Review on Watt Meter Power Analyzer - Greatlong 200A Power Analyzer with High Precision Digital LCD Screen for Voltage, Current, Power, Charge, and Energy Measurement by Jason Burnside
At least 20% inaccurate
This meter is at least 20% inaccurate on measurements I made with a 50 ohm dummy load versus a Rigol DP831 power supply and a Fluke 287 multimeter 15 V and a 50 ohm load, then compared the current draw of both the Rigol DP 831 and the Fluke versus a 150A power analyzer. Here are my results. Rigol -> 15.01 volts. Power meter 150A -> 14.93V -> 4.65W -> 5.8W -> 0.31 Amps. -> 0.39 amps. Fluke mirrored Rigols' findings almost exactly. Conclusion: This meter has an accuracy of +-20%.
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