Hioki 3156 Manual de usuario

Printed on recycled paper Printed in Japan

Edited and published by Hioki E.E. Corporation

Technical Support Section

• All reasonable care has been taken in the production of this manual,

but if you find any points which are unclear or in error, please contact

your supplier or the International Sales and Marketing Department at

Hioki headquarters.

• In the interests of product development, the contents of this manual are

subject to revision without prior notice.

• The content of this manual is protected by copyright. No reproduction,

duplication or modification of the content is permitted without the

authorization of Hioki E.E. Corporation.

HEAD OFFICE

81 Koizumi, Ueda, Nagano 386-1192, Japan

TEL +81-268-28-0562 FAX +81-268-28-0568

E-mail: [email protected] URL http://www.hioki.com/

(International Sales and Marketing Department)

HIOKI USA CORPORATION

6 Corporate Drive, Cranbury, NJ 08512, USA

TEL +1-609-409-9109 FAX +1-609-409-9108

Instruction Manual

3156

LEAK CURRENT

August 2009 Revised edition 10 3156A981-10 09-08H

HiTESTER

Contents

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

Standard Accessories ................................................................1

Safety Notes...............................................................................2

Usage Notes...............................................................................5

Chapter 1 Overview _________________________ 9

1.1 Instrument Overview .....................................................9

1.2 Features ......................................................................10

1.3 About Leakage Current Measurement ........................11

1.3.1 What is Leakage Current? .............................................11

1.3.2 Leakage Current Measurement Complying

with Standards ..............................................................11

1.3.3 Types of Leakage Current Measurement ......................13

1.4 Measurement Flowchart..............................................20

Chapter 2 Parts Names______________________ 21

2.1 External Dimensions ...................................................21

2.2 Instrument Labels and Functions ................................22

2.3 About the Touch Panel................................................26

Chapter 3 Measurement Preparations _________ 27

3.1 Connecting the Power Cord ........................................27

3.2 Connecting the 9170-10 TEST LEAD .........................29

3.2.1 Using the 9195 ENCLOSURE PROBE .........................30

3.2.2 Using Alligator Clips ......................................................30

3.3 Turning Power On .......................................................31

3.4 Turning Power Off .......................................................33

3.5 Turning the Circuit Breaker ON and OFF....................34

3.6 Pre-Test Inspection .....................................................35

Chapter 4 Connection_______________________ 37

4.1 Using the Terminal Block ............................................38

4.2 Earth Leakage Current Measurement.........................39

4.3 Enclosure Leakage Current Measurement .................40

4.3.1 Measuring Leakage Current

between Enclosure and Earth .......................................40

4.3.2 Measuring Leakage Current

between Enclosure and Enclosure ................................42

Contents

4.3.3 Measuring Leakage Current

between Enclosure and Line ........................................ 44

4.4 Patient Leakage Current I Measurement.................... 46

4.5 Patient Leakage Current II Measurement................... 47

4.6 Patient Leakage Current III Measurement.................. 48

4.7 Patient Auxiliary Current Measurement...................... 49

Chapter 5 Measurement Method ______________ 51

5.1 Selecting a Network.................................................... 51

5.2 Selecting the Grounding Class of

Equipment Under Test .......................................... 52

5.2.1 Registering an Equipment Name/Control Number ....... 53

5.3 Selecting a Measurement Mode................................. 54

5.4 Setting Measurement Items........................................ 56

5.4.1 Performing Zero Adjustment ......................................... 58

5.4.2 Setting the Allowable Value .......................................... 60

5.4.3 Setting the Filter ............................................................ 62

5.4.4 Selecting the Type of Target Current ............................ 64

5.4.5 Setting the Measurement Range (Auto/Hold) ............... 66

5.4.6 Changing the Measurement Method

(Auto/Manual) ............................................................... 71

5.4.7 Manual Measurement ................................................... 71

5.4.8 Automatic Measurement ............................................... 72

5.4.9 Printing Measurement Data .......................................... 77

5.4.10 Saving Measurement Data ........................................... 78

5.4.11 Saving Measurement Conditions (Panel Save Function) 79

Chapter 6 System Screen ____________________83

6.1 Initializing the Instrument............................................ 84

6.2 Setting Date and Time................................................ 86

6.3 Setting the Beep Sound.............................................. 87

6.4 Self-Test ..................................................................... 88

6.5 Setting the Backlight................................................... 90

