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Hioki FT6031-50 KIT
Manual
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Hioki Hioki FT6031-50 KIT Manual

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Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 - TestEquipmentDepot.com
FT6031-50
Instruction Manual

EARTH TESTER
July 2020 Edition 1 FT6031B961-00 20-07H
EN

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
i
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
ii
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
iii
Contents
iv

Introduction

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).
1
Introduction
Notations
Safety notations
In this document, the severity levels of risk and hazard are classied
as follows:
Indicates an imminently hazardous situation
DANGER
WARNING
CAUTION
IMPORTANT
that will result in death of or serious injury to the operator.
Indicates a potentially hazardous situation that may result in death of 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 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.
2
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.
*
Indicates the page number to reference.
(p.)
Operation key names are highlighted in bold.
Fn
Introduction
3
Introduction
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
Accuracy
Hioki expresses accuracy as error limit values specied in terms of
percentages relative to reading and full scale, and digits.
(Displayed value)
Reading
Full scale
Digits
Refers to the displayed value of the measuring instrument. The limit values of reading errors are expressed in percent of reading (% of reading, % rdg).
(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.).
(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).
4

Verifying Package Contents

Verifying Package Contents
When you open the package, carefully inspect the instrument to ensure that everything is in good condition, and that no damage occurred during shipping. Carefully check the accessories, panel keys, and connectors. If the instrument seems to have been
damaged or does not work as specied, contact your authorized
Hioki distributor or reseller.
Check the package contents as follows.
FT6031-50
L9840 Auxiliary Earthing Rod
L9841 Measurement Cable
L9842-11 Measurement Cable
L9842-22 Measurement Cable
C0106 Carrying Case ×1
Protector
AA alkaline battery (LR6) ×4 Instruction Manual Operating Precautions (0990A907)
Accessories
(2 piece set) ×1
(alligator clip, black 4 m) ×1
(yellow 10 m, equipped with winder) ×1
(red 20 m, equipped with winder) ×1
5

Options (sold separately)

Options (sold separately)
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.
L9787 Test Lead
L9840 Auxiliary Earthing Rod
L9841 Measurement Cable
L9842-11 Measurement Cable
(for simplied measurement method,
indoor use only, red and black 1.2 m each)
(for precision measurement method, 2 pcs in 1 set) (φ 6 mm, entire length of 270 mm, straight section 235 mm, material: stainless SUS304)
(for precision measurement method, alligator clip, black 4 m)
(for precision measurement method, yellow 10 m, equipped with winder)
L9842-22 Measurement Cable
L9843-51
L9843-52
L9844 Measurement Cable
9050 Earth Nets
C0106 Carrying Case
Z3210 Wireless Adapter
(for precision measurement method, red 20 m, equipped with winder)
Measurement Cable (for precision measurement method,
yellow 50 m, equipped with at cable winder)
Measurement Cable (for precision measurement method,
red 50 m, equipped with at cable winder)
(for earthing terminal board, alligator clip, 3 cables in 1 set, red/yellow/black 1.2 m each)
(2 sheets in 1 set, 300 mm × 300 mm)
6

Safety Notes

Safety Notes
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. Carefully read the following safety notes before using the instrument.
DANGER
Mishandling during use could result in injury or death, as well as damage to the instrument. Familiarize yourself with the instructions and precautions in this manual before use.
WARNING
Electricity can potentially cause serious events such as an electric shock, heat generation, re, and an arc ash due to a short-circuit. If you have not used any electrical measuring instruments before, you should be supervised by a technician who has experience in electrical measurement.
7
Safety Notes
Measurement categories
To ensure safe operation of measuring instruments, IEC 61010
species the measurement categories, which classies testing and
measuring circuits into three categories according to the types of mains circuits to which they are intended to be connected.
DANGER
• Do not use a measuring instrument for
measurements on a mains circuit that exceeds the range of the measurement category rated for the instrument. Failure to observe this can cause a severe accident.
• Do not use a measuring instrument without a
measurement category rating for measurements on
a mains circuit. Failure to observe this can cause a severe accident.
This instrument conforms to the safety requirements for CAT II 300 V, CAT III 150 V, CAT IV 100 V measuring instruments.
Measurement category II (CAT II)
Applicable to test and measuring circuits connected directly to utilization points (socket outlets and similar points) of the low­voltage mains installation. Example: Measurements on household appliances, portable tools,
and similar equipment, and on the consumer side only
of socket-outlets in the xed installation.
8
Safety Notes
Measurement category III (CAT III)
Applicable to test and measuring circuits connected to the distribution part of the building’s low-voltage mains installation. Example: Measurements on distribution boards (including
secondary meters), photovoltaic panels, circuit breakers, wiring, including cables, bus-bars, junction boxes,
switches, socket-outlets in the xed installation, and
equipment for industrial use and some other equipment such as stationary motors with permanent connection to
the xed installation.
Measurement category IV (CAT IV)
Applicable to test and measuring circuits connected at the source of the building’s low-voltage mains installation. Example: Measurements on devices installed before the main fuse
or circuit breaker in the building installation.
Distribution Panel
Service Entrance
Service Drop
CAT IV
Power Meter
Internal Wiring
CAT III
Fixed Installation
CAT II
T
Outlet
9

