GW Instek GCT-9040 User manual

Ground Bond Tester
GCT-9040
USER MANUAL
GW INSTEK PART NO. 82CT-90400E01
ISO-9001 CERTIFIED MANUFACTURER

This manual contains proprietary information, which is protected by
copyright. All rights are reserved. No part of this manual may be
photocopied, reproduced or translated to another language without
prior written consent of Good Will company.
The information in this manual was correct at the time of printing.
However, Good Will continues to improve products and reserves the
rights to change specification, equipment, and maintenance
procedures at any time without notice.
Good Will Instrument Co., Ltd.
No. 7-1, Jhongsing Rd., Tucheng Dist., New Taipei City 236, Taiwan.

Table of Contents
3
Table of Contents
SAFETY INSTRUCTIONS ................................................... 5
GETTING STARTED ........................................................... 9
GCT-9040 Overview ............................. 10
Appearance .......................................... 14
Set Up.................................................. 19
OPERATION.................................................................... 25
Menu Tree............................................ 26
Test Lead Connection ........................... 30
GB Manual Testing .............................. 36
Linked ACW/DCW/IR Tests .................. 57
Common Utility Settings ...................... 66
EXTERNAL CONTROL ..................................................... 74
External Control Overview .................... 75
REMOTE CONTROL ........................................................ 81
Interface Configuration ........................ 82
Command Syntax ................................. 86
Command List for GCT-9040................ 89
Error Messages.................................. 124
FAQ ...............................................................................125
APPENDIX .....................................................................127
Fuse Replacement .............................. 127
Error Messages .................................. 128
GCT-9040 Specifications .................... 130
GCT-9040 Dimensions ....................... 131
Declaration of Conformity .................. 133

GCT-9040 User Manual
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INDEX............................................................................134

SAFETY INSTRUCTIONS
5
SAFETY INSTRUCTIONS
This chapter contains important safety
instructions that you must follow during
operation and storage. Read the following before
any operation to ensure your safety and to keep
the instrument in the best possible condition.
Safety Symbols
These safety symbols may appear in this manual or on the
instrument.
WARNING
Warning: Identifies conditions or practices that
could result in injury or loss of life.
CAUTION
Caution: Identifies conditions or practices that
could result in damage to the instrument or to
other properties.
Attention Refer to the Manual
Protective Conductor Terminal
Frame or Chassis Terminal
Earth (ground) Terminal

GCT-9040 User Manual
6
Do not dispose electronic equipment as unsorted
municipal waste. Please use a separate collection
facility or contact the supplier from which this
instrument was purchased.
Safety Guidelines
General
Guideline
CAUTION
Do not place any heavy object on the
instrument.
Avoid severe impact or rough handling that
leads to damaging the instrument.
Do not discharge static electricity to the
instrument.
Use only mating connectors, not bare wires, for
the terminals.
Do not block the cooling fan opening.
Do not disassemble the GCT-9040 unless you
are qualified.
(Measurement categories) EN 61010-1:2010 specifies the
measurement categories and their requirements as follows. The
GCT-9040 does not fall under category II, III or IV.
Measurement category IV is for measurement performed at the
source of low-voltage installation.
Measurement category III is for measurement performed in the
building installation.
Measurement category II is for measurement performed on the
circuits directly connected to the low voltage installation.
Power Supply
WARNING
AC Input voltage range:
100/120/220/230VAC ±10%
Frequency: 50Hz/60Hz
To avoid electrical shock connect the protective
grounding conductor of the AC power cord to
an earth ground.

SAFETY INSTRUCTIONS
7
Cleaning the
GCT-9040
Disconnect the power cord before cleaning.
Use a soft cloth dampened in a solution of mild
detergent and water. Do not spray any liquid.
Do not use chemicals containing harsh material
such as benzene, toluene, xylene, and acetone.
Operation
Environment
Location: Indoor, no direct sunlight, dust free,
almost non-conductive pollution (Note below)
Relative Humidity: ≤70% (no condensation)
Altitude: < 2000m
Temperature: 0˚C~40˚C
(Pollution Degree) EN 61010-1:2010 specifies the pollution degrees
and their requirements as follows. The GCT-9040 falls under degree
2.
Pollution refers to “addition of foreign matter, solid, liquid, or
gaseous (ionized gases), that may produce a reduction of dielectric
strength or surface resistivity”.
Pollution degree 1: No pollution or only dry, non-conductive
pollution occurs. The pollution has no influence.
Pollution degree 2: Normally only non-conductive pollution
occurs. Occasionally, however, a temporary conductivity caused
by condensation must be expected.
Pollution degree 3: Conductive pollution occurs, or dry, non-
conductive pollution occurs which becomes conductive due to
condensation which is expected. In such conditions, equipment
is normally protected against exposure to direct sunlight,
precipitation, and full wind pressure, but neither temperature
nor humidity is controlled.
Storage
environment
Location: Indoor
Temperature: -10°C to 70°C
Relative Humidity: ≤ 85% (no condensation)
Disposal
Do not dispose this instrument as unsorted
municipal waste. Please use a separate collection
facility or contact the supplier from which this
instrument was purchased. Please make sure
discarded electrical waste is properly recycled to
reduce environmental impact.

