Hioki 3157 User manual

Contents

Introduction i

Inspection i

Safety Notes ii

Notes on Use iv

Contents and Indications of this Manual vi

Chapter 1 Overview 1

1.1 Product Introduction 1

1.2 Features of the 3157 2

1.3 Names and Functions of Parts 3

Chapter 2 Testing Arrangements 9

2.1 Power Cord Connection 9

2.2 Powering on and off the Unit 10

2.3 Probe Connection 11

2.4 Short Bar Connection 12

2.5 Connecting the REMOTE CONTROL BOX 13

2.6 Installation Site and Position 14

2.7 Connection to the Measured Object 15

2.8 Connection to the 3155 LEAK CURRENT HiTESTER 16

Chapter 3 Testing Method 17

3.1 Procedural Flow for Testing and Setting Parameters 18

3.2 Making Testing Arrangements (in READY State) 20

3.2.1 Setting Output Current Values 21

3.2.2 Setting the Maximum (Minimum) Test Value 21

3.2.3 Setting the Testing Time 22

3.2.4 Setting the Output Current Frequency (in READY State) 23

3.2.5 Setting the Test Data Count (in READY State) 23

3.3 Initial Settings for Optional Functions 24

3.4 Zero Adjustment Function 25

3.5 Key-lock Function 26

3.6 Examples of Settings 27

3.7 Starting a Test 29

3.8 Testing (in TEST State) 31

3.9 Screening (in PASS State) 32

3.10 Screening (in FAIL State) 33

Chapter 4 Optional Functions 35

4.1 Switching the Output Current Frequency 38

4.2 PASS/FAIL Hold Function 39

4.3 HOLD Function 40

4.4 Setting the Minimum Test Value 42

4.5 Endless Timer Function 43

4.6 Test Data Count Function 44

4.7 Buzzer Setting 45

4.8 Changing the Current Value in TEST State 46

4.9 Momentary OUT 47

4.9.1 Trigger Operation with Switching Probe 48

4.9.2 Momentary OUT Operation with Switching Probe 50

4.10 Setting the Test Mode 53

4.10.1 Soft Start Mode 53

4.10.2 Normal Mode 55

4.10.3 Continuous Test Mode 56

4.11 Printer Output 58

4.12 Example of Optional Function Settings 60

4.13 Example of Optional Functions Use 62

Chapter 5 Saving/loading Preset Values 65

5.1 Saving Preset Values 65

5.1.1 Procedure for Saving Data 66

5.1.2 Example of Saving 67

5.2 Loading Preset Values 69

5.2.1 Procedure for Loading Data 70

5.2.2 Example of Loading 71

Chapter 6 External I/O 73

6.1 Signal Line 74

6.2 Timing Chart of External I/O Terminal 77

Chapter 7 Maintenance, Inspection and Ultimate

Disposal 79

7.1 Maintenance and Inspection 79

7.2 Fuse Replacement 80

7.3 Troubleshooting 81

7.4 Displaying Errors 81

7.5 Resetting the System 82

7.6 Ultimate Disposal (Removal of the Lithium Battery) 83

7.7 External Dimensions 84

Chapter 8 Specifications 85

8.1 Basic Specifications 85

8.2 General Specifications 87

Chapter 9 Appendix 89

9.1 Options 89

9.1.1 9442 PRINTER 89

9.1.2 Probe 90

9.1.3 9613 REMOTE CONTROL BOX (SINGLE) 90

9.1.4 9614 REMOTE CONTROL BOX (DUAL) 91

9.1.5 Interface Board 91

9.2 Table of Optional Functions 92

9.3 Standards 93

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Introduction

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NOTE

Introduction

Inspection

Thank you for purchasing this HIOKI "3157 AC GROUNDING HiTESTER."

To get the maximum performance from the unit, please read this manual first,

and keep this at hand.

When the unit is delivered, check and make sure that it has not been

damaged in transit. In particular, check the accessories and connectors.

If the unit is damaged, or fails to operate according to the specifications,

contact your dealer or HIOKI representative.

Checking the main unit and accessories

Main unit

"3157 AC GROUNDING HiTESTER"

Accessories

Verify that the following standard accessories are complete.

(1) Instruction Manual

(2) Spare fuse (built into the power inlet)

(3) Grounded three-core power cord

(4) Short bar (installed between the SOURCE and SENSE terminals) ×2

The 9296 CURRENT PROBE and 9297 CURRENT APPLY PROBE are not

included. Please purchase separately according to your needs.

