Measuring Methods - SEFRAM 80 Notice D'utilisation

4. MEASURING METHODS

● Connect color coded alligator clips to the terminals
of a 3-phase power source where a rotating
electrical machine, such as a motor will be
connected. Connecting order may be optional.
● Press the push switch button located on top of
the unit. Keep this button pressed during phase
sequence or open phase check. When the push
switch button is released, it immediately goes off.
● Make sure that all of the three lamps for open
phase check are on. If so, there is no open phase.
When any of the three lamps is not on, there
isopen phase.
Open phase
check lamp
"R" is not on
Open phase
check lamp
"S" is not on
Open phase
check lamp
"T" is not on
Open phase on terminal
where Red alligator
clip is connected
Open phase on terminal
where White(or Yellow)
alligator clip is connected
Open phase on terminal
where Blue(or Black )
alligator clip is connected
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