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PDF GDM-8246 Data sheet ( Hoja de datos )
| Número de pieza | GDM-8246 | |
| Descripción | DUAL DISPLAY DIGITAL MULTIMETER | |
| Fabricantes | Good Will | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de GDM-8246 (archivo pdf) en la parte inferior de esta página. Total 16 Páginas | ||
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DUAL DISPLAY DIGITAL
MULTIMETER
MODEL: GDM-8246
User Manual
Good Will Instrument Co., Ltd.
GW Part No. 82DM-82460MA
Printed in Taiwan October 2002
All Rights Reserved
This manual contains proprietary information, which is protected by
copyrights. 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. 95-11, Pao-Chung Road, Hsin-Tien City, Taipei Hsien, Taiwan
1 page  
DUAL DISPLAY DIGITAL MULTIMETER
USER MANUAL
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, cable of 0.75mm² should be protected
by a 3A or 5A fuse. Larger conductors would normally
require 13A types, depending on the connection method
used.
Any moulded mains connector that requires removal
/replacement must be destroyed by removal of any fuse &
fuse carrier and disposed of immediately, as a plug with
bared wires is hazardous if a engaged in live socket. Any
re-wiring must be carried out in accordance with the
information detailed on this label.
4
DUAL DISPLAY DIGITAL MULTIMETER
USER MANUAL
2. INTRODUCTION
This is a portable, bench-type dual display digital multimeter with a
good-performance 50000 counts designed for general purpose application.
The dual display allows you to display two functions of the input signal
being measured.
Features
z 50000 counts DMM
z Multi-function ACV, DCV, ACA, DCA, R, C , Hz, Continuity Beeper,
Diode Test, MAX/MIN, REL, dBm, HOLD, Autohold, Compare.
z Dual display Indicate ACV and Hz, DCV (ACV) and dBm or DCV
and ACV ripple.
z Manual or Autoranging
z 0.02% DCV accuracy
z 20A high current range
z 1200V high voltage range
z AC True RMS or AC+DC True RMS.
z ACV frequency response 100kHz.
z The reference impedance selectable in the dBm modifier.
z Auto-recall the setting upon power on.
z Interface RS232 (Standard) and GPIB (option).
5
5 Page 
DUAL DISPLAY DIGITAL MULTIMETER
USER MANUAL
5. MEASUREMENT TUTORIAL
5-1. Voltage measurements (DCV, ACV, DCmV, ACmV)
1).Press the button to select desired function.
2).Press [▲]or[▼]to the desired range (if you have no idea about the
value of input, we suggest you always start at the highest range).
Press [AUTO/MAN] button for manual or auto-ranging selection.
3).Connect the test lead to the V and COM input terminals of the
instrument.
4).Connect the test lead to the measuring points and read the displayed
value.
NOTE: After measuring high voltage to 1000V dc, errors may
occur when the 100μV is measured. Allow up to one
minute prior to making low-level measurements
5-2. Current measurements (DCA, DC 20A, ACA, AC 20A)
1).Press the button to select function.
2).Press [▲]or[▼]to the desired range (if you have no idea about the
value of input. we suggest you always start at the highest
range).Press [AUTO/MAN] button to change manual or
auto-ranging.
3).Connect the test lead to the 2A or 20A and COM input terminals of
the instrument.
4).Connect the test lead to the measuring points and read the displayed
value.
16
DUAL DISPLAY DIGITAL MULTIMETER
USER MANUAL
5-3. Resistance, capacitance, continuity beeper measurements
1). Press the button to select function.
2). Press [▲]or[▼]to the desired range. Press [AUTO/MAN] button
to change manual or auto-ranging.
3). Connect the test lead to the Ω, and COM input terminals of
the instrument.
4). Connect the test lead to the measuring points and read the
displayed value.
5-4. Diode test measurements
1). Press the button to select function.
2). Connect the test lead to the
and COM input terminals of
the instrument.
3). Connect the test lead to the semiconductor junction (diode or
transistor) as shown in Figure 5-1,and read the displayed value.
z Figure 5-1
Connect to
“”
terminal.
Connect to
“COM”
terminal
5-5. dBm measurements
This function converts a voltage measurement into dBm. The function
can be selected only when a voltage function (volts ac, volts dc, or
volts ac+dc) is selected. Press [dBm] button, the secondary display
shows the dBm value that reposed on the voltage value showed in the
primary display.
17
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet GDM-8246.PDF ] | |
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