JUPITER
IT - 15
5.5. PHASE SEQUENCE AND PHASE CONCORDANCE WITH 1 TERMINAL
CAUTION
Input AC voltage to carry out this test must be in range 130V ÷ 690V with
a frequency in range 42.5Hz ÷ 69Hz.
This test can only be performed by touching the metal parts of the
conductors.
Fig. 12: Use of the instrument for phase sequence and phase concordance test
1. Select position . Message “PH 1” flashes on the display.
2. Insert the red lead into input terminal V
L
3. Position the red lead onto phase L1 of the three-phase system to be tested (see Fig.
12). The following messages may appear on the display (see Fig. 13) to identify the
presence of a voltage signal with frequency out of range 42.5Hz ÷ 69Hz. In these
conditions, the instrument does not perform the test.
Fig. 13: Signal of voltage with wrong frequency
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