The ability of the data logger to measure small changes in voltage provided valuable information in optimising the usage of the motor. - Paramount to achieving the best result is accurate current monitoring, so the aim was to measure the voltage drop along one of the power cables and calculate the current draw from that. Tinytag data loggers were recommended and Gemini supplied a voltage data logger which monitors 0 to 2.5V DC. Analysis of the data allowed comparisons of the current drain. Gemini designed the TK-4703 voltage data logger as an economical solution for applications such as this where small changes in voltage need to be accurately recorded.

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