Hioki IR4051 Bedienungsanleitung

IR4051

IR4052

Instruction Manual

INSULATION TESTER

Sept. 2023 Revised edition 9

IR4051A981-09

Scan this code to watch the

instructional video(s).

Carrier charges may apply.

Video

Read carefully before use.

Keep for future reference.

[600387699]

www.hioki.com/

IR4053

IR4051

IR4052

Instruction Manual

INSULATION TESTER

Sept. 2023 Revised edition 9

IR4051A981-09

Scan this code to watch the

instructional video(s).

Carrier charges may apply.

Video

Read carefully before use.

Keep for future reference.

[600387699]

www.hioki.com/

IR4053

HIOKI IR4051A981-09

Contents

Introduction ............................................................... 1

Verifying Package Contents...................................... 1

Options...................................................................... 3

Safety Information..................................................... 4

Operating Precautions .............................................. 8

Chapter 1 Overview 13

1.1 Product Overview ...................................... 13

1.2 Features .................................................... 13

1.3 Names and Functions of Parts .................. 15

1.4 Using a Carrying Case ............................. 20

Chapter 2 Measurement Procedures 21

2.1 Measurement Preparations ....................... 21

2.2 Pre-measurement inspection .................... 22

2.3 Inspecting the Instrument When Using the

L9788-10 Test Lead with Remote Switch (Red)

.................................................................. 23

2.4 Configuring the Comparator ...................... 24

2.4.1 Setting the Comparator .................. 25

2.4.2 Canceling the Comparator ............. 25

2.5 Insulation Resistance

Measurement ............................................ 27

IR4051A981-09

HIOKI IR4051A981-09

Contents

2.5.1 Lock Function ................................ 28

2.5.2 Measuring Insulation Resistance... 30

2.5.3 Switching the Number of

Display Digits ................................ 32

2.5.4 Displaying 1-min. Values .............. 34

2.5.5 Voltage Characteristic of Measuring

Terminals ....................................... 35

2.6 Discharging Function ................................ 36

2.7 Voltage Measurement ............................... 37

2.7.1 Negative Voltage Detection .......... 39

2.8 Low Resistance Measurement ................. 40

2.9 PVΩMeasurement ................................... 42

2.10 Auto power save (power-saving function) . 50

2.11 Auto-backlight-off ...................................... 50

Chapter 3 Specifications 51

Chapter 4 Maintenance and Service 63

4.1 Troubleshooting ........................................ 63

4.2 Replacing Batteries or Fuse...................... 68

4.3 Replacing the Pin (Option)........................ 71

4.4 Cleaning.................................................... 72

Appendix A1

HIOKI IR4051A981-09

Introduction

索引

Thank you for purchasing the HIOKI Model IR4051, IR4052,

IR4053 Insulation Tester. To obtain maximum performance from

the instrument, please read this manual first, and keep it handy

for future reference.

The “instrument” in this manual means IR4051, IR4052, or

IR4053.

• 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 authorized Hioki distributor or reseller.

• When transporting the instrument, use the original packing

materials in which it was shipped, and pack in a double carton.

Damage occurring during transportation is not covered by

warranty.

Introduction

The latest edition of the instruction manual

The contents of this manual are subject to change, for ex-

ample as a result of product improvements or changes to

specifications.

The latest edition can be downloaded from Hioki's website.

https://www.hioki.com/global/support/download/

Product registration

information.

https://www.hioki.com/global/support/myhioki/registration/

Verifying Package Contents

HIOKI IR4051A981-09

Verifying Package Contents

Package Contents

* L9787 Test Lead and L9788-11 Test Lead Set with Remote Switch are

all exclusively designed for the HIOKI IR4000 series. Do not use for any

other purpose.

Model

Name

Insulation Tester ×1

Version

-10 -11

Accessories

L9787 Test Lead* ×1 L9788-11 Test Lead Set

with Remote Switch* ×1

C0100 Carrying Case ×1

(Included with the IR4052.)

Instruction manual ×1

Neck strap (Included with the IR4051 and IR4053.) ×1

LR6 Alkaline battery ×4

IR4051, IR4053

IR4052

HIOKI IR4051A981-09

Options

索引

The following options are available for the IR4000 series. Ask

your authorized Hioki distributor or reseller when ordering.

