| 摘要 |
<p>The invention concerns clip-on ammeter for measuring a current circulating in conductors, comprising first and second jaws (1, 2) linked by a hinge pin (3) to be mobile between a closed position and an open position and respectively provided with first and second sections (4, 5) of an annular magnetic circuit, each section (4, 5) having a proximal end (7, 8) and a distal end (9, 10) relative to the articulation and at least the first section (5) being mounted to pivot about a displacement pin (6) parallel to a hinge pin (3), the ammeter comprising means (12) for spacing the active proximal ends (7, 8) at least when the distal ends (9, 10) are spaced by a distance not less than a predetermined safety distance.</p> |
