Thank you for purchasing the HIOKI "3637-20 AC
VOLTAGE LOGGER." To obtain maximum performance
from the product, please 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. If damage is
evident, or if it fails to operate according to the
specifications, contact your dealer or Hioki representative.
Accessories
9639 CONNECTION CABLE
Instruction Manual
LR03 alkaline battery X 4
(built into this unit, for monitor)
i
Testing monitor batteries installed in the
unit may possibly be weak. Replace
batteries before extended measurement
usage.
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.
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.
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.
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
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.
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".
This product complies with CAT III 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
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.
In order to ensure safe operation and to obtain maximum
performance from the unit, observe the cautions listed
below.
The maximum input voltage is AC600 Vrms. Attempting
v
DANGE
WARNING
to measure voltage in excess of the maximum input
could destroy the product and result in personal injury
or death.
Connection cable 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.
To avoid electric shock, do not allow the product to get
wet, and do not use it when your hands are wet.
In order to prevent electric shock and short-circuit
accidents, shut off the power to the line to be
measured before connecting the connection cable.
To prevent electrical shock, before replacing the connection
cable, remove the all connection cable from the device to
be measured.
To avoid damaging the connection cables, do not bend or
pull the connection cables.
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.
This product is not designed to be entirely water- or dustproof. To avoid damage, do not use it in a wet or dusty
environment.
When recording data
reaches 32000,
measurement stops.
?
Set current time when using 3637-20 for the
first time or replacingbatteries. See 2.3.
See 2.4.
Setting 3637-20 with
COMMUNICATION
BASE
・Interval
・Current time
・Start control
・Recording method
Quick start
Starts measurement
immediately.
One time
When recording data exceeds 32000, it overwrites
previously recorded data.
Replace batteries
Setting 3637-20 with
COMMUNICATION BASE and PC
・Interval ・Current time
・Start control
・Recording method
・Recording mode
・Comment
No
recordingmethod
Settingstart control
Start control options
Starts measurement at
prescheduled time.
Setting
Yes
Prescheduled start
Endless
See 2.1.
Press REC/STOP button to stop measurement.
After measurement is complete, disconnect connection cable.
Use COMMUNICATION BASE to send measurement data to personal computer.
(See COMMUNICATION BASE instruction manual.)
3637-20 AC VOLTAGE LOGGER enables effective value
measurement with intervals and recording up to AC600
Vrms.
With two optional recording modes; recording instantaneous
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.
3637-20 cannot be set with 3910-20 COMMUNICATION
BASE.
The table below shows the record interval and the
maximum recording time (when instantaneous values are
recorded with the power save function enabled).
The maximum recording time varies depending on the
remaining power level of the battery.
When average values are recorded with the power save
function enabled, the recording time will be approximately
one month.
Maximum recordable data is 32000 per unit.
To calculate effective value, measurement signal is sampled
every 250 µs and operation is carried out from data with
maximum 400 points to seek effective value.
Maximum 400 points partitioned
at complete cycle
250µs
Recording instantaneous value
To record instantaneous value, calculate effective value only
oncepersetintervalandrecordinmemory.
Interval
Records instantaneous value
Recording average value
To record average value, calculate effective value only once
per second and record average value of all data within
interval in memory.
After recording starts, average value within interval is
recorded, so the initial data is not recorded immediately
after recording starts but is recorded from the following
interval.
To avoid electric shock when replacing the batteries,
WARNING
first disconnect the connection cables from the object
to be measured.
During battery replacement, use caution not to put any
foreign materials such as a metal object into the unit to
avoid damage to the unit.
After replacing the batteries, replace the cover and
screws before using the product.
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.
Handle and dispose of batteries in accordance with
local regulations.
When exchanging the batteries, the circuit may sometimes
short circuit due to static electricity. As far as possible, do not
touch the base board with bare hands.
Installing new batteries ensures about 1 year of
instantaneous value recording (when interval is set at more
than 1 minute) and about 1 month of average value
recording. (reference value with power save setting set to
valid and at 20
Remaining battery power indicator (
)
)indicates
remaining battery life reducing incrementally from right.
Empty battery power indicator (
) indicates time to
replace batteries.
(1) Remove back cover screw to remove cover. Verify
polarity and install four new LR03 alkaline batteries.
Display window is automatically turned off in
approximately 15 seconds after last key entry. (Sleep)
However, while recording, REC/AV/
shows each conditions.
Press any button to turn display on to display measurement
value or to set settings.
Note when interval setting display is on, sleep does not
engage with no button press.