GCT-9040 User Manual
8
Power cord for the United Kingdom
When using the tester in the United Kingdom, make sure the power
cord meets the following safety instructions.
NOTE: This lead/appliance must only be wired by competent persons
WARNING: THIS APPLIANCE MUST BE EARTHED
IMPORTANT: The wires in this lead are coloured in accordance with the
following code:
Green/ Yellow:
Earth
Blue:
Neutral
Brown:
Live (Phase)
As the colours of the wires in main leads may not correspond with
the coloured marking identified in your plug/appliance, proceed
as follows:
The wire which is coloured Green & Yellow must be connected to
the Earth terminal marked with either the letter E, the earth symbol
or coloured Green/Green & Yellow.
The wire which is coloured Blue must be connected to the terminal
which is marked with the letter N or coloured Blue or Black.
The wire which is coloured Brown must be connected to the
terminal marked with the letter L or P or coloured Brown or Red.
If in doubt, consult the instructions provided with the equipment
or contact the supplier.
This cable/appliance should be protected by a suitably rated and
approved HBC mains fuse: refer to the rating information on the
equipment and/or user instructions for details. As a guide, a cable
of 0.75mm2should be protected by a 3A or 5A fuse. Larger
conductors would normally require 13A types, depending on the
connection method used.
Any exposed wiring from a cable, plug or connection that is
engaged in a live socket is extremely hazardous. If a cable or plug is
deemed hazardous, turn off the mains power and remove the cable,
any fuses and fuse assemblies. All hazardous wiring must be
immediately destroyed and replaced in accordance to the above
standard.

GETTING STARTED
9
GETTING STARTED
This chapter describes the safety tester in a
nutshell, including its main features and front /
rear panel introduction. After going through the
overview, please read the safety considerations in
the Set Up chapter.
POWER
START STOP
REMOTE
MANU EDIT/SAVE UTILITY
ESC PAGE
PASS FAIL READY TEST
CAUTION
GB Rx
SENSE H
SOURCE H
SENSE L
SOURCE L
40A MAX.
GCT-9040 Ground Bond Tester
GCT-9040 Overview ......................................................... 10
Introduction to the GCT-9040................................................................ 10
Main Features .......................................................................................... 11
Accessories ............................................................................................... 11
Package Contents .................................................................................... 13
Appearance ..................................................................... 14
Front Panel ............................................................................................... 14
Rear Panel................................................................................................. 17
Set Up............................................................................. 19
Line Voltage Connection and Power Up ............................................. 19
Installing the Optional GPIB Card........................................................ 21
Workplace Precautions........................................................................... 22
Operating Precautions............................................................................ 23

GCT-9040 User Manual
10
GCT-9040 Overview
Introduction to the GCT-9040
GCT-9040 is a ground bond tester that can operate as a standalone
unit or in conjunction with a GPT-9000 Series safety tester to
perform additional ACW/DCW/IR tests before, after or
simultaneously(ACW/DCW only) with GB tests.
When the GCT-9040 operates with a GPT-9000 Series safety tester,
it uses a dedicated LINK port and remote commands to
communicate in a master-slave fashion. The GCT-9040 operates as
the master and the GPT-9000 Series unit operates as a slave.
The GCT-9040 can store up to 100 manual tests allowing the safety
testers to accommodate any number of safety standards, including
IEC, EN, UL, CSA, GB, JIS and others.
Note: Throughout this user manual, the terms ACW, DCW, IR and
GB refer to AC Withstanding, DC Withstanding, Insulation
Resistance and Ground Bond testing, respectively. GPT-9000 refers
to any of the GPT-98XX or GPT-99XX models, GPT-9000A refers to
any of the GPT-99XXA models. For information specific to the GPT-
9000, please see the GW Instek website, http://www.gwinstek.com.