1) Transformer Clamp Jaws for
AC current magnetic field pick
up
2) Jaw marking lines for ACA
(& thus Power) position error
indication
3) Hand/Finger Barrier to
indicate the limits of safe
access to the jaws during
current measurements
4) Push-buttons for special
functions & features
5) Input Jack for all functions
EXCEPT non-invasive ACA
current (& thus Power) function
6) Common (Ground
reference) Input Jack for all
functions EXCEPT non-
invasive ACA current (& thus
Power) function
7) Slide-switch Selector to turn
the power ON/OFF and Select
a function
8) LCD display
9) Jaw trigger for opening the
transformer clamp jaws
10) Jaw center Indicators, at
where best ACA (& thus
Power) accuracy is specified