Initially, power save function is on. To turn off power save
function, follow the instructions below.
When power save function is off, maximum continuous
duration is approximately 15 days.
//mark
Sleeping......
(1) Connect logger, COMMUNICATION BASE and
personal computer.
(2) Start up application software packaged with
COMMUNICATION BASE.
(3) Go to Communications on the menu bar and select
Power Save Options. Choose Off to turn off power save
function.
See COMMUNICATION BASE instruction
manual to connect logger and to install
application software. To use application
software, see operation guide.
When replacing 3637-20 AC VOLTAGE LOGGER
batteries or using 3637-20 stand-alone (with manual
operation) for the first time, connect with
COMMUNICATION BASE and set current time.
See how to set current time in COMMUNICATION BASE
instruction manual.
To avoid electrical shock, be careful to avoid shorting
WARNING
live lines with the 9639 CONNECTION CABLE.
The maximum input voltage is AC600 Vrms. Attempting
to measure voltage in excess of the maximum input
could destroy the product and result in personal injury
or death.
The maximum rated voltage between input terminals
and ground is 600 Vrms. Attempting to measure
voltages exceeding 600 Vrms with respect to ground
could damage the product and result in personal injury.
Connect 9639 CONNECTION CABLE to 3637-20.
Because it measures alternating current voltage, there is no
required polarity for connecting 9639 CONNECTION
CABLE tip clip.
Logger stand-alone manual settings and settings in
combination with COMMUNICATION BASE with
measurement conditions stored in memory loaded from
personal computer.
Start manual recording by pressing logger REC/STOP
button for 1 second or initiate by prescheduled start set
using COMMUNICATION BASE.
When time scheduled start is engaged, clock icon appears
in display. When batteries are weak, recording does not
start. During recording, weak battery interrupts recording.
2. Stop recording
Stop recording by pressing logger REC/STOP button for 1
second. Or recording stops automatically when data is full
when set to recording method: one time.
3. Interval setting
Set interval with logger alone or using COMMUNICATION
BASE. (1/2/5/10/15/20/30 s, 1/2/5/10/15/20/30/60 min)
4. Current time setting
To set current time, see COMMUNICATION BASE
instruction manual.
5. Start control
Set specific recording date and time using
COMMUNICATION BASE to engage time scheduled start.
When time scheduled start is engaged, clock icon appears
in display.
6. Recording method setting
Set recording method using COMMUNICATION BASE.
Choose either one time or endless recording method.
Default setting is one time.
One time: Ends recording when data reaches 32000.
Endless : Overwrites previously recorded data when data
With 3637-20 stand-alone, or connected together with
COMMUNICATION BASE and PC, setting is available.
Two recording mode options are instantaneous value
recording and average value recording (AV displayed).
At factory shipment setting, average value recording is
selected.
13
Average value recording mode records average
value within interval, so the initial data is not
recorded immediately after recording starts but
is recorded from the following interval.
For example, when measurement started at
12:00 at 1 minute intervals, the first data is data
recorded when 1 minute has passed at 12:01.
8. Comments
Set comments entered by personal computer to logger using
COMMUNICATION BASE. When sorting collected
recording data, comments are helpful.
Comment setting is available when personal computer is
connected to both logger and COMMUNICATION BASE.
9. Maximum/Minimum value display
3637-20 stand-alone enables maximum/minimum value
display settings. Maximum value or minimum value of
recorded data is alternately displayed.
・Maximum value and minimum value are from
data recorded in memory and may vary from
each displayed value per second.
・When recording method is set as endless,
maximum value and minimum value from the
beginning of recording are displayed. When
old data is overwritten after extended
recording, data currently recorded may differ
from displayed maximum value and minimum
value.
3637-20 AC VOLTAGE LOGGER stand-alone manual
operation settings are shown below.
(1) Interval setting
Press INTERVAL button to switch measurement value
display to interval setting display. (INTVL appears.)
Press SELECT button to designate interval.
Press INTERVAL button to complete setting.
(2) Setting recording mode
Press INTERVAL button to display interval setting
display.
Each MAX/MIN button press alternates and selects
instantaneous value recording and average recording
(AV displayed).
To set instantaneous value recording and average
recording, see 1.3 Measurement Value Recording
Modes.
Press REC/STOP button for 1 second to clear last
recorded data and start recording. (REC appears.)
Press REC/STOP button for 1 second to stop recording.
When memory is full, recording automatically stops
when recording method: one time is selected.
When batteries are weak, recording does not start.
