IR4053
HIOKI IR4057B961-01
IR4055
IR4056
IR4053-10
IR4055-11
IR4056-20
IR4056-21
Instruction Manual
IR4057-50
INSULATION TESTER
May 2021 Revised edition 1
IR4057B961-01 21-05H
(IR4052C960-01)
EN
HIOKI IR4057B961-01
Model-specic functionality
HIOKI IR4057B961-01
The following functionality is available on a model-
specific basis:
: Supported –: Not supported
Models
Functionality
(As shown on instrument)
IR4053 IR4055 IR4056 IR4057-50
See
Displaying 1-minute Values – – –
Negative Voltage
Notication
Low Resistance
Measurement
PVΩ Measurement
Wireless Communications
(GENNECT Cross)
Wireless Communications
(HID function)
*: Z3210 Wireless Adapter (option) required.
IR4057B961-01
– –
–
– – –
– –
– –
–
p. 37
p. 40
p. 42
p. 44
*
p. 51
*
p. 55
HIOKI IR4057B961-01
Contents
HIOKI IR4057B961-01
Introduction .........................................................................1
Verifying Package Contents ..............................................1
Notations ............................................................................. 4
Safety Information .............................................................. 7
Operating Precautions ....................................................... 9
1 Overview 13
1.1 Product Overview .......................................... 13
1.2 Names and Functions of Parts ....................14
2 Preparing for Measurement 21
2.1 Replacing Batteries or Fuse ......................... 22
2.2 Using the L9788-10 Test Lead with
Remote Switch (Red) ....................................25
2.3 Installing the Z3210 Wireless Adapter
(IR4057-50 only) ............................................. 27
3 Measurement 29
3.1 Pre-measurement Inspection ....................... 29
3.2 Auto Power Save (Power-Saving Function) 30
3.3 Auto Backlight-off (Automatic Light-off
Function) ........................................................ 30
3.4 Comparator Function .................................... 31
Setting the Comparator ............................................. 32
Canceling the Comparator ........................................ 33
3.5 Insulation Resistance Measurement ........... 34
Lock Function ...........................................................35
Measuring Insulation Resistance .............................. 36
Displaying 1-minute Values (IR4057-50 only) ...........37
Voltage Characteristics of Measurement Terminals .. 38
1
2
3
4
5
6
7
Appx.
索引
i
Contents
HIOKI IR4057B961-01
3.6 Discharging Function ...................................39
3.7 Voltage Measurement ...................................40
Negative Voltage Notication Function
(IR4053 and IR4055 only) ......................................... 41
3.8 Low Resistance Measurement
(IR4056 and IR4057-50 only) ......................... 42
3.9 PV
3.10 Wireless Communications Function .......... 51
Measurement Function
Ω
(IR4053 and IR4055 only) .............................. 44
Using the GENNECT Cross
(IR4055 and IR4057-50 only) ...................................51
Excel® Direct Input Function (HID function)
(IR4057-50 only) ....................................................... 55
4 Specications 59
4.1 GeneralSpecications .................................59
4.2 BasicandAccuracySpecications .............61
4.3 Functionalityspecications ......................... 69
Power-on Options ..................................................... 70
5 Maintenance and Service 71
5.1 Troubleshooting ............................................72
Errors and status codes ............................................ 77
Appendix Appx.1
Appx. 1 Measurement Principles ..................Appx.1
Appx. 2 Operation Uncertainty ...................... Appx.2
Appx. 3 Insulation Resistance Measurements
for Solar Cell Array ...........................Appx.3
ii
Introduction
HIOKI IR4057B961-01
Introduction
Thank you for choosing the Hioki IR4053-10, IR4055-11, IR4056-20,
IR4056-21, and IR4057-50 Insulation Tester. To ensure your ability
to get the most out of this instrument over the long term, please
read this manual carefully and keep it available for future reference.
Hereinafter, the descriptions refer to models as shown on the
instrument.
