Brymen BM157 User Manual page 13

12
●When the reading is stable, press " " button momentarily to enter the second
measuring value. The meter will then calculate, store and display the total 3-Phase
L1 L2 L3" turn on.
Power result automatically. Annunciators "
●Press " " button momentarily again for new measurements.
●Press "SELECT" button momentarily to view (
" "
) the last stored result.
Annunciator " " turns on & flashes. Press "SELECT" button momentarily again to
" "
continue ( ).
3-Phase 4-Wire (3 4W) Unbalanced-Load Power function
●Set the slide-switch function-selector to the "3~Un-Bal" Power position. Press
4W" button momentarily to select 4-Wire measurements. Annunciator "4W" turns
"3W
●
on.
L1", and connect
●Clamp the jaws around "Line 1" as reminded by annunciators "
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.
L2", and
●Then clamp the jaws around "Line 2" as reminded by annunciators "
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.