed on the instrument indicates that
the user should refer to a corresponding topic in the
manual (marked with the
relevant function.
In the manual, the symbol indicates particularly
important information that the user should read before
using the instrument.
symbol) before using the
Indicates DC (Direct Current).
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Safety Notes
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R
iii
The following symbols in this manual indicate the relative
importance of cautions and warnings.
Indicates that incorrect operation presents an extreme
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WARNING
CAUTION
NOTE
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
instrument.
Advisory items related to performance or correct
operation of the instrument.
Accuracy
The specifications in this manual include figures for
"measurement accuracy" when referring to digital
measuring instruments, and for "measurement tolerance"
when referring to analog instruments.
f.s.
(maximum display or scale value, or length of scale)
Signifies the maximum display (scale) value or the length
of the scale (in cases where the scale consists of unequal
increments or where the maximum value cannot be
defined).
In general, this is the range value (the value written on
the range selector or equivalent) currently in use.
rdg.
(displayed or indicated value)
This signifies the value actually being measured, i.e., the
value that is currently indicated or displayed by the
measuring instrument.
dgt.
(resolution)
Signifies the smallest display unit on a digital measuring
instrument, i.e., the value displayed when the last digit on
the digital display is "1".
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Safety Notes
iv
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Measurement categories (Overvoltage categories)
To ensure safe operation of measurement product, IEC
61010 establishes safety standards for various electrical
environments, categorized as CAT I to CAT IV, and called
measurement categories. These are defined as follows.
CAT I
CAT II
CAT III
CAT IV
Secondary electrical circuits connected to an AC
electrical outlet through a transformer or similar
device.
Primary electrical circuits in equipment connected
to an AC electrical outlet by a power cord (portable
tools, household appliances, etc.)
Primary electrical circuits of heavy equipment
(fixed installations) connected directly to the
distribution panel, and feeders from the distribution
panel to outlets.
The circuit from the service drop to the service
entrance, and to the power meter and primary
overcurrent protection device (distribution panel).
Higher-numbered categories correspond to electrical
environments with greater momentary energy. So a
measurement device designed for CAT III environments can
endure greater momentary energy than a device designed for
CAT II. Using a measurement product in an environment
designated with a higher-numbered category than that for
which the product is rated could result in a severe accident,
and must be carefully avoided.
Never use a CAT I measuring product in CAT II, III, or IV
environments. The measurement categories comply with the
Overvoltage Categories of the IEC60664 Standards.
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Safety Notes
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Notes on Use
Follow these precautions to ensure safe operation and to
obtain the full benefits of the various functions.
This product cannot be used on following voltage lines.
v
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If the voltage exceeds, there will be a short-circuit
accident or electrocution accident will result.
CAT III, AC300 Vrms for 9657
CAT III, AC150 Vrms for 9658
To avoid short circuits and potentially life-threatening
hazards, never attach the clamp-on leak sensor to a
circuit that operates at more than the following
maximum rated voltage to earth.
AC300 Vrms for 9657
AC150 Vrms for 9658
Clamp-on leak sensor should only be connected to the
secondary side of a breaker, so the breaker can prevent
an accident if a short circuit occurs. Connections
should never be made to the primary side of a breaker,
because unrestricted current flow could cause a
serious accident if a short circuit occurs.
For model 9657
When conductors being measured carry in excess of
the safe voltage level (SELV-E)
and not more than 300
V, to prevent short circuits and electric shock while the
clamp core jaw is open, make sure that conductors to
be measured are insulated with material conforming to
(1) Measurement Category III
, (2) Pollution Degree 2,
and (3) Basic Insulation Requirements for Working
Voltages of 300 V.
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Notes on Use
vi
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For model 9658
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When conductors being measured carry in excess of
the safe voltage level (SELV-E)
and not more than 150
V, to prevent short circuits and electric shock while the
clamp core jaw is open, make sure that conductors to
be measured are insulated with material conforming to
(1) Measurement Category III
, (2) Pollution Degree 2,
and (3) Basic Insulation Requirements for Working
Voltages of 150 V.
