Null balance Megger earth tester, patent number 963374, catalogue number 63220, instrument number 2038884, by Evershed and Vignoles Ltd, Acton Lane Works, Chiswick, 1950-68. Null balance Megger earth ...

Megger offers an instrument that can check the safety and operation of level 1 and level 2 EV chargers. The EVCC300 is an all-in-one tool that can be used following manufacture, installation, repair, ...