User`s guide

13 MM560A-MM570A-EU-EN
V1.1 8/12

A, mA, A, and %4-20mA Current functions
Insert the red test lead into the correct

A/mA or A input jack. Press SELECT button momentarily to
select DC, AC, or DC+AC. The new settings will be saved automatically to the non-volatile memory as
power up default. In DC mA function, neither in AC nor in DC+AC,
press and hold
the %4-20mA
(
Hz) button for 1 second or more to display the current digital data in terms of loop current
percentage (%) value. It is set at 4mA = 0% (zero) and 20mA = 100% (span) with 0.01% high
resolution, which virtually extends the meters’ capability to test and regulate the externally powered
loop current in the industrial process control applications. The analog bar-graph remains showing the
mA current value to alert the user.
A A A
A
mA
%4-20mA
Warning: When measuring a 3-phase system, special attention should be taken to the phase-to-phase
voltage that 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).