6.6 Setting the Display Language..................................... 91

6.7 Selecting an Interface................................................. 92

6.8 Checking the Power Line for Equipment Under Test . 94

6.8.1 About the NG Indication ................................................ 95

6.9 Setting the Mode ........................................................ 97

6.10 Checking Saved Measurement Data.......................... 99

6.10.1 Deleting Saved Data ................................................... 100

6.10.2 Printing Saved Data (with 9442 PRINTER connected) 101

iii

Contents

6.10.3 Displaying All Measurement Reference

Information for Selected Mode ....................................102

6.10.4 Changing the Data Unit Mode .....................................103

6.11 Loading Saved Measurement Conditions .................104

Chapter 7 GP-IB/RS-232C Interface___________ 105

7.1 Overview and Features .............................................105

7.2 Specifications ............................................................106

7.2.1 Specifications of RS-232C ..........................................106

7.2.2 Specifications of GP-IB ...............................................107

7.3 Connection and Setting.............................................108

7.3.1 Attaching the Connector.............................................. 108

7.3.2 Communication Conditions .........................................109

7.3.3 Screen Display ............................................................110

7.4 Communication Methods ..........................................111

7.4.1 Message Format .........................................................111

7.4.2 Output Queue and Input Buffer ...................................116

7.4.3 Status Byte Register ..................................................117

7.4.4 Event Registers ...........................................................119

7.4.5 Initialization Items ........................................................122

7.5 Message Reference ..................................................123

7.5.1 Common Messages ....................................................123

7.5.2 Messages Specific to the 3156 ...................................124

7.6 Message Reference ..................................................129

7.6.1 Message Reference ....................................................130

7.6.2 Messages Specific to the 3156 ...................................135

7.7 Loading All Saved Data.............................................191

7.8 Troubleshooting ........................................................192

7.9 Device Compliance Statement..................................193

Chapter 8 EXT I/O Terminal _________________ 197

8.1 Description of Signals ...............................................198

8.2 Connecting to the EXT I/O Terminal .........................199

8.3 Electrical Specifications ............................................202

8.4 Internal Circuit Configuration.....................................203

8.5 Timing Chart..............................................................204

8.5.1 Panel load function at EXT I/O start ............................206

8.5.2 Zero Adjustment Function by External I/O ..................207

8.6 Example of Output Signal Connection ......................208

Contents

Chapter 9 Using the Printer _________________ 209

9.1 Preparation before Connection................................. 209

9.2 Connection Method .................................................. 212

Chapter 10 Specifications __________________215

10.1 Measurement Functions ........................................... 215

10.2 Measurement System .............................................. 216

10.3 Other Functions ........................................................ 217

10.4 System-related Functions......................................... 219

10.5 Accuracy................................................................... 220

10.5.1 Current Measurement Section .................................... 220

10.5.2 Network Section .......................................................... 222

10.6 Interfaces.................................................................. 223

10.7 Printer ....................................................................... 224

10.8 General Specifications.............................................. 225

10.9 Measurement Networks............................................ 227

10.9.1 Network A (for Electrical Appliance and Material

Safety Law) ................................................................. 227

10.9.2 Network B (for medical electrical equipment) ............. 228

10.9.3 Network C (for IEC 60990) ......................................... 229

10.9.4 Network D (for UL) ...................................................... 231

10.9.5 Network E (General-purpose 1) .................................. 232

10.9.6 Network F (General-purpose 2) .................................. 232

Chapter 11 Maintenance and Service _________ 233

11.1 Cleaning and Storage............................................... 233

11.2 Repair and Servicing ................................................ 234

11.3 Replacing Fuses....................................................... 236

11.4 Instrument Disposal.................................................. 238

Appendix ________________________________239

Introduction

Thank you for purchasing the HIOKI “3156 LEAK CURRENT HiT-

ESTER”. To obtain maximum performance from the instrument, please

read this manual first, and keep it handy for future reference.

