Plug-in Electricity or Power Consumption Meters: Difference between revisions
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Few devices provide any information about partial load or consumption in various states, in the manual or labels. A device's label may show the maximum power load of it, but this is likely to be only a momentary situation and may even not be ever reached in normal operation. Some devices may get to the maximum consumption only briefly in operation, such as the case of a washing machine or air conditioning device, while others draw some energy even when powered off or in standby. | Few devices provide any information about partial load or consumption in various states, in the manual or labels. A device's label may show the maximum power load of it, but this is likely to be only a momentary situation and may even not be ever reached in normal operation. Some devices may get to the maximum consumption only briefly in operation, such as the case of a washing machine or air conditioning device, while others draw some energy even when powered off or in standby. | ||
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All of the above means that determining the actual cost impact of using an electrical tool or appliance is very difficult. The energy meter installed on the premise will only show the total energy being consumed and you would have to turn off all devices but your equipment, and operate for possibly a few hours in that state, to collect reliable information. This is not practical. | All of the above means that determining the actual cost impact of using an electrical tool or appliance is very difficult. The energy meter installed on the premise will only show the total energy being consumed and you would have to turn off all devices but your equipment, and operate for possibly a few hours in that state, to collect reliable information. This is not practical. | ||