MD 9220 True RMS AC/DC Clamp Meter Operation
10
AutoCheck
TM
mode
Set the slide-switch function selector to the
position. This innovative AutoCheck
TM
feature automatically selects measurement function of DCV, ACV or Resistance (
Ω
)
based on the input via the test leads.
•
With no input, the meter displays “Auto” when it is ready.
•
With no voltage signal but a resistance below 6M
Ω
is present, the meter displays
the resistance value. When below 25
Ω
(0.025k
Ω
) is present, the meter further
gives a continuity beep tone.
•
When a signal above the threshold of +1.5 VDC, -1 VDC or 2 VAC up to the
rated 600V is present, the meter displays the voltage value in appropriate DC or
AC, whichever larger in peak magnitude.
•
Overload-Alert Feature: When above rated 600V is present, the meter displays
“OL” with a warning beep tone for over-range indication. Disconnect the test
leads from the signal immediately to avoid hazards.
Note:
•
Range-Lock Feature: When a measurement reading is being displayed in
AutoCheck
TM
mode, press the RANGE button momentarily 1 time can lock the
function-range it was in. The LCD annunciator “
” turns off. Range-lock can
