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Extech Multimeter MM570A

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User’s Guide

MultiMaster™ Digital MultiMeter Series

With PC Interface

Models:

MM560A

MM570A

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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 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 III 1000

Volts AC & DC and Category IV 600 Volts AC & DC.

MM560A Terminals (to COM) measurement category:

V : Category III 1000 Volts AC & DC, and Category IV 600 Volts AC & DC.

A / mAA : Category III and Category IV 600 Volts AC and 300 Volts DC.

MM570A Terminals (to COM) measurement category:

V / A / mAA : Category III 1000 Volts AC & DC, and Category IV 600 Volts AC & DC.

Per IEC61010-1 2nd Ed. (2001) Measurement Category

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.

Measurement Category III (CAT III) is for measurements performed in the building installation.

Examples are measurements on distribution boards, circuit- breakers, wiring, including cables,

bus-bars, junction boxes, switches, socket-outlets in the fixed installation, and equipment for industrial

use and some other equipment, for example, stationary motors with permanent connection to the fixed

installation.

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.

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.

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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.

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

Produktspecifikationer

Varumärke:	Extech
Kategori:	Multimeter
Modell:	MM570A
Färg på produkten:	Zwart
Vikt:	25000 g
Bredd:	500 mm
Djup:	565 mm
Höjd:	355 mm
Anslutningsteknik:	Bedraad
Avsedd för:	Optreden/podium
Equalizerinställningar:	Ja
Ljudutgångskanaler:	- kanalen
Signal-brusförhållande:	- dB
Total harmonisk distorsion (THD):	- procent
Toppeffekt per kanal:	100 W
Linjeutgångar (RCA):	1