Klein Tools MM420 User Manual

11
OPERATING INSTRUCTIONS
• For mA AC/DC currents <400mA: Insert RED test lead into
VΩ jack
5
, and BLACK test lead into COM jack
4
, and rotate
function selector switch
2
to the mA AC/DC setting.
• For µA DC currents <400µA: Insert RED test lead into
VΩ jack
5
, and BLACK test lead into COM jack
4
, and rotate
function selector switch
2
to the µA AC/DC setting.
1. To measure current: Remove power from circuit, open circuit at
measurement point, connect meter in-series in the circuit using
the test leads, and apply power to circuit.
2. Measure the current. The meter will auto-range to display the
measurement in the most appropriate range.
Do not attempt to measure more than 10A.
When measuring currents greater than 6A, a measurement
time of 30 seconds followed by 10 minutes of recovery time
is recommended.
Red leadBlack lead
Red leadBlack lead
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Klein Tools MM420 Specifications

General

Brand	Klein Tools
Model	MM420
Category	Multimeter
Language	English