Hioki 3157 Manual de usuario

INSTRUCTION MANUAL

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3157

3157-01

品名を入力。

AC GROUNDING

HiTESTER

August 2012 Revised edition 16 3157A981-16 12-08H

99 Washington Street

Melrose, MA 02176

Phone 781-665-1400

Toll Free 1-800-517-8431

Visit us at www.TestEquipmentDepot.com

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

2.9 Pre-operation Inspection 17

Chapter 3 Testing Method 19

3.1 Procedural Flow for Testing and Setting Parameters 20

3.2 Making Testing Arrangements (in READY State) 22

3.2.1 Setting Output Current Values 23

3.2.2 Setting the Maximum (Minimum) Test Value 23

3.2.3 Setting the Testing Time 24

3.2.4 Setting the Output Current Frequency

(in READY State) 25

3.2.5 Setting the Test Data Count (in READY State) 25

3.3 Initial Settings for Optional Functions 26

3.4 Zero Adjustment Function 27

3.5 Key-lock Function 28

3.6 Examples of Settings 29

3.7 Starting a Test 31

3.8 Testing (in TEST State) 34

3.9 Screening (in PASS State) 35

3.10 Screening (in FAIL State) 36

Chapter 4 Optional Functions 37

4.1 Switching the Output Current Frequency 40

4.2 PASS/FAIL Hold Function 41

4.3 HOLD Function 42

4.4 Setting the Minimum Test Value 44

4.5 Endless Timer Function 45

4.6 Test Data Count Function 46

4.7 Buzzer Setting 47

4.8 Changing the Current Value in TEST State 48

4.9 Momentary OUT 49

4.9.1 Trigger Operation with Switching Probe 50

4.9.2 Momentary OUT Operation with Switching Probe 52

4.10 Setting the Test Mode 55

4.10.1 Soft Start Mode 55

4.10.2 Normal Mode 57

4.10.3 Continuous Test Mode 58

4.11 Printer Output 60

4.12 Example of Optional Function Settings 62

4.13 Example of Optional Functions Use 64

Chapter 5 Saving/loading Preset Values 67

5.1 Saving Preset Values 67

5.1.1 Procedure for Saving Data 68

5.1.2 Example of Saving 69

5.2 Loading Preset Values 71

5.2.1 Procedure for Loading Data 72

5.2.2 Example of Loading 73

Chapter 6 External I/O 75

6.1 Signal Line 76

6.2 Timing Chart of External I/O Terminal 80

Chapter 7 Maintenance, Inspection and Ultimate Disposal 83

7.1 Maintenance and Inspection 83

7.2 Fuse Replacement 84

7.3 Troubleshooting 85

7.4 Displaying Errors 85

7.5 Resetting the System 86

7.6 Ultimate Disposal (Removal of the Lithium Battery) 87

7.7 External Dimensions 88

Chapter 8 Specifications 89

8.1 Basic Specifications 89

8.2 General Specifications 91

Appendix APPENDIX1

Appendix 1 Options APPENDIX1

Appendix 1.1 9442 PRINTER APPENDIX1

Appendix 1.2 Probe APPENDIX2

Appendix 1.3 9613 REMOTE CONTROL BOX (SINGLE) APPENDIX2

Appendix 1.4 9614 REMOTE CONTROL BOX (DUAL) APPENDIX3

Appendix 1.5 Interface Board APPENDIX3

Appendix 2 Table of Optional Functions APPENDIX4

Appendix 3 Standards APPENDIX5

Index INDEX 1

────────────────────────────────────────────────────

Introduction

────────────────────────────────────────────────────

NOTE

Introduction

Inspection

Thank you for purchasing the HIOKI "3157 AC GROUNDING HiTESTER". To

obtain maximum performance from the product, please read this manual first, and

keep it handy for future reference.

When you receive the product, inspect it carefully to ensure that no damage

occurred during shipping. In particular, check the accessories,and connectors. If

damage is evident, or if it 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

Use the original packing materials when reshipping the product, if possible.

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.

────────────────────────────────────────────────────

Safety Notes

────────────────────────────────────────────────────

･The symbol printed on the product indicates that the user

should refer to a corresponding topic in the manual (marked with

the symbol) before using the relevant function.

･In the manual, the symbol indicates particularly important

information that the user should read before using the product.

Indicates a fuse.

Indicates AC (Alternating Current).

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

Indicates the ON side of the power switch.

Indicates the OFF side of the power switch.

DANGER Indicates that incorrect operation presents an extreme hazard that

could result in serious injury or death to the user.

WARNING Indicates that incorrect operation presents a significant hazard that

could result in serious injury or death to the user.

CAUTION

Indicates that incorrect operation presents a possibility of injury to

the user or damage to the product.

