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  • Accuracy of Shelly devices - Energy - Home Assistant Community
    I have started to measure my consumption using Shelly devices I have installed two Pro 3EM in the electrical distribution board This represents the complete power consumption I have also installed 10 Shelly Plug S Plus These are the main consumers So far, everything looks “plausible”
  • Combining Two Shelly Pro 3EM Energy Meters with Contactors
    This solutions guide illustrates using two Shelly Pro 3EM energy meters paired with Shelly Switch Add-on modules and 63 amp contactors This solution enables users to meter and control two 240v appliances
  • shelly pro 3em vs shelly 3em : r shellycloud - Reddit
    This is the answer I got from Shelly: Yes, the accuracy is better compared to the old 3EM This is due to the better hardware and faster chipset used in the pro version With the new firmware, you have scripts and every other feature that every gen2 devices have We are working on a table for comparing both devices, but it's not ready
  • What is the accuracy of Shelly EM and 3EM for small wattages . . .
    I know, the handbook states the accuracy of the EM is 1% Whatever that means Given the maximum current is 50A or 120A, the maximum wattage is 220V x 50A = 11 0kW, or x 120A = 26 4kW
  • Energy management system – Shelly USA
    The Shelly Pro 3EM monitors the power of each individual phase Deviations in voltage and current or a phase imbalance are recognised and reported immediately In addition, the energy measurement accuracy of the device is precise at plus minus 1 per cent
  • Determine accuracy of Shelly Pro 3EM? - Configuration - Home . . .
    Once I have a couple months of data to compare the two - if they are different - how would I determine which one is inaccurate? That leads to the question, how accurate are clamps when used to measure power? Is that an estimate rather than a more accurate professional way
  • Some questions regarding 3EM (FAQ) - Shelly Forum
    How does the 3EM handle non-linear loads i e: inverter, pc-power supplies etc? What is the accuracy precision of the measurements? Do they comply with any standard?





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