Standard Accessories

Checking the contents of the package

When you receive the instrument, 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.

Before using the 3156

• Before using the instrument the first time, verify that it operates normally to

ensure that the no damage occurred during storage or shipping. If you find

any damage, contact your dealer or Hioki representative.

• Before using the instrument, make sure that the insulation on the test leads

is undamaged and that no bare conductors are improperly exposed. Using

the instrument under such conditions could result in electrocution. Replace

the test leads with the specified Hioki Model 9170-10.

Shipping precautions

Use the original packing materials when reshipping the instrument, if

possible.

3156 LEAK CURRENT HiTESTER (1)

Instruction manual (1)

Power cord (2) 9170-10 TEST LEAD (2sets)

(2 red, 2 black, 1 spare included)

9195 ENCLOSURE PROBE (1) Alligator clips (3)

(2 red, 1 black)

Spare fuse for measurement

operation 250V T32mAL (1) 9399 CARRYING

CASE (1)

Spare fuse for main instrument

power supply 250V T0.1AL (1)

Safety Notes

This manual contains information and warnings essential for safe

operation of the instrument and for maintaining it in safe operating

condition. Before using the instrument, 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.

This instrument 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 instrument. However, using

the instrument 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 dis-

claim any responsibility for accidents or injuries not resulting

directly from instrument defects.

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 man-

ual (marked with the symbol) before using the relevant

function.

Indicates a fuse.

Indicates a grounding terminal.

Indicates AC (Alternating Current).

Indicates the ON side of the power switch.

Indicates the OFF side of the power switch.

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.

Advisory items related to performance or correct opera-

tion of the instrument.

Safety Notes

Other Symbols

Accuracy

We define measurement tolerances in terms of f.s. (full scale), rdg.

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

f.s. (maximum display value or scale length)

The maximum displayable value or the full length of the scale.

This is usually the maximum value of the currently selected range.

rdg. (reading or displayed value)

The value currently being measured and indicated on the measuring

instrument.

dgt. (resolution)

The smallest displayable unit on a digital measuring instrument, i.e.,

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

Indicates the prohibited action.

❖Indicates the reference.

Indicates descriptions relating to the GP-IB only.

Indicates descriptions relating to the RS-232C only.

Safety Notes

Measurement categories (Overvoltage categories)

This instrument complies with CAT II (300 V) safety requirements.

To ensure safe operation of measurement instruments, IEC 61010

establishes safety standards for various electrical environments, cate-

gorized as CAT I to CAT IV, and called measurement categories.

These are defined as follows.

Higher-numbered categories correspond to electrical environments

with greater momentary energy. So a measurement device designed

for CAT III environments can endure greater momentary energy than a

device designed for CAT II.

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.

Never use a CAT I measuring instrumentin CAT II, III, or IV environ-

ments.

The measurement categories comply with the Overvoltage Categories

of the IEC60664 Standards.

CAT I Secondary electrical circuits connected to an AC

electrical outlet through a transformer or similar device.

CAT II Primary electrical circuits in equipment connected to an

AC electrical outlet by a power cord (portable tools,

household appliances, etc.)

CAT III Primary electrical circuits of heavy equipment (fixed

installations) connected directly to the distribution

panel, and feeders from the distribution panel to out-

lets.

CAT IV The circuit from the service drop to the service

entrance, and to the power meter and primary overcur-

rent protection device (distribution panel).

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