The following options are available for the instrument. Contact

your authorized Hioki distributor or reseller when ordering. The

options are subject to change. Visit our website for updated

information.

Options

9804-02 Magnetic

Adapter

(11 mm Corresponding

standard screw:

M6 Button head screw)

C0100 Carrying Case

Carrying case for the IR4052

*L9787 Test Lead, L9788-10 Test Lead with Remote Switch (Red) and

L9788-11 Test Lead Set with Remote Switch are all exclusively

designed for the HIOKI IR4000 series. Do not use for any other purpose.

L9788-90 Tip Pin

(Pin length 123 mm

and 65 mm from the tip

has width 2.6 mm.)

L9788-92 Breaker Pin

L9788-11 Test Lead Set

with Remote Switch

L9787-91 Breaker Pin

L9788-10 Test Lead with Remote Switch

(Red) * (1.2 m)

L9787 Test Lead * (1.2 m)

HIOKI IR4051A981-09

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 fol-

lowing safety notes.

Safety Information

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 man-

ual before use.

• With regard to the electricity supply, there are risks of

electric shock, heat generation, fire, and arc discharge

due to short circuits. If persons unfamiliar with electric-

ity measuring instrument are to use the instrument,

another person familiar with such instruments must

supervise operations.

•Protective gear

This instrument is measured on a live line. To avoid

electric shock when measuring live lines, wear appro-

priate protective gear, such as insulated rubber gloves,

boots and a safety helmet.

HIOKI IR4051A981-09

Safety Information

索引

This manual contains information and warnings essential for

safe operation of the instrument and for maintaining it in safe

operating condition. Before using it, be sure to carefully read the

following safety precautions.

The following symbols in this manual indicate the relative impor-

tance of cautions and warnings.

Safety Symbols

In the manual, the symbol indicates particularly

important information that the user should read before

using the instrument.

The symbol printed on the instrument indicates that

the user should refer to a corresponding topic in the

manual (marked with the symbol) before using the

relevant function.

Indicates that dangerous voltage may be present at this

terminal.

Indicates a double-insulated device.

Indicates a grounding terminal.

Indicates DC (Direct Current).

Indicates AC (Alternating Current).

DO NOT USE IN DISTRIBUTION SYSTEMS WITH

VOLTAGES HIGHER THAN AC660V.

Indicates that incorrect operation presents an extreme

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.

Indicates advisory items related to performance or

correct operation of the instrument.

HIOKI IR4051A981-09

Safety Information

Symbols for Various Standards

Indicates that the product conforms to regulations set out by

the EU Directive.

WEEE marking:

This symbol indicates that the electrical and electronic

appliance is put on the EU market after August 13, 2005, and

producers of the Member States are required to display it on

the appliance under Article 11.2 of Directive 2002/96/EC

(WEEE).

Other Symbols

Indicates a prohibited action.

(p. ) Indicates the location of reference information.

*Indicates that descriptive information is provided below.

Indicates a function of the IR4051 Insulation Tester.

Indicates a function of the IR4052 Insulation Tester.

Indicates a function of the IR4053 Insulation Tester.

IR4051

IR4052

IR4053

The screen of this instrument displays characters in the following manner.

HIOKI IR4051A981-09

Safety Information

索引

We define measurement tolerances in terms of rdg. (reading)

and dgt. (digit) values, with the following meanings:

rdg. (reading or displayed value)

The value currently being measured and indicated on the

measuring instrument.

rdg. (reading or displayed value)

The smallest displayable unit on a digital measuring instrument,

i.e., the input value that causes the digital display to show a “1”

as the least-significant digit.

This instrument complies with CAT III safety requirements.

To ensure safe operation of measurement instruments, IEC 61010

establishes safety standards for various electrical environments,

categorized as CAT II to CAT IV, and called measurement categories.

Using a measurement

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.

Use of a measurement

instrument that is not

CAT-rated in CAT II to CAT IV measurement applications could result in a

severe accident, and must be carefully avoided.

Accuracy

Measurement categories

CAT II:

Primary electrical circuits in equipment connected to an AC

electrical outlet by a power cord (portable tools, household

appliances, etc.)

CAT II covers directly measuring electrical outlet

receptacles.

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).

HIOKI IR4051A981-09

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