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In our daily life, we can't live without electricity, we need to use the equipment of electricity, the consumption of electricity needs to be traded fairly, the electronic multi-function meter as electricity measurement instrument is the basis for the operation and settlement of electric power enterprises, is also an important link in the security of the power grid, the livelihood of the majority of electricity users fundamental interests.
In our daily life, we can't live without electricity, we need to use the equipment of electricity, the consumption of electricity needs to be traded fairly, the electronic multi-function meter as electricity measurement instrument is the basis for the operation and settlement of electric power enterprises, is also an important link in the security of the power grid, the livelihood of the majority of electricity users fundamental interests.
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single measurement unit active energy meter or reactive energy meter, its measurement unit has 1 way voltage circuit and 1 way current circuit (single-phase two-wire circuit); such as single-phase smart meters, single-phase prepaid meters |
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single measurement unit active energy meter or reactive energy meter, its measurement unit has 1 way voltage circuit and 2 way current circuit (single-phase two-wire or single-phase three-wire circuit, when the voltage circuit is connected across the outer conductor); single-phase anti-tamper meter, single-phase three-wire energy meter |
| 3 |  |
Two measuring units of active energy meter or reactive energy meter, each of which has 1-channel voltage circuit and 1-channel current circuit. The current circuit of each measuring unit is connected to the outside of the single-phase three-wire circuit, and the corresponding voltage circuit is connected between the outer conductor and the middle line; single-phase three-wire energy meter |
| 4 |  |
Two measuring units of active energy meter or reactive energy meter, each of which has 1-channel voltage circuit and 1-channel current circuit. The current circuit of each measuring unit is connected to the outside of the single-phase three-wire circuit, and the corresponding voltage circuit is connected between the outer conductor and the middle line; single-phase three-wire energy meter |
| 5 |  |
Two measuring unit active energy meter or reactive energy meter, each of its measuring unit has 1 way voltage circuit and 1 way current circuit, and connected for two watt meter method (three-phase three-wire circuit); three-phase three-wire energy meter |
| 6 |  |
Three measuring units of active energy meter or reactive energy meter, each measurement unit has a voltage circuit and a current circuit, and connected to the three-watt meter method (three-phase four-wire circuit); such as three-phase energy meter, three-phase smart meter |
| 7 |  |
Two measuring unit active energy meter or reactive energy meter, each measuring unit has a voltage circuit and a current circuit, and the measuring unit is connected to two phases of the two-phase three-wire circuit; two-phase three-wire energy meter |
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