Shipment of the unit

If reshipping the unit, preferably use the original packing.

Warranty

HIOKI cannot be responsible for losses caused either directly or indirectly by

the use of the 3157 with other equipment, or if ownership is transferred to a

third party.

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Safety Notes

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DANGER This equipment is designed according to IEC 61010-1 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.

・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 fuse.

Indicates AC (Alternating Current).

Indicates both DC (Direct Current) and AC (Alternating Current).

Safety 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.

Safety symbols

iii

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Safety Notes

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DANGER 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.

NOTE Denotes items of advice related to performance of the equipment or

to its correct operation.

The following symbols are used in this Instruction Manual to indicate the

relative importance of cautions and warnings.

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Notes on Use

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WARNING Before turning on the power, make sure that the voltage of the power

supply being used matches the supply voltage indicated on the rear

panel of the unit.

If an attempt is made to use an improper supply voltage, there is danger

of damage to this unit and of life-threatening risk to the operator.

The unit is constructed so as to be connected to a ground line via a

three-core power cord that is supplied with the unit. In order to avoid

electric shock, connect the unit to a properly grounded (3-pin) outlet

using the power cord provided.

The interior of the unit contains some components which are subject to

high voltage, and therefore dangerous. Absolutely do not remove the

cover panel.

To prevent electric shock, do not allow the unit to become wet and do

not use the unit when your hands are wet.

The unit should always be operated indoors in a range from 0℃to 40℃

and 30% to 90% RH. Do not use the unit in direct sunlight, dusty

conditions, or in the presence of corrosive gases.

Only use fuses of the specified type that is rated for the specified

current and voltage. Using a fuse that does not meet the specifications

or shorting the fuse holder may cause an accident that might result in

injury or death. (Specified fuse: 250 V T3.15 AL)

Notes on Use

In order to ensure safe operation and to obtain maximum performance from

the unit, observe the cautions listed below.

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Notes on Use

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CAUTION ・Before using the unit, make sure that the sheathing on the probes (9296 or

9297) is not damaged and that no bare wire is exposed. If there is damage,

using the unit could cause electric shock. Contact your dealer or HIOKI

representative.

・In order to avoid electric shock, turn off the power to all devices before

plugging in or unplugging the measurement network or RS-232C connector.

・When unplugging the power cord from the power receptacle or from the unit,

grasp the plug, not the cord, in order to avoid damaging the cable.

・To avoid damaging the probes, do not bend or pull the probes.

・Use caution when taking measurements in circuits where the power lines are

hot.

・Take care not to block the ventilation openings on the sides of the unit.

・For safety reasons, only use the optional 9296 or 9297 probe for

measurement.

・To avoid damage to the unit, do not subject the equipment to vibrations or

shocks during transport or handling. Be especially careful to avoid dropping

the equipment.

・Do not insert a board other than optional interface boards into the Interface

slot. The unit software or calibration data may be lost.

・In the event that the equipment malfunctions in any manner during use, turn

off the power immediately, and contact your dealer or HIOKI representative.

NOTE Do not use the unit near any device which generates strong electromagnetic

radiation or near a static electrical charge, as these may cause errors.

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Contents and Indications of this Manual

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Indicates that settings can be made for optional functions.

For more information, see Chapter 4, "Optional Function."

In this Instruction Manual, the flashing area of the screen is

represented in reverse mode.

In this figure, for example, the current value of 25.0 A flashes.

Indications in the Instruction Manual

Contents and Indications of this Manual

Chapter 1: Overview

Describes an overview, features, and the names and functions of

the parts of the unit.

Chapter 2: Testing Arrangements

Describes particulars of testing arrangements.

Chapter 3: Testing Method

Describes procedures for setting, testing, and test results

judgement.

Chapter 4: Optional Functions

Describes procedures for setting optional functions.

Chapter 5: Saving/loading Preset Values

Describes procedure for saving and loading test values.

Chapter 6: External I/O

Describes use of the external I/O.

Chapter 7: Maintenance, Inspection and Ultimate Disposal

Covers the maintenance and inspection, fuse replacement, and

ultimate disposal.

Chapter 8: Specifications

Contains the unit specifications such as the general specifications,

measurement accuracy, etc. of the unit.

Chapter 9: Appendix

Covers the options of the unit and standards.

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