During recording, weak batteries interrupt recording.
(4) Maximum/Minimum value display
Press MAX/MIN button to display maximum or
minimum value from recorded data.
Each button press alternates display.
(1) Press logger INTERVAL button lightly to display LCD.
(2) When logger LCD shows REC mark or clock icon,
press REC/STOP button for more than 1 second to stop
recording.
During recording or waiting time before recording start
time, data transfer cannot be established with
COMMUNICATION BASE.
(3) Press logger INTERVAL button to display interval
setting display. (INTVL appears.)
(4) Connect COMMUNICATION BASE with logger.
(5) Press COMMUNICATION BASE SEND button for
more than 1 second to send data settings to logger.
・Previously recorded logger data is erased
when recording is resumed. Be sure to load
data to be saved to COMMUNICATION BASE
or to personal computer before recording.
・At any other time even when interval setting
display is not shown, except during recording
and waiting for recording, communication with
COMMUNICATION BASE is available.
However communication is disabled when
logger is set to sleep.
3637-20 settings in application software
COMMUNICATION UTILITY packaged with
COMMUNICATION BASE are as follows.
Go to 'Communication' on the menu bar in
COMMUNICATION UTILITY and select 'Set measurement
condition'. When measurement condition setting window is
open, select '3637' setting items to set settings.
17
・Comment and recording mode are only available in
3637 setting items. Personal computer,
COMMUNICATION BASE and 3637-20 must be
connected during setting.
・Common settings are available to be set in '3911,
Operating
temperature and
humidity for
guaranteed
accuracy
Guaranteed
accuracy period
Interval for
effective value
calculation
LCD displayMeasurement value, Interval, Battery status
Recording modeRecording instantaneous value
Interval1/2/5/10/15/20/30 s, 1/2/5/10/15/20/30/60 min
Recording
capacity
Recording startManual start, Prescheduled start
Recording stopManual stop, Memory full
Recording method One time, Endless
Displaying
Max/Min value
AC600 Vrms or 1000 V peak
600 Vrms
0.0 to 600.0 V
True effective value calculation
)
235(739 ), 80%RH or less
1 year
1 time per second
(remaining battery power indicator: 4 phases)
Unit (V), recording (REC), prescheduled(
average value recording (AV), maximum value
(MAX), minimum value (MIN)
Recording average value (records average value
within interval)
Power supplyLR03 alkaline battery X 4 (1.5 VDC X 4)
Maximum rated
power
Battery lifeAbout one year
DimensionsApprox. 57W X 86H X 30D mm
MassApprox. 130 g (4.6 oz) (including batteries)
Location for useIndoors, altitude up to 2000 m (6562 feet)
Operate
temperature and
humidity range
Storage
temperature and
humidity range
AccessoriesLR03 alkaline battery X 4
Options3911-20 COMMUNICATION BASE
Standards
Applying
(Data not erased by weak batteries or battery
replacement)
0.1 VA
(temperature at 20
when instantaneous value recording at 1 minute
intervals is selected)
About one month
(temperature at 20
when average value recording is selected)
(2.24"W X 3.39"H X 1.18"D) (excluding projections)
0to50 , 80%RH or less (no condensation)
(32 to 122
-10 to 60 , 80%RH or less (no condensation)
(14 to 140
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.
Wipe the LCD gently with a soft, dry cloth.
Service
If the product seems to be malfunctioning, confirm that the
batteries are not discharged, and that the probes are not
open circuited before contacting your dealer or Hioki
representative.
Error Messages
The following error may be displayed on the LCD of the
main instrument as shown below.
Error MessageMeaning
ROM error
RAM error
Adjustment data error
When this occurs, repair or check the device. Contact your
dealer or Hioki representative.
All inquiries to International Sales and Marketing Department
81 Koizumi, Ueda, Nagano, 386-1192, Japan
TEL: +81-268-28-0562 / FAX: +81-268-28-0568
E-mail: os-com@hioki.co.jp
URL http://www.hioki.com/
Printed in Japan 3637A981-05
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.
Page 40
HEAD OFFICE
81 Koizumi, Ueda, Nagano 386-1192, Japan
TEL +81-268-28-0562 / FAX +81-268-28-0568
E-mail: os-com@hioki.co.jp / URL http://www.hioki.com/
HIOKI USA CORPORATION
6 Corporate Drive, Cranbury, NJ 08512, USA
TEL +1-609-409-9109 / FAX +1-609-409-9108
3637A981-05 08-06H
Printed on recycled paper
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