When to use auto update rate on the WT1800E Power Analyzer

Auto-update rate is used when the fluctuation in the input signal period is large, auto should be selected.

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WT1800E - High-Performance

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Power Analyzers and Power Meters

Measure characteristics of devices that generate, transform or consume electricity. Also called power meters or wattmeters, these devices measure parameters such as true power (watts), power factor, harmonics, and efficiency.