Klein Tools MM400 User Manual

11
OPERATING INSTRUCTIONS
AC/DC CURRENT
NOTE: The meter defaults to AC measurement. Press the "SEL"
button
10
to toggle between AC and DC modes. The AC or DC icon
on the LCD indicates which mode is selected.
1. Attach test leads to the appropriate jacks and rotate function
selector switch
2
to the appropriate setting as follows:
• For AC/DC currents >400mA and <10A: Insert RED test lead into
10A jack
3
, and BLACK test lead into COM jack
4
, and rotate
function selector switch
2
to the 10A AC/DC setting.
• 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.
Red lead Black lead
Red lead
Black lead
Red lead
Black lead
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Klein Tools MM400 Specifications

General

Product type	Digital multimeter
DC voltage range	600 - 600 V
Measuring category	CAT III 600V
Placement supported	Handheld multimeter
Resistance resolution	40 Ω
Resolution (frequency)	50 Hz
Temperature measurement range	-18 - 538 °C
Display digits	4000 digits
Battery type	AAA
Power source	Battery
Number of batteries supported	2

Weight and Dimensions

Depth	152 mm
Width	80 mm
Height	45 mm
Weight	231 g