Refer to the following standards regarding the
meanings of underlined terms.
IEC61010-1
IEC61010-2-031
IEC61010-2-032
To avoid electric shock, do not allow the product to
WARNING
get wet, and do not use it when your hands are wet.
When measuring the ground conductor on a
transformer Class 2 connection site, be careful not to
approach high voltage devices or conductors. Also, if
close to high voltage charging devices or if
measurement is otherwise difficult, first change the
route of the grounding wire.
To avoid damage to the product, protect it from
vibration or shock during transport and handling, and
be especially careful to avoid dropping.
This is a precision instrument: do not clamp any
foreign objects in the end of the clamp core, or insert
anything in the core gap.
Do not exert excessive pressure on the clamp sensor
or attempt to wedge the sensor into a tight spot for
measurement.
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Notes on Use
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vii
CAUTION
NOTE
To avoid electric shock when measuring live lines, wear
appropriate protective gear, such as insulated rubber
gloves, boots and a safety helmet.
This product is designed for indoor use, and operates
reliably from 0
to 50 .
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.
Accurate measurement may be impossible in the presence of
strong magnetic fields, such as near transformers and highcurrent conductors, or in the presence of strong electromagnetic
fields such as near radio transmitters.
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Notes on Use
viii
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Measurement Flow Chart and Reference Guide
Is there sufficient
battery charge remaining
to operate 3638
Setting current time
Connecting sensor
Setting 3638-20
stand-alone
・Interval
・Number of
channels
・Recording mode
・Range
See 3.2.
Press REC/STOP
button to start
measurement.
See 3.2.
When recording data
reaches 32000
(
16000 in 2 channels
measurement stops.
),
-20?
Set current time when using 3638-20 for the
first time or replacingbatteries. See 2.3.
See 2.4.
Setting 3638-20 with
COMMUNICATION BASE
・Interval
・Current time
・Start control
・Recording method
Quick start
Starts measurement
immediately.
One time
When recording data exceeds 32000(
overwrites previously recorded data.
Press REC/STOP button to stop measurement.
Replace batteries
COMMUNICATION BASE and PC
・Interval ・Current time
・Start control ・Range
・Recording method
・Number of channels
・Recording mode
・Alarm ・Comment
No
recordingmethod
Settingstart control
Start control options
Starts measurement at
prescheduled time.
Setting
Setting 3638-20 with
Endless
16000 in 2 channels
See 2.1.
Yes
Prescheduled start
), it
After measurement is complete, disconnect sensor cables.
Use COMMUNICATION BASE to send measurement data to personal computer.
(See COMMUNICATION BASE instruction manual.)
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Measurement Flow Chart and Reference Guide
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1
Chapter 1
Product Outline
3638-20 LEAK LOGGER with clamp on leak sensor
records 1 or 2 channels of data at leakage current value.
It measures and records AC RMS current values of up to 1
Arms at fixed intervals.
With two optional recording modes; recording maximum
value and recording average value, extended duration of
current recording is possible with battery operation.
Data is saved in nonvolatile memory when batteries are
weak or removed for replacement.
NOTE
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3638-20 LEAK LOGGER cannot be set with 3910-20
COMMUNICATION BASE.
Product Outline
2
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1.1 Name and Functions of Parts
1
2
3
6
7
4
8
5
1. LCD Displays measurement value and settings.
2. Optical data transfer
ports
3. INTERVAL button Calls up interval setting display to set interval,
4. MAX./MIN. button Displays maximum value or minimum value of
5. Clamp connection
terminal
6. REC/STOP button Pressing more than 1 second initiates or stops
(SELECT) button Interval is selected in interval setting display.
7. Alarm output
terminal
8. 100/1000 mA
button
Enables optical data transfer to
COMMUNICATION BASE.
recording mode and measurement channels.
recorded data.
Connects 9657/9658 CLAMP ON LEAK
SENSOR.
recording.
Connects 9632 CONNECTION CABLE and
outputs alarm signal (open drain output).
Changes measurement range from 100/1000
mA.
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Product Outline
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