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Introduction

Congratulations on your purchase of Extech model MM560 or MM570

digital multimeter. Properly used, this meter will provide many years of

reliable service.

MultiMaster™ Meters provides high resolution, high accuracy, true rms

measurements of AC Voltage and Current, DC Voltage and Current,

AC+DC, Resistance, Frequency, Capacitance, Duty Cycle, dBm, Peak,

%4-20, Diode, and Continuity. The MultiMaster™ also offers RS-232 PC

Interface data acquisition capabilities as an option. Model MM570 offers

dual input Temperature measurements and very wide bandwidth.

Safety

International Safety 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 or Voltage

DC, Direct Current or Voltage

AC+DC, Current or Voltage

Safety Precautions

1. Improper use of this meter can cause damage, shock, injury or death.

Read and understand this users manual before operating the meter.

2. Make sure any covers or battery doors are properly closed and

secured.

3. Always remove the test leads before replacing the battery or fuses.

4. Inspect the condition of the test leads and the meter itself for any

damage before operating the meter. Repair or replace any damage

before use.

5. To reduce the risk of fire or electric shock, do not expose this product

to rain or moisture.

6. Do not exceed the maximum rated input limits.