MD 9250 Clamp Meter Series
Operation
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●Non-Contact EF-Detection: An antenna is located along the top-right end of the clamp
jaw, which detects electric field surrounds energized conductors. It is ideal for tracing
live wiring connections, locating wiring breakage and to distinguish between live or earth
connections.
●Probe-Contact EF-Detection: For more precise indication of live wires, such as
distinguishing between live and ground connections, use the Red (+) test probe for
direct contact measurements.
PC computer interface capabilities
The instrument equips with an optical isolated interface port at the meter back for
data communication. Optional purchase PC interface kit AMD 9250 is required to
connect the meter to the PC computer RS232 or USB ports. Press and hold the
HOLD button while turning the meter on to enable meter PC-COMM output.
Hold
The hold feature freezes the display for later view. Press the
HOLD
button momentarily
and release to toggle the hold feature.
5ms CREST-MAX capture mode
Press
CREST
(HOLD) button for one second or more and release to activate CREST-
MAX capture (Instantaneous Peak-Hold) mode to capture signal peak of voltage or
current in duration as short as 5ms. The LCD “
C
” & “
MAX
” turn on. Press again the
button momentarily and release can toggle the combination use of HOLD feature. Press
the button for 1 second or more and release to exit CREST-MAX capture mode. Auto-
ranging and Auto-Power-Off are disabled automatically in this mode.
