Hioki 3455 User manual

3455
HIGH VOLTAGE
INSULATION HiTESTER
Instruction Manual
February 2013 Revised edition 10 3455A981-10 13-02H

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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
3 Measurement 53
3.1 Pre-Operation Inspection .....................53
3.2 Measuring Insulation Resistance .........56

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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
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

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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 ChangingandCheckingVoltageApplication
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 ...................137
7 Specifications 139
7.1 General Specifications .......................139
7.2 Measurement Specifications ..............144
7.2.1 Insulation Resistance Measurement 144
7.2.2 Leakage Current Measurement ........147
7.2.3 Voltage Measurement ......................148
7.2.4 Temperature Measurement ..............149

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7.3 9750-01, -02,- 03, -11, -12, -13
TEST LEADs and 9751-01, -02, -03
ALLIGATOR CLIPs Specifications .....150
8 Maintenance and Service 151
8.1 Troubleshooting .................................152
8.2 Cleaning .............................................154
8.3 Error Display ......................................154
8.4 Performing System Reset ..................156
8.5 Discarding the Instrument ..................157
Appendix 161
Appendix 1Test Voltage Characteristic
Graph .................................................161
Appendix 2Example of Insulation Resistance
Criteria ................................................162
Appendix 3Example of PI Criteria
(Polarization Index) ............................162
Appendix 4Temperature Correction Table ...163

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.
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or other countries.
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

Verifying Package Contents / Open the case
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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.

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

Verifying Package Contents / Open the case
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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
144).
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