Hioki 3637-20 User manual

INSTRUCTION MANUAL
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3637-20
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AC VOLTAGE LOGGER

Contents
Introduction i
Inspection i
Safety Notes ii
Notes on Use v
Measurement Flow Chart and Reference Guide vii
Chapter 1 Product Outline 1
1.1 Name and Functions of Parts 2
1.2 Interval and Maximum Recording Time 3
1.3 Measurement Value Recording Modes 4
Chapter 2 Set Up 5
2.1 Installing or Replacing the Batteries 5
2.2 Power Save Function 7
2.3 Setting Current Time 8
2.4 Connecting 9639 CONNECTION CORD 9
Chapter 3 Settings 11
3.1 Setting Items 11
3.2 Manual Setting 14
3.3 Setting by COMMUNICATION BASE 16
Chapter 4 Specifications 19
Chapter 5 Maintenance and Service 21

i
_____________________________________________________________________
Inspection
______________________________________________________________
Testing monitor batteries installed in the
unit may possibly be weak. Replace
batteries before extended measurement
usage.
Introduction
Ins
p
ection
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.
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 X4
(built into this unit, for monitor)
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.

ii
_____________________________________________________________________
Safety Notes
______________________________________________________________
DANGE
R
This equipment is designed according to IEC 61010
Safety Standards, and has been tested for safety prior
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.
Safety Symbols
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 a device which is double-insulated.
Indicates DC (Direct Current).
Indicates AC (Alternating Current).
Safet
y
Notes
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.

iii
_____________________________________________________________________
Safety Notes
______________________________________________________________
DANGE
R
Indicates that incorrect operation presents extreme
danger of accident resulting in death or serious injury
to the user.
WARNING
Indicates that incorrect operation presents significant
danger of accident resulting in death or serious injury
to the user.
CAUTION Indicates that incorrect operation presents possibility
of injury to the user or damage to the equipment.
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".
The following symbols are used in this Instruction Manual
to indicate the relative importance of cautions and
warnings.
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.

iv
_____________________________________________________________________
Safety Notes
______________________________________________________________
CAT I Secondary electrical circuits connected to an AC
electrical outlet through a transformer or similar
device.
CAT II Primary electrical circuits in equipment connected
to an AC electrical outlet by a power cord (portable
tools, household appliances, etc.)
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).
Measurement categories (Overvoltage categories)
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.
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.

v
_____________________________________________________________________
Notes on Use
______________________________________________________________
DANGE
R
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.
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.
WARNING
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.
Notes on Use
In order to ensure safe operation and to obtain maximum
performance from the unit, observe the cautions listed
below.

vi
_____________________________________________________________________
Notes on Use
______________________________________________________________
CAUTION 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 dust-
proof. To avoid damage, do not use it in a wet or dusty
environment.

vii
_____________________________________________________________________
Measurement Flow Chart and Reference Guide
______________________________________________________________
Is there sufficient
battery charge remaining
to o
p
erate 3637-20?
Replace batteries
Setting current time
Setting 3637-20
stand-alone
・Interval
・Recording mode
Setting 3637-20 with
COMMUNICATION
BASE
・Interval
・Current time
・Start control
・Recording method
Setting 3637-20 with
COMMUNICATION BASE and PC
・Interval ・Current time
・Start control
・Recording method
・Recording mode
・Comment
See 2.1.
See 3.2.
Connecting connection cables See 2.4.
Press REC/STOP
button to start
measurement.
Settin
g
start control
Start control o
p
tions
No
Yes
Quick start
Prescheduled start
Starts measurement
immediately.
Starts measurement at
prescheduled time.
Setting
recordin
g
method
Endless
One time
When recording data
reaches 32000,
measurement stops.
When recording data exceeds 32000, it overwrites
previously recorded data.
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.)
See 3.2.
Set current time when using 3637-20 for the
first time or re
p
lacin
g
batteries. See 2.3.
Measurement Flow Chart and Reference Guide

viii
_____________________________________________________________________
Measurement Flow Chart and Reference Guide
______________________________________________________________

1
_____________________________________________________________________
Product Outline
______________________________________________________________
3637-20 cannot be set with 3910-20 COMMUNICATION
BASE.
Chapter 1
Product Outline
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.

2
_____________________________________________________________________
Product Outline
______________________________________________________________
1
2
3
4
6
5
1. LCD Displays measurement value and settings.
2. Optical data
transfer ports
Enables optical data transfer to
COMMUNICATION BASE.
3. INTERVAL button Calls up interval setting display to set interval,
recording mode.
4. MAX./MIN. button Displays maximum value or minimum value of
recorded data.
5. Connection terminal Connects 9639 CONNECTION CABLE.
6. REC/STOP button Pressing more than 1 second initiates or stops
recording.
(SELECT) button Interval is selected in interval setting display.
1.1 Name and Functions of Parts

3
_____________________________________________________________________
Product Outline
______________________________________________________________
INTVL Maximum Recording Time
1s 8h53min20s
2s 17 h 46 min 40 s
5s 1 day 20 h 26 min 40 s
10 s 3 day 16 h 26 min 40 s
15 s 5 day 13 h 20 min
20 s 7day9h46min40s
30 s 11 day 2 h 40 min
1min 22 day 5 h 20 min
2min 44 day 10 h 40 min
5min 111 day 2 h 20 min
10 min 222 day 5 h 20 min
15 min 333 day 8 h
20 min 444 day 10 h 40 min
30 min 666 day 6 h
60 min 1333 day 8 h
1.2 Interval and Maximum Recording Time
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.

4
_____________________________________________________________________
Product Outline
______________________________________________________________
Maximum 400 points partitioned
at com
p
lete c
y
cle
250
µ
s
Interval
Records instantaneous value
Interval
One second interval
Recordin
g
starts Records avera
g
evalue
1.3 Measurement Value Recording Modes
Effective value calculation
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.
Recording instantaneous value
To record instantaneous value, calculate effective value only
oncepersetintervalandrecordinmemory.
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.

5
_____________________________________________________________________
Set Up
______________________________________________________________
WARNING
To avoid electric shock when replacing the batteries,
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.
CAUTION 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.
Chapter 2
Set Up
2.1 Installing or Replacing the Batteries

6
_____________________________________________________________________
Set Up
______________________________________________________________
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.
(2) Fit cover properly and tighten screw.

7
_____________________________________________________________________
Set Up
______________________________________________________________
Slee
p
in
g
......
See COMMUNICATION BASE instruction
manual to connect logger and to install
application software. To use application
software, see operation guide.
2.2 Power Save Function
Display window is automatically turned off in
approximately 15 seconds after last key entry. (Sleep)
However, while recording, REC/AV///mark
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.
(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.

8
_____________________________________________________________________
Set Up
______________________________________________________________
2.3 Setting Current Time
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.