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rs485屏蔽双绞线RVVSP2*2*0.5通讯软电缆
耐火铜芯聚氯乙烯绝缘绞型连接用软电缆TheFire-proofCopperconductorPVCinsulatedtwistedflexiblecable型号规格TypeandSizeNHRVS-300/300V2×1.0mm²检验项目TestItems单位Unit标准要求StandardRequirement检验结果TestResults1.20℃时导体直流电阻DCresistanceofconductorat20℃Ω/KM≤19.519.42.工频交流电压试验PowerfrequencyACvoltagetest-施加2.0KV5min不击穿NobreakdownatACvoltage2.0kV,5min通过Pass3.绝缘厚度平均值Averagethicknessofinsulationmm≥0.60.74.绝缘厚度点Minimumthicknessofinsulationmm≥0.440.61
rs485屏蔽双绞线RVVSP2*2*0.5通讯软电缆
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