Megger manufactures two wire non- tripping loop testers. The product is available in models megger ltw315, ltw325 and ltw335. These earth loop testers verify the loop impedance of a live electrical circuit without the need to disconnect the electrical supply. The new ltw300 series of instruments offer a two wire loop testing solution that does not trip. The products can be used on a wide range of voltages. The unique features of the two wire non- tripping loop testers:
