ADWEL DRM-100 Manual de usuario
User Manual
Model DRM-100
Digital Resistance Meter
ADWEL
International
Limited
an IRIS Power Company
Page ii
Copyright © 2008 ADWEL International Ltd.
Copyright in this document is owned by ADWEL
International Limited except for information supplied
by other parties.
No reproduction of the whole or any part is to be
made without the authority of ADWEL International
Limited
ReporteR™ is a trademark of ADWEL International
Ltd.
Head Office:
ADWEL International Ltd.
an IRIS Power Company
3110 American Drive
Mississauga, ON L4V 1T2
Canada
Tel: 905-677-4824
Fax: 905-677-8498
Web: www.irispower.com
European Office:
IRIS Power
Park House, Greenhill Crescent
Watford Business Park
Watford, Herts, WD18 8PH
United Kingdom, Europe
Tel: +44 1923 254433
Fax: +44 1923 218278
Version 2.0, June 2008
Table of Contents
Page iii
Table of Contents
Table of Contents....................................................................... iii
Safety Warnings.........................................................................v
Safety Symbols ........................................................................... v
High Voltage Safety Precautions ............................................... vi
Built-in Safety Precautions ....................................................... vii
Power Source ............................................................................ vii
Customer Service......................................................................ix
Contact Information ................................................................... ix
Any Comments?......................................................................... ix
Introduction ................................................................................1
Application.................................................................................. 1
Features....................................................................................... 1
Options and Accessories ............................................................. 3
DRM-100 accessories ................................................................. 3
Getting to Know the DRM-100...................................................4
Front Panel Components............................................................. 4
Power Entry Module with Main Switch...................................... 4
Grounding/Earth Terminal.......................................................... 5
LCD Screen................................................................................. 5
Buttons ........................................................................................ 5
Current Receptacles .................................................................... 6
Voltage Receptacles.................................................................... 6
Emergency Stop Button .............................................................. 7
RS-232 Connector....................................................................... 7
Test Leads ................................................................................... 7
Graphical User Interface ............................................................. 8
Startup Screen ............................................................................. 8
Main Screen ................................................................................ 9
Resistance Displays..................................................................... 9
Continuous Resistance Test ...................................................... 10
Current versus Resistance Ranges ............................................ 11
Prompt Messages ...................................................................... 12
Status messages......................................................................... 12
Table of Contents
Page iv
Warning messages..................................................................... 14
Measuring with the DRM-100..................................................17
Preparation ................................................................................ 17
Locating the DRM-100 ............................................................. 17
Setting Input Voltage ................................................................ 17
Connecting to Device................................................................ 18
Starting the DRM-100............................................................... 19
Operation Sequence .................................................................. 20
Select the Test Current (I=SET)................................................ 20
Select the Measurement Time (t=SET)..................................... 20
Testing Procedures.................................................................... 21
Conventional Mode................................................................... 21
Trouble-shooting Mode............................................................. 22
Technical Specifications.........................................................24
CE Declaration of Conformity.................................................26
Index..........................................................................................28
Safety Warnings
Page v
Safety Warnings
Comply with all equipment grounding instructions
to avoid dangerous electrical shocks.
Only properly trained personnel should use the DRM-100.
Safety is the responsibility of the user.
1. Read all safety and operating instructions before
operating the equipment.
2. Retain this User Manual for future reference.
3. Heed all safety warnings on the equipment and in
the manual.
4. Follow all operating instructions.
Safety Symbols
In this manual, the safety symbol with an exclamation
point alerts you to operating and maintenance instructions
that you need to follow to protect your safety.
On the test set, the symbol with a "lightning flash arrow"
alerts you to the presence of an uninsulated voltage with
enough magnitude to produce an electric shock.
Whenever there is current in the load, a warning light will
appear, along with a warning message and an audible
warning tone (audible ton can be switch on/off by user).
Safety Warnings
Page vi
High Voltage Safety Precautions
The DRM-100 test set and any device under the test to
which it is connected are possible sources of high-voltage
electrical energy.
Anyone using the test set must take all practical safety
precautions to prevent contact with energized parts of the
equipment and related circuits.
•Never connect the test set to energized equipment.
•Do not use the test set in an explosive atmosphere.
•Stand clear of all parts of the high-voltage circuit,
including all connections, unless the test set is de-
energized and all parts of the test circuit are
grounded.
•Keep other people away from test activities with
suitable barricades or warnings.
•Treat all terminals of high-voltage power equipment
as potential electric shock hazards. Voltages may be
induced at these terminals because of proximity to
energized high-voltage lines or equipment.
•Always disconnect test leads from the power
equipment before disconnecting them at the test set.
The ground connection must be the first made and the
last removed.
•Wearing rubber gloves is recommended as a routine
safety precaution whenever working with the test set.
•Maintenance must be performed by qualified
personnel who are familiar with the construction and
operation of the test set and the hazards involved.
Safety Warnings
Page vii
High-voltage discharges and strong electric or
magnetic fields may interfere with heart
pacemakers. If you have a pacemaker, obtain
medical advice on the possible risks before getting
close to the energized test set.
Built-in Safety Precautions
To prevent operator injury or equipment damage, the
voltage output is protected against interruptions that may
occur during testing. The test set's input potential
channels are equipped with bi-polar over-voltage
protection. The instrument is furnished with safety
Emergency button which activation interrupts all output
voltages.
Power Source
The DRM-100 operates from a single-phase power
source. It requires a two-pole, three terminal, live, neutral,
and ground type connector.
The voltage to ground from the live pole of the power
source must not exceed the maximum rated operating
voltage and can not be changed by user. Ensure the
voltage is properly selected before use. The neutral pole
must be at ground potential.
•Fuse Rating — 8 A 250 VAC,Type T
•Installation category — II Light Industrial
Before connecting to the power source, determine
that the instrument rating matches the voltage of
the power source and has a suitable two-pole,
three-terminal grounding type connector.
Safety Warnings
Page viii
Before plugging in the three-wire power cord,
make sure the receptacle is properly wired and
has a ground contact. Do not bypass the
grounding connection. Any interruption of the
grounding connection can create an electric shock
hazard.
Customer Service
Page ix
Customer Service
If you have technical questions on the DRM-100 test set
or software, first refer to this User Manual.
Contact Information
If this manual does not answer your questions, contact
ADWEL International Ltd. for technical support at:
North America office:
•Phone: +1 905-677-4824
•Fax: +1 905-677-8498
•www: www.irispower.com
•e-mail: techsupp[email protected]
Or Europe office:
•Phone: +44 1923 254433
•Fax: +44 1923 218278
•www: www.irispower.com
Any Comments?
We're interested in your comments about this manual.
We'd like to improve it, but need your help to do so. For
example, your comments could relate to a missing
explanation, a missing reference to important keywords,
organization of information, and so on.
Please forward any comments by phone, fax, or email.
Introduction
Page 1
Introduction
The DRM-100 (Digital Resistance Meter) is used to
measure resistance of contacts on de-energized devices
such as circuit breakers, switches and bus bars as found in
energized high-voltage substations.
Application
The DRM-100 instrument makes a 4 terminal
measurement by passing DC current through the unknown
resistance. The resulting voltage drop is measured and
used to calculate resistance. (True 4 terminal Kelvin
measurement method.)
The operator moves the test cables from phase to phase
until all three are tested.
NOTE: Users of the equipment should follow the
instructions to handle the equipment properly to avoid any
accidents or serious damage.
Features
•Up to 100 Amps of pure DC current is smoothly
ramped up and down automatically to prevent current
transients that can lead to unwanted operation of
protection relays. Output current is preset by operator
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