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Product introduction |
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EMT-3P (S) S three-phase electronic watt hour meters are used for power supply enterprises, factories, enterprises, lighting facilities, and commercial and agricultural activities. The meter adopts international famous brand large integrated circuit, 16 bit A/D converter, digital multiplier, digital sampling processing technology and SMT technology, and a new type of electric energy meter is designed and developed according to the actual situation of industrial power users. The instrument is applicable to three-phase active electric energy with a frequency of 50/60 HZ. The instrument is an advanced and reliable measuring equipment with LCD display, IR and RS485 communication. |
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Product performance and parameters |
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1)Specifications |
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TYPE |
CLASS |
RATED OLTAGE |
STANDARD |
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Three Phase |
1.0 class |
3×100V |
3×6(1.5)A |
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3×380V |
3×6(1.5)A |
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Three Phase |
3×57.7/100V |
3×6(1.5)A |
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3×220/380V |
3×6(1.5)A |
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3×10(2.5)A |
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3×20(5)A |
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3×60(10)A |
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3×80(20)A |
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2)Starting |
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When the rated voltage, rated frequency and power factor is 1.0, the loaded current is 0.004Ib(class1)、0.005Ib(class2), the meter shall starts and measures energy continuously. |
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3) Creeping |
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When the voltage circuit is loaded with a voltage 1.15 times of the rated voltage and there is no current in the current circuit, the meter is supposed not to output more than one pulse. |
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4) Working Voltage Range |
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Normal Working Voltage:0.9Un~1.1Un |
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Working Voltage Limit:0.0Un~1.15Un |
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5) Power Loss |
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Power loss of the voltage line in each phase≤2W/10VA |
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Power loss of the current line in each phase≤4.0VA |
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6) Environment condition |
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standard working temperature:-10℃~+45℃, |
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working temperature limit:-25℃~+55℃ |
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Storage and transport temperature limit:-25℃~+70℃ |
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Relative humidity: annual average≤75% |
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7) Safety Performance |
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The product meets each safety index and requirement stipulated in GB/T 17215-2008 |
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