Verifying Package Contents
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 specications, contact your authorized Hioki
distributor or reseller. Conrm that these contents are provided.
□ Insulation Tester
IR4053, IR4055
IR4056
□ L9787 Test Lead
(IR4053-10 and IR4056-20 only)
IR4057-50
□□Instruction Manual
Operating Precautions
(0990A907)
□ LR6 Alkaline battery × 4
□ Neck strap
□ L9788-11 Test Lead Set with
Remote Switch
(IR4055-11 and IR4056-21 only)
1
2
3
4
5
6
7
□ L4930 Connection Cable Set
(IR4057-50 only)
□ L4938 Test Pin Set
(IR4057-50 only)
□ L4935 Alligator Clip Set
(IR4057-50 only)
付録索引
1
Verifying Package Contents
HIOKI IR4057B961-01
Options
The options listed below are available for the instrument. To order
an option, please contact your authorized Hioki distributor or
reseller.
Options are subject to change. Please check Hioki's website for the
latest information.
1
2
3
8
9
10
11
2
5
4
6
7
Verifying Package Contents
HIOKI IR4057B961-01
Model
L9788-11 Test Lead Set with
1
Remote Switch
9804-01 Magnet Adapter (Red)
9804-02 Magnet Adapter (Black)
2
(φ11 mm, standard screw: M6 pan
head screw)
L9787 Test Lead (1.2 m) CAT III 600 V/CAT II 600 V, 10 A
3
L9787-91 Breaker Pin CAT III 600 V, 10 A
4
L9788-10 Test Lead with Remote
5
Switch (Red)
L9788-92 Breaker Pin CAT III 600 V, 2 A
6
L9788-90 Tip Pin CAT III 600 V/CAT II 600 V, 2 A
7
L4930 Connection Cable Set
8
(1.2 m)
L4935 Alligator Clip Set CAT IV 600 V/CAT III 1000 V, 10 A
9
L4938 Test Pin Set CAT III 600 V/CAT II 600 V, 10 A
10
Z3210 Wireless Adapter
11
(for IR4057-50)
Maximum rated voltage and
maximum rated current
CAT III 600 V/CAT II 600 V, 2 A
CAT IV 1000 V, 2 A
CAT III 600 V/CAT II 600 V, 2 A
CAT IV 600 V/CAT III 1000 V, 10 A
–
1
2
3
4
5
6
7
付録索引
3
Notations
HIOKI IR4057B961-01
Notations
Safety notations
In this document, the severity levels of risk and hazard are classied
as follows.
DANGER
WARNING
CAUTION
IMPORTANT
Indicates an imminently hazardous situation that will
result in death or serious injury to the operator.
Indicates a potentially hazardous situation that may
result in death or serious injury to the operator.
Indicates a potentially hazardous situation that may
result in minor or moderate injury to the operator or
damage to the instrument or malfunction.
Indicates information or content that is particularly
important from the standpoint of operating or
maintaining the instrument.
Indicates a strong magnetic-eld hazard.
The effects of the magnetic force can cause
abnormal operation of heart pacemakers and/or
medical electronics.
Indicates prohibited actions.
Indicates the action which must be performed.
*
4
Additional information is presented below.
Symbols on the instrument
HIOKI IR4057B961-01
Indicates cautions and
hazards. When the symbol
is printed on the instrument,
refer to a corresponding
topic in the Instruction
Manual.
Indicates that dangerous
voltage may be present at
this terminal.
Indicates a instrument
that has been protected
throughout by double
insulation or reinforced
insulation.
Symbols for various standards
Notations
Indicates a grounding
terminal.
Indicates DC (Direct
Current).
Indicates AC
(Alternating Current).
Do not use in distribution
systems with voltage
higher than 660 V AC.
1
2
3
4
Indicates the Waste Electrical and Electronic Equipment
Directive (WEEE Directive) in EU member states.
Indicates that the product conforms to regulations set out by the
EU Directive.
