Amprobe ACD-45PQ Power-Quality-Clamp - Manual (Page 18)

12
3-Phase 4-Wire (3 4W) Unbalanced-Load Power Function
• Set the slide-switch function-selector to the “3~Un-Bal” Power position.
Press “3W•4W” button momentarily to select 4-Wire measurements.
Annunciator “4W” turns on.
• Clamp the jaws around “Line 1” as reminded by annunciators “ L1”,
and connect Black test probe (COM terminal) to “Line n (neutral)” and
Red test probe (+ terminal) to “Line 1” as reminded by annunciators “
” on mini-display.
• When the reading is stable, press “ ” button momentarily to enter the
first measuring value.
• Then clamp the jaws around “Line 2” as reminded by annunciators “
L2”, and connect Black test probe (COM terminal) to “Line n (neutral)”
and Red test probe (+ terminal) to “Line 2” as reminded by annunciators
“
” on mini-display.
• When the reading is stable, press “ ” button momentarily to enter the
second measuring value.