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　　The first:The general direct-powered single-phase meter and three-phase meter can directly read the number to minus the last reading, which is the power of this stage.Direct electric BALMUDA电风扇维修网点 meter lines are thicker,Carefully observe that there is no transformer connection.

　　Second:Three-phase electric meter connected by a current transformer connection to three-phase meter,Electric meter wiring10Root wiring,To observe the current ratio BALMUDA净化器售后网点 of the current transformer,Current transformer's brand name,It's all a digital ratio5Indicate,E.g 100/5 150/5 Wait,The number read by the meter is measured by the current ratio.,Accurate additional damage and line loss.

　　Third: How to watch the electric meter?Single-phase meter metering three-phase electricity,The power reading method is the manner of direct connection BALMUDA中国不工作 meter reads the number of the meter.3,If the meter connected by the transformer is to read the meter number by transformer current multiple multiplication3.

　　Fourth:Smart meter has only one LCD screen,If BALMUDA净化器在那修 it is a single phase, there will be a total power and the remaining power.,Direct reading can.in the case ofICCard meter,Only the light tube is displayed is a single graphic card.There will be a small red point on the electric meter.,Red dots jump to always use,Jump to the remaining there is the rest.Double graphic card,Read or below.Direct reading of three-phase prepaid meter,Reading of mutually-sensing tables multiplied by transformer.