Screen Display
The instrument screen displays the alphanumeric characters as follows.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
1 2 3 4 5 6 7 8 9 0
5
6
7
付録索引
5
Notations
HIOKI IR4057B961-01
Accuracy
Hioki expresses accuracy as error limit values specied in terms of
percentages of reading and digits.
Reading
(Displayed value)
Digits
(Resolution)
Refers to the displayed value of the measuring
instrument. The limit values of reading errors are
expressed in percent of reading (% of reading, % rdg).
Refers to the smallest change in the indication on the
digital measuring instrument, i.e., the numeral one in
the rightmost place. The limit values of digit errors are
expressed in terms of digits (dgt).
Trademarks
• The Bluetooth® word mark and logos are registered trademarks
owned by Bluetooth SIG, Inc. and any use of such marks by
Hioki E.E. Corporation is under license.
Other trademarks and trade names are those of their respective
owners.
• Microsoft Excel is either registered trademarks or trademarks of
Microsoft Corporation in the United States and other countries.
6
Safety Information
HIOKI IR4057B961-01
Safety Information
This instrument is designed to conform to IEC 61010 Safety
Standards, and has been thoroughly tested for safety prior
to shipment. However, using the instrument in a way not
described in this manual may negate the provided safety
features.
Before using the instrument, be certain to carefully read the following
safety notes:
DANGER
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.
WARNING
Protective gear
Performing measurement using this instrument
involves live-line work. To prevent an electric shock,
use appropriate protective insulation and adhere to
applicable laws and regulations.
1
2
3
4
5
6
7
付録索引
7
Safety Information
HIOKI IR4057B961-01
Measurement Categories
To ensure safe operation of measuring instruments, IEC 61010
establishes safety standards for various electrical environments,
categorized as CAT II to CAT IV, and called measurement categories.
DANGER
• Using a measuring 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.
• Never use a measuring instrument that lacks
category labeling in a CAT II to CAT IV measurement
environment. Doing so could result in a serious
accident.
This instrument conforms to the safety requirements for CAT III 600 V
measuring instruments.
CAT II: When directly measuring the electrical outlet receptacles of the
primary electrical circuits in equipment connected to an AC electrical
outlet by a power cord (portable tools, household appliances, etc.)
CAT III: When measuring the primary electrical circuits of heavy equipment
(xed installations) connected directly to the distribution panel, and
feeders from the distribution panel to outlets.
CAT IV:
When measuring the circuit from the service drop to the service
entrance, and to the power meter and primary overcurrent
protection device (distribution panel).
Service entrance
Service drop
8
Distribution panel
CAT IV
Power meter
Internal wiring
CAT III
Fixed installation
CAT II
T
Outlet
Operating Precautions
HIOKI IR4057B961-01
Operating Precautions
Observe the following precautionary information to ensure that the
instrument can be used safely and in a manner that allows it to
perform as described in its specications.
Use of the instrument should conrm not only to its specications,
but also to the specications of all accessories, options, batteries,
and other equipment in use.
DANGER
• For your safe operation, do not connect any test
lead to the primary of the distribution panel.
• Do not short-circuit two wires to be measured by
bringing the test leads into contact with them. Arcs
or such grave accidents are likely to occur.
• To avoid short circuit or electric shock, do not touch
the metal part of the connecting test lead tip.
• To avoid electric shock, be careful to avoid shorting
live lines with the test leads tip.
If the test lead or the instrument is damaged, there
is a risk of electric shock. Perform the following
inspection before using them:
• Before using the instrument check that the coating
of the test leads are neither ripped nor torn and that
no metal parts are exposed. Using the instrument
under such conditions could result in electric
shock. Replace the test leads with those specied
by Hioki.
• Verify that the instrument operates normally to
ensure that no damage occurred during storage
or shipping. If you nd any damage, contact your
authorized Hioki distributor or reseller.
