Bosch MMD 540H Manuel D'instructions page 6

Safety Cont'd...
IMPORTANT
Ñ
To maintain accuracy of the meter, replace the discharged
battery immediately when the symbol "BAT" appears on the
meter display.
Ñ
Avoid measuring error from outside interference. Keep the meter
away from spark plug or coil wires.
Ñ
Avoid damaging the meter when testing voltage. Disconnect the
test leads from the test points before changing functions.
Ñ
Do not exceed the limits shown in the table below:
Function
DC/AC Volts,
Ohm†/Continuity
/Diode,CAP.,IR- TEMP.
Adaptor, Type-K
TEMP.,Hz,%Duty, Ms
Dwell, RPM
AC/DC μA mA
AC/DC20A
*20 Amp measurement for 30 seconds maximum.
†Ohms can not be measured if voltage is present, ohms can be
measured only in a non-powered circuit. However, the meter is
protected to 600 volts.
MMD 540H Instruction Manual | Version 1 | February 2008
MMD 540H Hybrid Multimeter | Safety | 5
Terminal
V-Ω-RPM
μA / mA
20A
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Input limit
600VoltsAC DC
400mA DC/AC
*20A DC/AC
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