Contact Resistance

Electrical interconnections, such as sockets, switches, circuit breaker con-tacts, cable joints, battery intercell con-nections and other connection devices, are affected by factors like residual contact force, vibrations, and corro-sion. These factors generally succeed in compromising the integrity of con-tact interfaces, and eventually lead to degradation and failure of all electrical connections. The time-to-failure varies widely depending on the connection types and environment. Failure is al-ways preceded by a significant in-crease in contact resistance at the electrical interfaces.

LRM-10 - Contact Resistance Measurement Kit

10 Amp Low Resistance Meter for electrical interconnections integrity testing The LRM-10's very low resistances measurments from 0,01 µΩ to 200Ω are targeted toward verifying the quality contact interfaces. (more)

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