1
2
3
4
5
6
7
付録索引
9
Operating Precautions
HIOKI IR4057B961-01
WARNING
To avoid electric shock, short circuits and damage to
the instrument, observe the following precautions:
• Check the position of the rotary switch before
taking measurements.
• Disconnect the test leads from the measuring object
before switching the rotary switch.
• Do not use the instrument with circuits that exceed
its ratings or specications. Doing so may damage
the instrument, resulting in electric shock.
• Use only the specied test leads. Use of any test
lead not specied by Hioki does not allow safe
measurements.
• To prevent electrical accidents, turn off the circuit
before connecting the test leads.
• To avoid electric shock, do not exceed the lower of
the ratings shown on the instrument and test leads.
CAUTION
• The cable is hardened under the 0°C or colder
environment. Do not bend or pull it to avoid tearing its
shield or cutting cable.
• The protection rating for the enclosure of this device
(based on EN 60529) is IP40*.
* IP40:
This indicates the degree of protection provided by the enclosure of
the device against use in hazardous locations, entry of solid foreign
objects, and the ingress of water.
4: Protected against access to hazardous parts with wire measuring 1.0 mm
in diameter.
0: The equipment inside the enclosure is not protected against the harmful
effects of water.
10
Installing the instrument
HIOKI IR4057B961-01
Installing the instrument in inappropriate locations
may cause a malfunction of instrument or may give
rise to an accident. Avoid the following locations.
• Exposed to direct sunlight or high temperature
• Exposed to corrosive or combustible gases
• Exposed to a strong electromagnetic eld or
electrostatic charge
• Near induction heating systems (such as highfrequency induction heating systems and IH
cooking equipment)
• Susceptible to vibration
• Exposed to water, oil, chemicals, or solvents
• Exposed to high humidity or condensation
• Exposed to high quantities of dust particles
Operating Precautions
WARNING
1
2
3
4
CAUTION
Do not place the instrument on an unstable table or an
inclined place. Dropping or knocking down the instrument
can cause injury or damage to the instrument.
Precautions when transporting the instrument
During shipment of the instrument, handle it carefully so that it is not
damaged due to a vibration or shock.
5
6
7
付録索引
11
Operating Precautions
HIOKI IR4057B961-01
Handling the Instrument
Persons wearing electronic medical devices such
as a pacemaker should not use the 9804-01, 9804- 02
Magnet Adapter. Such persons should avoid even
proximity to the 9804-01 and 9804-02, as it may
be dangerous. Medical device operation could be
compromised, presenting a hazard to human life.
To avoid damage to the instrument, protect it from physical
shock when transporting and handling. Be especially
careful to avoid physical shock from dropping.
Test leads
• Removable sleeves are attached to the metal pins
at the end of the test leads. To prevent a short circuit
accident, be sure to use the test leads with the sleeves
attached when performing measurements in the CAT III
measurement category. Remove the sleeves before
starting CAT II measurements. You can use the test
leads with the sleeve removed for secondary side of
the circuit breakers turned off. (See “Measurement
Categories” (p. 8))
• If the sleeves are inadvertently removed during
measurement, stop the measurement. (p. 26)
DANGER
CAUTION
CAUTION
12
1
HIOKI IR4057B961-01
Overview
1.1 Product Overview
This instrument is an insulation ohmmeter that shortens work times
associated with insulation testing. It is not designed for use on
manufacturing lines and should not be used in such applications.
For manufacturing line applications, use the ST5520 Insulation
Tester.
High-speed response
• Considerably improved response time compared to previous models.
• The instrument can be used like models with a meter needle.
Enhanced comparator function
• Can be used similarly to the continuity check with a tester due to judgment
after the start of measurement being extremely short.
• The backlight lights up in red for a FAIL judgment (defective).
Low variation in measured values
• The instrument generates little variation in measured values when used in a
typical measuring environment.
Easy-to-view display
• Backlight source is a white high-intensity LED.
