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19xx/29xx-C1 Power Meter: Continuous Data Collection via USB Using the Ring Buffer Command

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19xx/29xx-C1 Power Meter: Continuous Data Collection via USB Using the Ring Buffer Command

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There are times when it is more advantageous to continually feed data from a power meter directly to a computer, than to download the data buffer to a memory device for eventual upload to data analysis software. Valuable time and data can be lost during the interval required to download the power meter buffer, clear the buffer, and restart data collection. Continual data feed directly from the power meter to the computer would be a much better. At this time, however, the command set for the 19xx/29xx-C power meters does not allow for this option. A possible alternative is to set the buffer of the power meter into ring mode. The default of the power meter is to automatically set the data collection buffer into fixed size mode. In this mode the buffer will continue to store data samples until the buffer is filled. The data can then be downloaded to a USB memory stick and transferred to a computer for future analysis. This system works fine for short runs or limited data gathering. However, if data acquisition requirements are for a continuous run of several hours or days, this data collection and transfer process can become inconvenient.

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