Adjustable multipurpose three-phase test set
A test device and multi-purpose technology, applied in the direction of phase sequence/synchronization indication, etc., can solve the problems of increasing preparation time, short circuit between phases, affecting the progress of test work, etc., to avoid accidental hang and contact, avoid interphase short circuit accidents, The effect of avoiding low-voltage electric shock accidents
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[0031] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0032] figure 1 Among them, the technical solution of the present invention provides an adjustable multi-purpose three-phase test device, including a three-phase tester, which is provided with a test rod with left, middle and right phase contact probes 1, 2, 3 at the front end; The above-mentioned left, middle and right phase contact probes are respectively connected to the three signal input terminals of the three-phase tester (7a is taken as an example in the figure, the same below) through wires (5a is taken as an example in the figure, the same below); The three-phase tester described above is fixed on the hand-held rod 9 of the test rod; on both sides of the cross bar 4 at the front end of the test rod, a rotatable spring clip 11 and 12 are respectively set; the contact probes of the left and right two phases are respectively It is fixed on the ro...
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