• Wide viewing angle LCD
High-accuracy voltage measurement function
• The instrument incorporates a DC/AC voltmeter with the same accuracy as
a card tester.
• There is no need to switch to a card tester when you need to measure
voltage.
PVΩ measurement function (IR4053 and IR4055 only)
• Insulation resistance can be measured accurately for solar battery panel.
1
2
3
4
5
6
7
付録索引
13
Names and Functions of Parts
HIOKI IR4057B961-01
1.2 Names and Functions of Parts
Front
IR4056, IR4057-50
(p. 19, p. 22,
p. 34, p. 40)
1
(The illustration shows the IR4057-50)
Display
Top
32
4
MEASURE key (p. 16) Starts insulation resistance measurement.
1
EARTH terminal Connects the black test lead.
2
CONTROL terminal
3
LINE terminal Connects the red test lead.
4
Rotary switch Selects measurement functions.
5
LIGHT key
6
0Ω ADJ key
7
Live circuit indicator
8
14
(p. 9)
(p. 9)
1065 97 8
Controls L9788-10 Test Lead with Remote
Switch (Red)
Turns on and off the backlight.
Performs zero-adjustment for the low
resistance range.
Press with the COMP key simultaneously:
congures the wireless communications
function (p. 51) (IR4057-50)
Lights up when voltage remains between
input terminals.
COMP key
HIOKI IR4057B961-01
9
RELEASE key
10
Names and Functions of Parts
Sets the comparator’s judgment reference
value.
Press with the 0
congures the wireless communications
function. (p. 51) (IR4057-50)
Press before measurement to set the instrument
to the 500 V or 1000 V range (to prevent
erroneous application of the test signal).
ADJ key simultaneously:
Ω
1
2
IR4053, IR4055
500 V↔1000 V key
1
COMP key (1 s)
2
500 V/1000 V
3
RELEASE key
(The illustration shows the IR4055)
1 2
Switches between 500 V and 1000 V when using
PV
range.
Ω
Congures wireless communications function
(p. 51) (IR4055)
• Press before measurement to set the instrument
to the 500 V or 1000 V range (to prevent
erroneous application of the test signal).
• Applied voltage is conrmed when PVΩ range
is set.
(Other functions are the same as
IR4056 and IR4057-50.)
3
4
5
6
7
付録索引
15
Names and Functions of Parts
HIOKI IR4057B961-01
MEASURE key
MEASURE key
operation
Pull*
Description in
this manual
*: Convenient way for performing measurement repeatedly
Turn on the MEASURE key.
Press and hold
right side
Power OFF
Rotary switch
status
Fold down
(or release).
Turn off the
MEASURE key.
Description in
this manual
Turn off the rotary
16
switch.
Display
HIOKI IR4057B961-01
IR4057-50
Names and Functions of Parts
1
Bar graph
Battery indicator (three levels) (p. 29)
Turns on when the voltage measured with the V range is DC.
Turns on when the voltage measured with the V range is AC.
Blinks when the measured value is less than the minimum display
value.
Blinks when the measured value is greater than the maximum
display value.
Turns on when the measured value is retained.
Turns on when the comparator judgment is PASS (good). (p. 31)
Turns on when the comparator judgment is FAIL (defective).
(p. 31)
Blinks when a dangerous voltage exists between the
measurement terminals.
Judgment result buzzer (only when comparator is set) (p. 31)
Appears 30 s before auto power save function is activated.
(p. 30)
Turns on when zero adjustment is performed during low
resistance measurement. (p. 42)
Measured value
Comparator judgment reference value or
1-minute value
17
2
3
4
5
6
7
付録索引
Names and Functions of Parts
HIOKI IR4057B961-01
Displaying 1-minute values (p. 37)
• Turns on when 1 minute has passed since the start of insulation
resistance measurement.
• Indicates that the resistance value on the bottom of the display
is a 1-minute value (the measured value 1 minute after the start
of measurement).
