Latest articles on LTW425 
Megger new loop tester provides dependable two-wire testing(28/05/2007)
Megger’s LTW300 range of earth loop impedance testers now makes it possible to carry out two-wire loop tests with no risk of tripping 30mA RCDs, even in systems where electronic RCDs are used. As well as saving time and eliminating the risk of incorrect connections, dependable two-wire testing is a major benefit in applications where the neutral is missing or inaccessible, such as light switches, systems with 110V centre-tapped supplies, and many types of luminaire. All of the new testers... [more]
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