Usage Notes

Usage Notes
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 specications. Use of the instrument should conrm not only to its specications, but also to the specications of all accessories, options, batteries,
and other equipment in use.
Verifying before usage
DANGER
If the test lead or the instrument is damaged, there is a risk of an electric shock. Perform the following
inspection before use:
• Check that the insulation 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 an electric shock. Replace the test leads with those specied by Hioki.
• Check the instrument for any damage that may have
occurred during storage or shipping, and perform functional checks before use.
10
Use environment of the instrument
WARNING
Installing the instrument in inappropriate locations
may cause a malfunction of instrument or may give
rise to an accident. Avoid the following locations that
are:
• Exposed to direct sunlight or high temperatures
• Exposed to corrosive or combustible gases
• Exposed to strong electromagnetic elds or
electrostatic charges
• Near induction heating systems (such as high-
frequency 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 concentrations of dust particles
CAUTION
• Do not place the instrument on an unstable or uneven surface. Doing so could cause the instrument to fall or turn over, causing bodily injury or damage to the instrument.
• Do not place the instrument on an unstable or uneven surface. Doing so could cause the instrument to fall or turn over, causing bodily injury or damage to the instrument.
Usage Notes
11
Usage Notes
The protection rating for the enclosure of the instrument (based on EN60529) is IP65/67*.
CAUTION
Although the instrument has a dust-proof, jet-proof and waterproof structure, it is not for completely shutting out the water intrusion into the inside. Please note that it can be a cause of failure.
*IP65/IP67:
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.
6: Protected against access to hazardous parts with wire
measuring 1.0 mm in diameter. Dust-proof type (Dust shall not penetrate the enclosure.)
5: The equipment inside the enclosure is protected against
the harmful effects of water projected in jets against the enclosure from any direction.
7: Watertight (Quantities of water that may harm the enclosure
when it is temporarily immersed in water shall not penetrate the enclosure.)
For details on the operating temperature and humidity range, see
the specications. (p. 67)
12
Usage Notes
Handling the cables
CAUTION
To prevent cable damage, do not step on cables or pinch them between other objects. Do not bend or pull on cables at their base.
The ends of the L9787 Test Lead and L9840 Auxiliary Earthing Rod are sharp. Be careful to avoid injury.
IMPORTANT
Use only the specied auxiliary earthing rod, cables, and test leads. Using a non-specied cable may result in incorrect
measurements due to poor connection or other reasons.
Precautions during measurement
WARNING
If the instrument is used in locations where the rating indicated on the instrument or cords is exceeded, the
instrument may be damaged resulting in personal
injury. Do not use the instrument in such locations. See “Measurement categories” (p.8)
Precautions during shipment
Be sure to follow these precautions when transporting the instrument:
• Remove accessories and optional equipment from the instrument in order to avoid damage. Additionally, use the original packing materials, and be sure to double box the instrument. Accidental damage suffered in transit is not covered by the warranty.
• Attach a description of the issue when sending out your instrument for repair.
13
Usage Notes
14

Overview

1

1.1 Overview and Features

Overview

The grounding works applied to the distribution lines and electrical
facilities are essential for preventing electric shock and re as well
as for safeguarding the equipment. The instrument is an earth tester that is fully functional for measuring earth resistance for grounding works. It is capable of providing accurate and highly reliable measurement. The instrument can provide precision measurement (3-pole method)
and simplied measurement (2-pole method).

Features

High accuracy
Auto-range and
auto-check for
auxiliary earthing
electrode
High allowable
earth resistance for
auxiliary earthing
electrode
The accuracy of the 200.0
±1.5% rdg ±4 dgt.
The measurement is performed by simply pressing the MEASURE button. There is no need for cumbersome range-switching. In addition, the earth potential and auxiliary earthing electrode are automatically checked.
The resistance that the auxiliary earthing
electrode can tolerate is now about 10 times
higher than the conventional level. As a result, it can provide measurement under adverse conditions.
range is
Ω
15
Overview and Features
Dustproof,
jet-proof and
waterproof
Supplied with
winders
Drop-proof
(when equipped with
a protector)
The instrument can withstand water at a
depth of 1 m for 30 minutes.
The instrument is supplied with useful winders so that it can be easily prepared and packed up before/after measurement.
Its robust structure can withstand a drop from 1 m onto concrete surface.
16
Part Names and Functions

1.2 Part Names and Functions

Front
Cover of the measurement terminals (p. 48)
Protector
Removed when replacing the batteries or attaching
the Z3210. (p. 25, p. 28, p. 30)
Operation buttons
(p. 19)
Measurement terminals
E Connected with the black cable. S(P) Connected with the yellow cable. H(C) Connected with the red cable.
Display
(p. 22)
IMPORTANT
Please do not press the buttons of the instrument with a sharp object. It may damage the instrument.
17
Part Names and Functions
Rear and sides
Battery cover (side view)
Waterproof seal
It needs to be replaced when degraded. Please contact your authorized Hioki distributor or reseller.
Battery cover
Removed when replacing the
batteries or attaching the Z3210. (p. 28, p. 30)
Serial number
Please do not remove the label as it is needed for product control such as product warranty etc.
(The serial number consists of 9 digits. The rst two (from the left)
indicate the year of manufacture, and the next two indicate the month of manufacture.)
18
Operation buttons
Part Names and Functions
1
2
3
4
5
6
7
19
Part Names and Functions
1
2
3
4
5
6
MEASURE button
• Start/stop for measuring earth resistance
Fn button
• Displays the resistance of each earthing electrode.
(p. 45)
• Display switching (3-pole method, 2-pole method)
• DC/AC auto switching (when measuring earth potential)
• Wireless communications function on/off (Press and hold
for at least 1 s.)* (p. 63)
3P/2P button
• Switches between 3-pole method and 2-pole method.
• Releases the measured value when it is hold and displays the current earth potential value.
• Continuous measurement on/off (Press and hold for at least 1 s.)
Power button
• Power on/off
Live wire warning LED
• For 3-pole method Blinks under any of the following conditions:
• A voltage of 30 V or higher is applied between the S(P) and E terminals.
• A voltage of 85 V or higher is applied between the H(C) and E terminals.
• A voltage of 85 V or higher is applied between the H(C) and S(P) terminals.
• For 2-pole method
Blinks when a voltage of 30 V or higher is applied
between the H(C) and E terminals.
• Lights up during earth resistance measurements.
COMP button
• Sets/cancels comparator setting. (The COMP indicator
lights up/goes off.) (p. 37)
• Wireless communications function on/off (Press and hold
for at least 1 s.)* (p. 63)
20
0ΩADJ
7
*: With Z3210 installed
• Sets/cancels zero adjustment setting. (Press and hold
for at least 1 s.) (p. 40, p. 53)
Part Names and Functions
button
21
Part Names and Functions
Display
8
9
10
1 2
11
7 3 4
5
6
1
2
3
4
5
6
7
8
Comparator comparison result (PASS)
Comparator comparison result (FAIL)
Appears when DC/AC auto-detect setting is enabled for measuring earth potential.
Appears when continuous measurement function is enabled.
3-pole method (p. 38)
2-pole method (p. 51)
Zero adjustment (
COMP
Appears when comparator setting is enabled. (p. 36)
Indicates that the measured value i s being retained.
Appears when earth potential exceeds allowable range.
Indicates wireless communication function status* (p. 63)
Flashes: Communicating Lights up: Wireless function on Lights off: Wireless function off
p. 40, p. 54
)
22
Part Names and Functions
Indicates the battery level. (p. 27)
9
10
11
*: Optional Z3210 Wireless Adapter required separately
See p. 83 for error display.
Appears 30 s before auto-power-save function is activated.
APS
(p. 62)
Indicates where to connect a measurement cable or test lead.
Appears when the resistance of each (auxiliary) earthing
OPEN
electrode is high or a measurement cable is not connected.
Earth resistance of earthing electrode
Earth resistance of auxiliary earthing electrode S
Earth resistance of auxiliary earthing electrode H
Live wire warning indicator (Blinks during earth resistance measurements)
23
How to Use Carrying Case

1.3 How to Use Carrying Case

Please store the instrument, winder and other accessories/options
into the C0106 Carrying Case as shown in the gure below.
• Please do not store commercially available pegs in this carrying case as those have sharp tips. It may damage the case.
• Please do not wash the carrying case.
• Winder
• Auxiliary
Earthing Rod
24
Earth Tester
Please make sure to retract the winder knob before storing it in the carrying case.
Measurement cable (Black)
Instruction Manual
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