Turns on when the comparator function is enabled. (p. 31)
Turns on when the instrument is set to the 500 V range or the
1000 V range.
Pressing
measurement.
Indicates wireless communications function status. (p. 51)
turns off the indicator and enables insulation
IR4056
Turns on when the reference value is indicated by the
comparator function.
Measured value
or comparator reference value
(Other functions are the same as
the IR4057-50.)
18
Names and Functions of Parts
HIOKI IR4057B961-01
IR4053, IR4055
REAR (Serial number label)
The serial number consists of nine digits. The rst two indicate the year
of manufacture (the last two digits of the Western year), and the next two
indicate the month of manufacture.
(The illustration shows the IR4055)
Measured value
or comparator reference value
(Other functions are the same as the
IR4056 and the IR4057-50.)
Turns on when the PVΩ measurement mode is selected.
Turns on when selecting 500 V range in the PVΩ measurement
mode.
Turns on when selecting 1000 V range in the PVΩ measurement
mode.
Indicates wireless communications function status. (p. 51)
(IR4055)
1
2
3
4
5
6
7
付録索引
19
Names and Functions of Parts
HIOKI IR4057B961-01
L9788-10 Test Lead with Remote Switch (Red)
CAUTION
The MEASURE key of the instrument is enabled even
when the L9788-10 is connected to an insulation
resistance tester. Note that the testing voltage is output
when the MEASURE key of the instrument is turned ON
while the L9788-10 is connected.
Refer to “Attaching the L9788-92 Breaker Pin” (p. 26)
Sleeve
Enlarged tip view
35
16
1 2 3
Plug
1.8
φ
Light
1
MEASURE key
2
Judgment display
3
3.0
φ
20
Unit: mm
Lights up interlocked with the backlight of the
instrument.
• Starts insulation resistance measurement.
• Lights up in red interlocked with the live wire
warning indicator of the instrument.
Lights up in accordance with the comparator
judgment result.
• PASS: Green
• FAIL: Red
Preparing for Measurement
HIOKI IR4057B961-01
2
CAUTION
Attach the strap securely to the four ttings on the
instrument. If insecurely attached, the instrument may fall
and be damaged when carrying.
Attach the strap.
1
Slightly extend each of the four
double-loop split rings and pass
the ring through a lug-hole on
the instrument.
Secure the strap at
4 positions.
Insert the batteries. (p. 22)
2
Connect the test leads to the terminals.
3
1
2
3
4
5
EARTH terminal
Connect the black
test lead.
Attach each test pin or alligator clip to a lead.
4
LINE terminal
Connect the red
test lead.
6
7
Fully insert the test lead to the
test pin or alligator clip.
or
付録索引
21
Replacing Batteries or Fuse
HIOKI IR4057B961-01
2.1 Replacing Batteries or Fuse
WARNING
• To avoid electric shock, turn off the MEASURE key,
disconnect the test leads from the measuring object
before replacing the battery cover.
• After replacing the batteries, reattach the cover and
secure the screw before using the instrument.
• Battery may explode if mistreated. Do not
shortcircuit, recharge, disassemble or dispose of in
re.
• Replace the fuse only with one of the specied type,
characteristics, rated current, and rated voltage. Do
not use fuses other than those specied (especially,
do not use a fuse with higher-rated current) or do
not short circuit and use the fuse holder. Doing so
may damage the instrument and result in bodily
injury.
Fuse type: FF0.5 AH/1000 V (70 172 40.0.500:
SIBA GmbH) (Fast blow, arc-extinguishing material
included, and high breaking capacity)
The fuses can be purchased via authorized Hioki
distributor or reseller. (Fuse replacement not
required for the IR4053 or IR4055)
• To prevent instrument damage or electric shock,
use only the screw for securing the battery cover
in place that are originally installed. If you have lost
a screw or nd that a screw is damaged, please
contact your authorized Hioki distributor or reseller.
22
Loading...