METREL MD 9035 Manuale utente
METREL MD 9035
Automotive Multimeter Designed to
Work On Real-World Car Signals
MD 9035
User Manual
Bedienungsanleitung
Version 1.0, Code no. 20 751 999
2
Distributor:
METREL d.d.
Ljubljanska cesta 77
1354 Horjul
Slovenia
web site: http://www.metrel.si/
Metrel GmbH
Mess und Prüftechnik
Orchideenstrasse 24
90542 Eckental -Brand
Germany
Internet: http://www.metrel.de/
Metrel UK
Test & Measurement
Unit 1, Hopton House,
Ripley Drive,
Normanton Industrial Estate,
Normanton,
West Yorkshire
WF6 1QT
Great Britain
Internet: http://www.metrel.co.uk/
© 2012 METREL
Mark on your equipment certifies that this equipment meets the requirements of the EC
(European Community) regulations concerning safety and electromagnetic compatibility.
No part of this publication may be reproduced or utilized in any form or by any means
without permission in writing from METREL.
MD 9035 Digital Multimeter Series Table of contents / Inhalt
3
Table of contents/ Inhalt
English
1 Safety ...........................................................................................................................4
2 Cenelec Directives........................................................................................................6
3 Product Description ......................................................................................................7
4 Operation......................................................................................................................9
5 Specifications..............................................................................................................17
6 Maintenance...............................................................................................................22
Deutsch
1 Sicherheitsbestimmungen ..........................................................................................24
2 Cenelec-Richtlinien.....................................................................................................26
3 Produktbeschreibung..................................................................................................27
4 Betrieb........................................................................................................................29
5 Spezifikationen ...........................................................................................................37
6 Wartung......................................................................................................................42
MD 9035 Digital Multimeter Series Safety
4
1 Safety
Terms in this manual
WARNING identifies conditions and actions that could result in serious injury or even
death to the user.
CAUTION identifies conditions and actions that could cause damage or malfunction
in the instrument.
This manual contains information and warnings that must be followed for operating the
instrument safely and maintaining the instrument in a safe operating condition. If the
instrument is used in a manner not specified by the manufacturer, the protection
provided by the instrument may be impaired. The meter is intended only for indoor use.
The meter protection rating, against the users, is double insulation per IEC61010-1 2nd
Ed., EN61010-1 2nd Ed., UL61010-1 2nd Ed. and CAN/CSA C22.2 No. 61010.1-0.92 to
Category II 1000V AC & DC.
Terminals (to COM) measurement category:
V : Category II 1000V AC & DC
A & mAA : Category II 450V AC & DC
Per IEC61010-1 2nd Ed. (2001) Measurement Category
Measurement Category II (CAT II) is for measurements performed on circuits directly
connected to the low voltage installation. Examples are measurements on household
appliances, portable tools and similar equipment.
WARNING
To reduce the risk of fire or electric shock, do not expose this product to rain or
moisture. To avoid electrical shock hazard, observe the proper safety precautions when
working with voltages above 60 VDC or 30 VAC rms. These voltage levels pose a
potential shock hazard to the user. Do not touch test lead tips or the circuit being tested
while power is applied to the circuit being measured. Keep your fingers behind the
finger guards of the test leads during measurement. Inspect test leads, connectors, and
probes for damaged insulation or exposed metal before using the instrument. If any
defects are found, replace them immediately. Do not measure any current that exceeds
the current rating of the protection fuse. Do not attempt a current measurement to any
circuit where the open circuit voltage is above the protection fuse voltage rating.
Suspected open circuit voltage should be checked with voltage functions. Never attempt
a voltage measurement with the test lead inserted into the A/mA or A input jack. Only
replace the blown fuse with the proper rating as specified in this manual.
CAUTION
Disconnect the test leads from the test points before changing functions. Always set the
instrument to the highest range and work downward for an unknown value when using
manual ranging mode.
