Hioki FT6031-50 Manuale utente

FT6031-50

EARTH TESTER

Instruction Manual

July 2020 Edition 1

FT6031B961-00 20-07H

FT6031-50

EARTH TESTER

Instruction Manual

July 2020 Edition 1

FT6031B961-00 20-07H

HIOKI FT6031B961-00

Contents

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

Verifying Package Contents ..............................................5

Options (sold separately) ..................................................6

Safety Notes........................................................................7

Usage Notes......................................................................10

1 Overview 15

1.1 Overview and Features.................................15

Overview................................................................... 15

Features.................................................................... 15

1.2 Part Names and Functions...........................17

1.3 How to Use Carrying Case ...........................24

2 Preparing for Measurement 25

2.1 Attaching/Removing Protector ....................25

2.2 Inserting/Replacing Batteries ......................26

Procedure .................................................................28

2.3 Connecting the Z3210 Wireless Adapter

(Option) ..........................................................29

Procedure .................................................................30

3 Making Measurements 31

3.1 Measurement Procedure ..............................31

3.2 Inspecting Before Use ..................................32

3.3 Setting Up Comparator (PASS/FAIL Test) ...36

How to set up comparator......................................... 37

How to disable comparator .......................................37

FT6031B961-00

HIOKI FT6031B961-00

Contents

3.4 Precise Measurement for Earth

Resistance

(Precise Measurement Method,

3-pole Method)..............................................38

Performing zero adjustment...................................... 40

Connecting measurement cables ............................. 41

Measuring earth resistance ......................................45

Stowing .....................................................................48

Continuous measurement function ...........................49

3.5 SimpliedMeasurementforEarth

Resistance

(SimpliedMeasurementMethod,

2-pole Method)...............................................51

Performing zero adjustment...................................... 54

Connecting test leads ...............................................55

Measuring earth resistance ......................................57

Stowing .....................................................................57

3.6 Cautions and Tips for Measurement ...........58

Distance between earthing electrodes...................... 58

Location to install auxiliary earthing rod.................... 59

How to insert/pull out auxiliary earthing rod.............. 60

3.7 Auto Power Save

(Power-saving Function) ..............................62

3.8 Wireless

Communications F

unction

(GENNECT Cross) ...........................................63

3.9 Activating the LCD All-on Display ...............65

3.10 Displaying the Serial Number ......................66

4 Specications 67

4.1 GeneralSpecications .................................67

4.2 Input, Output, and Measurement

Specications................................................69

HIOKI FT6031B961-00

iii

Contents

5 Maintenance and Service 77

5.1 Repair, Inspection, and Cleaning.................77

5.2 Troubleshooting ............................................79

5.3 Error Display..................................................83

6 Appendix 85

6.1 Earth Resistance ...........................................85

6.2 Measurement Principle.................................87

WarrantyCerticate

HIOKI FT6031B961-00

Contents

HIOKI FT6031B961-00

Introduction

Thank you for choosing the HIOKI FT6031-50 Earth 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.

Carefully read the separate document entitled “Operating

Precautions” before use.

Intended audience

This manual has been written for use by individuals who use the

instrument or provide information about how to use the instrument.

In explaining how to use the instrument, it assumes electrical

knowledge (equivalent of the knowledge possessed by a graduate

of an electrical program at a technical high school).

HIOKI FT6031B961-00

Introduction

Notations

Safety notations

In this document, the severity levels of risk and hazard are classied

as follows:

DANGER

Indicates an imminently hazardous situation

that will result in death of or serious injury to the

operator.

WARNING

Indicates a potentially hazardous situation that

may result in death of or serious injury to the

operator.

CAUTION

Indicates a potentially hazardous situation

that may result in minor or moderate injury to

the operator or damage to the instrument or

malfunction.

IMPORTANT

Indicates information or content that is particularly

important from the standpoint of operating or

maintaining the instrument.

Indicates a high-voltage hazard. Failure to verify

safety or improper handling of the instrument

could lead to an electric shock, burn, or death.

Indicates an action that must not be performed.

Indicates an action that must be performed.

HIOKI FT6031B961-00

Introduction

Symbols afxed to the instrument

Indicates the need for caution or the presence of danger. For

more information about locations where this symbol appears

on instrument components, see the "Usage Notes" section

(p. 10), warning messages listed at the beginning of operating

instructions , and accompanying the document entitled

"Operating Precautions."

Indicates a double-insulated device.

Indicates DC (Direct Current).

Indicates AC (Alternating Current).

Indicates the power button that switches the instrument between

on and off states.

Symbols for various standards

Indicates the Waste Electrical and Electronic Equipment

Directive (WEEE Directive) in EU member states.

Indicates that the product conforms to regulations required by

the EU Directive.

Other notations

*Instructs the reader to see below for additional information.

(p.) Indicates the page number to reference.

Fn Operation key names are highlighted in bold.

HIOKI FT6031B961-00

Introduction

Screen display

The instrument screen displays the alphanumeric characters as

follows:

1 2 3 4 5 6 7 8 9 0

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

Accuracy

Hioki expresses accuracy as error limit values specied in terms of

percentages relative to reading and full scale, and digits.

Reading

(Displayed value)

Refers to the displayed value of the measuring instrument.

The limit values of reading errors are expressed in percent

of reading (% of reading, % rdg).

Full scale

(Maximum displayable value)

Refers to the maximum displayable value of each

measurement range. The instrument has measurement

ranges whose values are equal to the maximum displayable

values. The limit values of full-scale errors are expressed in

percent of full scale (% of full scale, % f.s.).

Digits

(Resolution)

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).

HIOKI FT6031B961-00

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