METREL MD 9030 Manuale utente
METREL MD 9030
True RMS Electrical & Electronic Bench and Field
Service Digital Multimeter with Temperature
MD 9030
User Manual
Bedienungsanleitung
Navodilo za uprabo
Version 2.1, Code no. 20 751 292
2
Distributor:
METREL d.d.
Ljubljanska cesta 77
1354 Horjul
Slovenia
e-mail: [email protected]
web site: http://www.metrel.si/
Metrel GmbH
Mess und Prüftechnik
Orchideenstrasse 24
90542 Eckental -Brand
Germany
E-mail: [email protected]
Internet: http://www.metrel.de/
Metrel UK Ltd.
Test & Measurement
Unit 16, 1st Qtr Business Park
Blenheim Road
Epsom
Surrey
KT19 9QN,
Great Britain
E-mail: [email protected]
Internet: http://www.metrel.co.uk
© 2007 –2016 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 9030 TRMS Electrical & Electronic DMM with Temperature Table of contents/ Inhalt
3
Table of contents/ Inhalt/ Vsebina
English
1 Safety ...........................................................................................................................4
2 Cenelec Directives........................................................................................................5
3 Product Description ......................................................................................................6
4 Operation......................................................................................................................7
5 Maintenance...............................................................................................................12
6 Specification ...............................................................................................................13
Deutsch
1 Sicherheit....................................................................................................................18
2 Cenelec-Richtlinien.....................................................................................................19
3 Produktbeschreibung..................................................................................................20
4 Betrieb........................................................................................................................21
5 Wartung......................................................................................................................26
6 Technische Daten.......................................................................................................28
Slovensko
1 Varnost.......................................................................................................................33
2 Smernice CENELEC...................................................................................................34
3 Opis izdelka................................................................................................................35
4 Obratovanje................................................................................................................36
5 Vzdrževanje................................................................................................................42
6 Tehnični podatki..........................................................................................................44
MD 9030 TRMS Electrical & Electronic DMM with Temperature Safety
4
1 Safety
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 (all versions) is protected, against the users, by double insulation per
IEC/UL/EN61010-1 Ed. 3.0, IEC/EN61010-2-030 Ed. 1.0, IEC/EN61010-2-033 Ed. 1.0,
IEC/UL/EN61010-031 Ed. 1.1 and CAN/CSA-C22.2 No. 61010-1-12 Ed. 3.0 to Category
II 1000 Volts, CAT III 600Volts and CAT IV 300Volts AC & DC.
Terminals (to COM) measurement category:
V / A / mAA: Category II 1000V, Category III 600V and Category IV 300V AC & DC.
PER IEC61010 OVERVOLTAGE INSTALLATION CATEGORY
OVERVOLTAGE CATEGORY II
Equipment of OVERVOLTAGE CATEGORY II is energy-consuming equipment to be
supplied from the fixed installation.
Note –Examples include household, office, and laboratory appliances.
OVERVOLTAGE CATEGORY III
Equipment of OVERVOLTAGE CATEGORY III is equipment in fixed installations.
Note –Examples include switches in the fixed installation and some equipment for
industrial use with permanent connection to the fixed installation.
OVERVOLTAGE CATEGORY IV
Measurement Category IV (CAT IV) is for measurements performed at the source of the
low-voltage installation. Examples are electricity meters and measurements on primary
overcurrent protection devices and ripple control units
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.
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 circuit that draws
more than the current rating of the protection fuse. Do not attempt a current
MD 9030 TRMS Electrical & Electronic DMM with Temperature Cenelec Directives
5
measurement where the open circuit voltage is above the protection fuse voltage rating.
Suspected open circuit voltage can 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. Only use the
test lead provided with the equipment or UL Listed Probe Assembly.
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.
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
2 Cenelec Directives
The instruments conform to CENELEC Low-voltage directive 2006/95/EC and
Electromagnetic compatibility directive 2004/108/EC.
MD 9030 TRMS Electrical & Electronic DMM with Temperature Product Description
6
3 Product Description
This user's manual uses only representative model for illustrations. Please refer
specification details for function availability to each model.
3-3/4 digits 4000 counts
LCD display
Push-buttons for special
functions & features
Selector to turn the Power
On or Off and select a
function
Input Jack (+) for 10A (20A
for 30sec) current function
Input Jack (+) for all functions
EXCEPT current (
A, mA, A)
function
Common (Ground reference)
Input Jack (-) for all functions
Input Jack (+) for milli-amp
and micro-amp functions
MD 9030 TRMS Electrical & Electronic DMM with Temperature Operation
7
4 Operation
DC Voltage, AC Voltage, & Hz Frequency functions
Note:
AC 400.0mV range selection is by RANGE button manually, and is specified from AC
10mV (AC 40mV for True RMS model BM807) and up.
DC 400.0mV range is designed with 1000Mhigh input impedance for least current
drain in measuring small signals, and can cope better with most commercially available
voltage output transducers and adapters. The non-zero display reading is normal when
the meter inputs are open circuit, which will not affect actual measurement accuracy.
Open input is actually a floating condition, which is not a zero-volt-input condition. The
meter will show zero or close to zero reading when the inputs are shorted.
Resistance, and Continuity functions
Defaults at . Press SELECT button momentarily to select Continuity function
which is convenient for checking wiring connections and operation of switches. A
continuous beep tone indicates a complete wire.
display shows OL if the diode is good. Any other readings indicate the diode is resistive
or shorted (defective).
MD 9030 TRMS Electrical & Electronic DMM with Temperature Operation
8
CAUTION
Using Resistance, Continuity, Diode or Capacitance 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 measurement reading.
Diode test, Capacitance functions
Defaults at . Press SELECT button momentarily 2 times to select Diode test
function. 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).
Defaults at . Press SELECT button momentarily 3 times to select Capacitance
function. Relative zero mode can be used to zero out the parasitic capacitance of the
MD 9030 TRMS Electrical & Electronic DMM with Temperature Operation
9
leads and the internal protection circuitry of the meter when measuring low capacitance
in the order of Pico Farad (pF).
CAUTION
Discharge capacitors before making any measurement. Large value capacitors should
be discharged through an appropriate resistance load
A, mA, and A Current functions
Default at DC. Press SELECT button momentarily to select AC.
MD 9030 TRMS Electrical & Electronic DMM with Temperature Operation
10
CAUTION
When measuring a 3-phase system, special attention should be taken to the phase-to-
phase voltage which is significantly higher than the phase-to-earth voltage. To avoid
exceeding the voltage rating of the protection fuse(s) accidentally, always consider the
phase-to-phase voltage as the working voltage for the protection fuse(s).
Beep-Jack™ Input Warning
The meter beeps to warn the user against possible damage to the meter due to
improper connections to the A, mA, or A input jacks when other function (like voltage
function) is selected.
Temperature function
Be sure to insert the banana plug type-K temperature bead probe AMD9023 (Optional
purchase) with correct polarities. Defaults at degree C (Celsius). Press SELECT
button momentarily to select degree F (Fahrenheit). You can also use a plug adapter
AMD 9024 (Optional purchase) with banana pins to type-K socket to adapt other type-K
standard mini plug temperature probes.
Relative zero mode
Relative zero mode allows the user to offset the meter consecutive measurements
with the displaying reading as the reference value. The display will now show readings
relative to the stored reference value. That is, display = reading - stored value. Press
the button momentarily to activate or to exit relative zero mode.
Indice
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