MD 9035 Digital Multimeter Series Safety
5
INTERNATIONAL ELECTRICAL SYMBOLS
!Caution ! Refer to the explanation in this Manual
Caution ! Risk of electric shock
Earth (Ground)
Double Insulation or Reinforced insulation
Fuse
AC--Alternating Current
DC--Direct Current
MD 9035 Digital Multimeter Series Cenelec Directives
6
2 Cenelec Directives
The instruments conform to CENELEC Low-voltage directive 2006/95/EC and
Electromagnetic compatibility directive 2004/108/EC
MD 9035 Digital Multimeter Series Product Description
7
3 Product Description
This user's manual uses only representative model(s) for illustrations. Please refer
specification details for function availability to each model.
1) 3-5/6 digits 6000 counts LCD
display
2) Push-buttons for special
functions & features
3) Selector to turn the Power On
or Off and Select a function
4) Input Jack for milli-amp and
micro-amp current functions
5) Input Jack for all functions
EXCEPT current (A, mA, A)
functions
6) Common (Ground reference)
Input Jack for all functions
7) Input Jack for 6A (15A for
30sec) current function
Analog bar-graph
The analog bar graph provides a visual indication of measurement like a traditional
analog meter needle. It is excellent in detecting faulty contacts, identifying potentiometer
clicks, and indicating signal spikes during adjustments.
MD 9035 Digital Multimeter Series Product Description
8
Average sensing RMS calibrated
RMS (Root-Mean-Square) is the term used to describe the effective or equivalent DC
value of an AC signal. Most digital multimeters use average sensing RMS calibrated
technique to measure RMS values of AC signals. This technique is to obtain the
average value by rectifying and filtering the AC signal. The average value is then scaled
upward (calibrated) to read the RMS value of a sine wave. In measuring pure sinusoidal
waveform, this technique is fast, accurate and cost effective. In measuring non-
sinusoidal waveforms, however, significant errors can be introduced because of
different scaling factors relating average to RMS values.
MD 9035 Digital Multimeter Series Operation
9
4 Operation
CAUTION
Before and after hazardous voltage measurements, test the voltage function on a
known source such as line voltage to determine proper meter functioning.
DCV, ACV, & Line Frequency functions
Press the SELECT button momentarily to select the subject functions in sequence. Last
selection will be saved as power up default for repeat measurement convenience.
Note:
*Input sensitivity varies automatically with function range selected before activating the
Hz function. 6V function range has the highest and the 1000V range has the lowest. It is
recommended to first measure the signal voltage (or current) level then activate the Hz
function in that voltage (or current) range to automatically set the most appropriate
trigger level. You can also press the Level (RANGE) button momentarily to select
another trigger level manually. If the Hz reading becomes unstable, select lower
sensitivity to avoid electrical noise. If the reading shows zero, select higher sensitivity.
*Number of Bar-graph pointer is used to indicate input range (sensitivity) selected.
1/2/3/4 pointers indicate that 6/60/600/1000V is selected respectively
Resistance, Continuity, Capacitance, & Diode test functions
Press the SELECT button momentarily to select the subject functions in sequence. Last
selection will be saved as power up default for repeat measurement convenience.
MD 9035 Digital Multimeter Series Operation
10
CAUTION
Discharge capacitors before making any measurement. Large value capacitors should
be discharged through an appropriate resistance load.
CAUTION
Using resistance and continuity function in a live circuit will produce false results and
may damage the instrument. In many cases the suspected component must be
disconnected from the circuit to obtain an accurate reading
Continuity function is convenient for checking wiring connections and operation of
switches. A continuous beep tone indicates a complete wire.
Normal forward voltage drop (forward biased) for a good silicon diode is between
0.400V to 0.900V. A reading higher than that indicates a leaky diode (defective). A zero
reading indicates a shorted diode (defective). An OL indicates an open diode
(defective). Reverse the test leads connections (reverse biased) across the diode. The
digital display shows OL if the diode is good. Any other readings indicate the diode is
resistive or shorted (defective).
DCmV, ACmV & Temperature oC & oF functions
Press the SELECT button momentarily to select the subject functions in sequence. Last
selection will be saved as power up default for repeat measurement convenience.
Indice
Lingue:
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