INSTRUCTION MANUAL
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3645-20
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VOLTAGE LOGGER
Contents
Introduction i
Inspection i
Safety Notes ii
Notes on Use v
Measurement Flow Chart and Reference Guide vi
Chapter 1 Product Outline 1
1.1 Name and Functions of Parts 2
1.2 Interval and Maximum Recording Time
1.3 Timings of Measurement
Chapter 2 Set Up 7
2.1 Replacing the Battery 7
2.2 Power Save Function
2.3 Setting Current Time
2.4 Connecting 9639 CONNECTION CABLE
2.5 Preheat Signal
10
11
12
3
4
9
Chapter 3 Settings 15
3.1 Setting Items 15
3.2 Manual Setting
3.3 Setting by COMMUNICATION BASE
18
21
Chapter 4 Specifications 23
Chapter 5 Maintenance and Service 25
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Introduction
Thank you for purchasing this HIOKI "3645-20 VOLTAGE
LOGGER." To get the maximum performance from the
unit, please read this manual first, and keep this at hand.
Inspection
When the unit is delivered, check and make sure that it has
not been damaged in transit. If the unit is damaged, or fails
to operate according to the specifications, contact your
dealer or HIOKI representative.
Accessories
9639 CONNECTION CABLE
9632 CONNECTION CABLE
Instruction Manual
LR03 alkaline battery X 4 (built into this unit, for monitor)
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
______________________________________________________________
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
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
R
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SafetyNotes
This equipment is designed according to IEC 61010
Safety Standards, and has been tested for safety prior
DANGE
Safety Symbols
to shipment. Incorrect measurement procedures
could result in injury or death, as well as damage to
the equipment. Please read this manual carefully and
be sure that you understand its contents before using
the equipment. The manufacturer disclaims all
responsibility for any accident or injury except that
resulting due to defect in its product.
This Instruction Manual provides information and warnings
essential for operating this equipment in a safe manner and
for maintaining it in safe operating condition. Before using
this equipment, be sure to carefully read the following
safety notes.
This symbol is affixed to locations on the equipment
where the operator should consult corresponding topics
in this manual (which are also marked with the
symbol) before using relevant functions of the
equipment.
In the manual, this mark indicates explanations which it
is particularly important that the user read before using
the equipment.
Indicates DC (Direct Current).
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Safety Notes
_____________________________________________________________________
R
iii
The following symbols are used in this Instruction Manual
to indicate the relative importance of cautions and
warnings.
Indicates that incorrect operation presents extreme
DANGE
WARNING
CAUTION
NOTE
danger of accident resulting in death or serious injury
to the user.
Indicates that incorrect operation presents significant
danger of accident resulting in death or serious injury
to the user.
Indicates that incorrect operation presents possibility
of injury to the user or damage to the equipment.
Denotes items of advice related to performance of the
equipment or to its correct operation.
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
_____________________________________________________________________
Measurement categories (Overvoltage categories)
This product complies with CAT I safety requirements.
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
Secondary electrical circuits connected to an AC
electrical outlet through a transformer or similar
device.
CAT II
CAT III
CAT IV
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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R
Notes on Use
In order to ensure safe operation and to obtain maximum
performance from the unit, observe the cautions listed
below.
The maximum input voltage is 60 V DC. Attempting
v
DANGE
WARNING
to measure voltage in excess of the maximum input
could destroy the product and result in personal injure
or death.
To avoid electric shock, do not allow the product to get
wet, and do not use it when your hands are wet.
To avoid electric shock, shut off the line power supply
before connecting the connection cable to the
terminals.
CAUTION
To avoid electric shock, before replacing the connection
cable, remove the all connection cable from the device to
be measured.
To avoid damaging connection cable (especially where the
leads connect to the probes), do not kink or pull on the
leads.
This product is designed for indoor use, and operates
reliably from 0
to 40 .
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.
This product is not designed to be entirely water- or dustproof. To avoid damage, do not use it in a wet or dusty
environment.
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Notes on Use
vi
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Measurement Flow Chart and Reference Guide
Is there sufficient
battery charge remaining
to operate 3645-20
Setting current time
Connecting sensor
Setting 3645 standalone
・Interval
・Preheat time
・Range
See 3.2.
Press REC/STOP
button to start
measurement.
See 3.2.
When recording data
reaches 32000,
measurement stops.
?
Set current time when using 3645-20 for the
first time or replacingbatteries. See 2.3.
See 2.4.
Setting 3645 with
COMMUNICATION
BASE
・Interval・Current time
・Start control
・Recording method
Manual start
Starts measurement
immediately.
One time
When recording data exceeds 32000, it overwrites
previously recorded data.
Replace batteries
COMMUNICATION BASE and
・Interval ・Preheat time
・Current time ・Start control
・Recording method
・Comment
No
recordingmethod
Settingstart control
Start control options
Starts measurement at
prescheduled time.
Setting
Setting 3645 with
Endless
PC
Yes
Time prescheduled
start
See 2.1.
Press REC/STOP button to stop measurement.
After measurement is complete, disconnect connection cord.
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
3645-20 VOLTAGE LOGGER enables measurement with
intervals and recording up to
This logger is designed with four measurement ranges
covering
the outputs of various types of sensors, and the voltages of
diverse devices and power supplies. The 3645-20 comes
equipped with a Preheat function. When a synchronized
Preheat signal is used in the measurement, the logger allows
control of the power supply to various types of sensors.
Data is saved in nonvolatile memory when batteries are
weak or removed for replacement.
50 mV to 50 V, to enable measurement of
50 VDC.
NOTE
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3645-20 cannot be set with 3910-20 COMMUNICATION
BASE. Use 3911-20, 3912-20 COMMUNICATION BASE to set
3645-20.
Product Outline
2
(
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1.1 Name and Functions of Parts
LCD
Optical data
transferports
INTERVAL
button
Connection terminal
LCD Displays measurement value and settings.
Optical data transfer
ports
INTERVAL button Calls up interval setting display to set interval
Connection terminal Connects 9639 CONNECTION CABLE.
REC/STOP button Pressing more than 1 second initiates or stops
(SELECT) button Interval is selected in interval setting display.
Preheat output
terminal
RANGE button Changes measurement range from 50 mV/500
Enables optical data transfer to
COMMUNICATION BASE.
and preheat time.
recording.
When the 9632 CONNECTION CABLE is
plugged into this terminal, it outputs the
Preheat signal (open-collector output).
mV/5 V/50 V.
REC/STOP button
SELECT)button
Preheat output
terminal
Range button
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Product Outline
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