Measuring the contact resistance of EHV (Extra High Voltage) circuit breakers is important for several reasons. First, it is a key parameter for evaluating the performance of the circuit breaker. Excessive contact resistance increases the likelihood of failures, such as welding of contacts, which can result in extended downtime and costly repairs. Additionally, contact resistance measurement is a reliable and sensitive technique that can identify contact problems before they become severe, allowing for proactive maintenance instead of costly reactive repairs. Contact resistance testing is typically carried out as part of routine maintenance programs for EHV circuit breakers. During the test, the resistance of the contacts is measured under a controlled DC voltage to simulate the actual conditions during breaker operations. Measured values are then compared with manufacturer's specifications or previously recorded values to evaluate the condition of the breaker. Dynamic Contact Resistance Measurement (DCRM) is a technique used to measure the contact resistance during a breaker operation . It is used to detect small variations in contact resistance and can identify issues before they become critical. The use of this technique can significantly enhance maintenance activities for EHV circuit breakers, reduce downtime, and prolong the lifespan of the equipment. Contact resistance meter supplier in mumbai DCRM supplier in mumbai DCRM supplier in India Contact resistance meter supplier in India https://www.electricaltestkit.com