Hioki 3455 User manual

HIGH VOLTAGE

INSTRUCTION MANUAL

3455

INSULATION HiTESTER

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Contents

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

Verifying Package Contents / Open the case ..1

Safety Information ...........................................5

Operating Precautions .....................................8

1 Overview 13

1.1 Product Overview .................................13

1.2 Features ...............................................15

1.3 Measurement Overview .......................17

1.4 Names and Functions of Parts .............24

1.5 Screen Setup .......................................28

2 Measurement Preparations 31

2.1 Supplying Power ..................................31

2.1.1 Installing or Replacing the Battery ......31

2.1.2 Installing the Battery Pack

(Rechargeable nickel-hydrogen battery) 34

2.1.3 Connecting the AC Adapter ................39

2.1.4 Charging the Battery Pack .................41

2.2 Turning Power On and Off ...................44

2.2.1 Auto Power Off ...................................45

2.3 Setting and Checking Date and Time ..46

2.3.1 Setting Date and Time ........................46

2.3.2 Checking Date and Time ....................49

2.4 Connecting Test Lead ..........................50

2.5 Connecting Temperature Sensor .........52

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3 Measurement 53

3.1 Pre-Operation Inspection .....................53

3.2 Measuring Insulation Resistance .........56

3.2.1 Starting Measurement .........................58

3.2.2 Ending Measurement ..........................64

3.2.3 Checking and Deleting Held Data .......66

3.2.4 Automatic Discharge Function ............67

3.2.5 Switching to Leakage Current Indication 68

3.2.6 Insulation Resistance Measurement

Basis ...................................................69

3.2.7 Use of GUARD Terminal .....................71

3.3 Measuring Voltage ...............................73

3.4 Measuring Temperature .......................76

3.4.1 Measurement Procedure ....................76

4 Advanced Measurement 79

4.1 Using Timer ..........................................79

4.1.1 Setting Timer/Conducting Insulation

Resistance Measurement ...................79

4.2 Displaying PI and DAR .........................83

4.3 Temperature Correction (TC) ...............87

4.3.1 Performing Temperature Correction ...88

4.3.2 Exiting Temperature Correction Mode 92

4.4 Step Voltage Test .................................93

4.4.1 Setting and Conducting a Step Voltage

Test .....................................................94

4.4.2 Viewing Detailed Data of Each Step after

Step Voltage Test ...............................97

4.4.3 Exiting Step Voltage Test Mode ..........99

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iii

5 Recording Measurement Data

(Memory Function) 101

5.1 Recording Measurement Data ...........103

5.1.1 Manual Recording (Recording result

of one measurement session) ..........103

5.1.2 Logging Recording (Recording at

regular intervals) ...............................106

5.2 Checking Recorded Data ...................115

5.3 Deleting Recorded Data .....................120

5.3.1 Deleting Data of Chosen No. ............120

5.3.2 Deleting all Data ...............................121

6 Other Functions 123

6.1 Changing and Checking Interval Setting

for PI Calculation ................................123

6.1.1 Changing Interval Setting .................123

6.1.2 Checking Interval Setting .................125

6.2 Changing and Checking Voltage

Application Time for Step Voltage Test .126

6.2.1 Changing Time Setting .....................126

6.2.2 Checking Time Setting .....................128

6.3 Entering Temperature and Humidity

Measured with External Thermometer

and Hygrometer .................................129

6.3.1 Entering and Saving .........................130

6.3.2 Clearing Indications of Temperature

and Humidity Stored Data ................133

6.4 Communicating with PC .....................134

6.4.1 Installing Data Analysis Software for

3455 .................................................135

6.4.2 Installing Driver .................................136

6.4.3 Downloading Data to Save to PC/

Setting up Tester on PC ...................145

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7 Specifications 147

7.1 General Specifications .......................147

7.2 Measurement Specifications ..............152

7.2.1 Insulation Resistance Measurement .152

7.2.2 Leakage Current Measurement ........155

7.2.3 Voltage Measurement .......................156

7.2.4 Temperature Measurement ..............157

8 Maintenance and Service 159

8.1 Troubleshooting .................................160

8.2 Cleaning .............................................162

8.3 Error Display ......................................162

8.4 Performing System Reset ..................165

8.5 Discarding the Instrument ..................166

Appendix 169

Appendix 1 Test Voltage Characteristic

Graph ......................................169

Appendix 2 Example of Insulation Resistance

Criteria .....................................170

Appendix 3 Example of PI Criteria

(Polarization Index) .................170

Appendix 4 Temperature Correction Table 171

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Introduction

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Introduction

Thank you for purchasing the HIOKI “Model

3455 HIGH VOLTAGE INSULATION HiT-

ESTER” To obtain maximum performance

from the instrument, please read this man-

ual first, and keep it handy for future refer-

ence.

• Windows and Internet Explorer are regis-

tered trademark of Microsoft Corporation in

the United States and/or other countries.

• Adobe and Adobe Reader are registered

trademark of Adobe Systems Incorporated.

Verifying Package Contents / Open

the case

When you receive the instrument, inspect it

carefully to ensure that no damage

occurred during shipping. In particular,

check the accessories, panel switches, and

connectors. If damage is evident, or if it fails

to operate according to the specifications,

contact your dealer or Hioki representative.

Open the case by releasing the two latches.

(See next page.)

Registered trade mark

Open the case

Appearance of Case

Cover

Latches

Handle

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Verifying Package Contents / Open the case

Procedure

1. Draw the latch outwards with your fin-

ger.

2. While raising the entire latch, place a

finger on the top of the latch and pull

it out.

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Verifying Package Contents / Open the case

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Main Unit

Accessories

3455 HIGH VOLTAGE INSULATION HiTESTER 1

9750-01,-02,-03 TEST LEAD (Red, Black, Blue)

Lead length Approx. 3 m 1 each

LR6 alkaline battery 6Instruction Manual

(This book) 1

USB Cable 1

9751-01,-02,-03 ALLIGATOR CLIP(Red, Black, Blue)

1 each

CD-R (Data Analysis

Software for 3455) 1

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Verifying Package Contents / Open the case

Options

9750-11,-12,-13 TEST LEAD

(Red, Black, Blue Lead length Approx. 10 m)

The specifications for the 9750-11 and

9750-12 models differ from the standard

specifications in regards to temperature

characteristics.

❖See 7.2"Measurement Specifications" (page

152).

9631-01,-05 TEMPERATURE SENSOR

Used for temperature measurement.

9631-01: Lead length Approx. 1 m

9631-05: Lead length Approx. 6 cm

9459 BATTERY PACK

(Rechargeable nickel-hydrogen battery)

The 9753 AC ADAPTER is required for

charging.

9753 AC ADAPTER

Input : 100 to 240 VAC

Output: 12 VDC 3.33 A

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Safety Information

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Safety Information

Safety Symbols

This manual contains information and warn-

ings essential for safe operation of the

instrument and for maintaining it in safe

operating condition. Before using it, be sure

to carefully read the following safety pre-

cautions.

The following symbols in this manual indi-

cate the relative importance of cautions and

warnings.

This instruments 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. 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

instrument defects.

In the manual, the symbol indicates particularly impor-

tant 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 manual

(marked with the symbol) before using the relevant func-

tion.

Indicates that dangerous voltage may be present at this ter-

minal.

Indicates a double-insulated device.

Indicates DC (Direct Current).

Indicates AC (Alternating Current).

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