. These machines monitor the daily power usage and help power companies effectively calculate the amount in co-relation to the consumption. However, using a poor quality machine can result in miscalculations and harm machines without giving any warning. It is therefore advised to do thorough research before choosing an electric power meter in order to avoid accidents. There are several reliable sources that offer power quality clamp meters for troubleshooting and power quality analyzers for predictive maintenance. Power quality loggers are beneficial in helping capture power fluctuations and control load on machines. If bought from a valued source, these devices can certainly help eliminate damage due to power fluctuations.