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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.