NOTE Advisory items related to performance or correct operation of the

product.

Safety Notes

DANGER This product is designed to comply with IEC 61010 Safety Standards,

and has been thoroughly tested for safety prior to shipment. However,

mishandling during use could result in injury or death, as well as

damage to the product. Using the product in a way not described in

this manual may negate the provided safety features.

Be certain that you understand the instructions and precautions in the

manual before use. We disclaim any responsibility for accidents or

injuries not resulting directly from product defects.

This manual contains information and warnings essential for safe operation of the

product and for maintaining it in safe operating condition. Before using the product,

be sure to carefully read the following safety notes.

Safety symbols

The following symbols in this manual indicate the relative importance of cautions

and warnings.

iii

────────────────────────────────────────────────────

Safety Notes

────────────────────────────────────────────────────

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).

We define measurement tolerances in terms of rdg. (reading) and dgt. (digit) values,

with the following meanings:

rdg. (displayed or indicated value)

The value currently being measured and indicated on the measuring product.

dgt. (resolution)

The smallest displayable unit on a digital measuring product, i.e., the input value

that causes the digital display to show a "1".

Measurement categories

To ensure safe operation of measurement product, IEC 61010 establishes safety

standards for various electrical environments, categorized as CAT II to CAT IV, and

called measurement categories.

Using a measurement product in an environment designated with a higher-numbered

category than that for which the product 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.

────────────────────────────────────────────────────

Notes on Use

────────────────────────────────────────────────────

WARNING Before turning the product on, make sure the source voltage

matches that indicated on the product's power connector.

Connection to an improper supply voltage may damage the product

and present an electrical hazard.

To avoid electrical accidents and to maintain the safety specifications

of this instrument, connect the power cord provided only to a 3-

contact (two-conductor + ground) outlet.

To avoid electric shock, do not remove the cover panel. The internal

components of the product carry high voltages and may become very

hot during operation.

To avoid electric shock, do not allow the product to get wet, and do

not use it when your hands are wet.

Replace the fuse only with one of the specified characteristics and

voltage and current ratings. Using a non-specified fuse or shorting

the fuse holder may cause a life-threatening hazard.

(Fuse type: 250 V T3.15 AL)

To avoid electric shock when measuring live lines, wear appropriate

protective gear, such as insulated rubber gloves, boots and a safety

helmet.

Notes on Use

Follow these precautions to ensure safe operation and to obtain the full benefits of

the various functions.

────────────────────────────────────────────────────

Notes on Use

────────────────────────────────────────────────────

CAUTION ･Before using the product, make sure that the insulation on the

probes(9296 or 9297) is undamaged and that no bare conductors are

improperly exposed. Using the product in such conditions could cause an

electric shock, so contact your dealer or Hioki representative for repair.

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

measurement.

･This product should be installed and operated indoors only, between 0

and 40 and 90%RH max.

･Do not store or use the product where it could be exposed to direct

sunlight, high temperature or humidity, or condensation. Under such

conditions, the product may be damaged and insulation may deteriorate

so that it no longer meets specifications.

･To avoid electrocution, turn off the power to all devices before plugging or

unplugging any of the interface connectors.

･To avoid damaging the output cable, grasp the connector, not the cable,

when unplugging the cable from the product.

･To avoid damaging probes (especially where the leads connect to the

probes), do not kink or pull on the leads.

･Keep in mind that, in some cases, conductors to be measured may be

hot.

･Avoid obstructing the ventilation holes on the sides of the 3157, as it could

overheat and be damaged, or cause a fire.

･To avoid damage to the product, protect it from vibration or shock during

transport and handling, and be especially careful to avoid dropping.

･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 product near a device that generates a strong electromagnetic field

or electrostatic charge, as these may cause erroneous measurements.

･This product may cause interference if used in residential areas. Such use

must be avoided unless the user takes special measures to reduce

electromagnetic emissions to prevent interference to the reception of radio

and television broadcasts.

────────────────────────────────────────────────────

Contents and Indications of this 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.

Appendix:

Covers the options of the unit and standards.

Indications in the Instruction Manual

Indicates that settings can be made for optional functions.For more information, see

Chapter 4, "Optional Functions."

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.

────────────────────────────────────────────────────

1.1 Product Introduction

────────────────────────────────────────────────────

Chapter 1

Overview

1.1 Product Introduction

The HIOKI "3157 AC GROUNDING HiTESTER" is designed for protection circuit

testing of a wide range of electrical equipment, including industrial machinery,

medical equipment, and measuring instruments.

Using a constant current system, the HIOKI 3157 provides stable output current.

The unit is capable of accurate four-terminal measurement. The comparator

function, timer function, and screening function permit simple testing, conforming

to technical standards and regulations.

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