序号No.

检  验  项  目 Test Item

单   位Unit

标 准 值Standard Value

实  测   值Measured value

单项评定Individual assessment

1

结构尺寸检查 Structural Inspection

1.1

导体中少单线根数 The minimum number of single wires in the conductor

根

6

10     10     10

合格qualified

1.2

绝缘厚度 Insulation thickness

        —— 平均厚度Average thickness         ≥

mm

1.0

1.0    1.0    1.0

合格qualified

        —— BO厚度  Thinnest thickness       ≥

mm

0.80

0.95   0.95   0.96

合格qualified

        —— 颜色 Color

1.3

内护层厚度 Inner sheath thickness

mm

0.4

0.4

合格qualified

1.4

铠装  Armoured     钢带层数/厚度Steel tape layers/Thickness

2/ mm

2/0.5

2/0.5

合格qualified

                宽度 Width

mm

35

35

合格qualified

1.5

护套 Sheath

         ——平均厚度 Average thickness         

mm

1.8

合格qualified

         ——BO厚度  Thinnest thickness      ≥

mm

1.24

1.70

合格qualified

1.6

电缆外径 Cable outer diameter

mm

33.7

合格qualified

2

XLPE绝缘热延伸试验 XLPE insulation thermal extension test

负荷Load：20N/cm²,200℃/15min

2.1

负载下伸长率  Elongation under load             　≤

%

175

130

合格qualified

2.2

冷却后永JIU伸长率      

Permanent elongation after cooling             ≤

%

15

4

合格qualified

3.1

20℃时导体电阻

　Conductor resistance at 20°C　　　       ≤

Ω/km

0.387

0.384  0.384  0.384

合格

3.2

成品交流电压试验

Product  AC voltage test

kv/ min

3.5/5

不击穿

Does not break down

通过

4

表观Exterior

4.1

标志间距离   Distance between signs                ≤

mm

550

380

符合

4.2

标志/表观Sign/Exterior

内容完整，清晰耐擦/光洁圆整The content is complete, clear and clean/ Not easy to erase

符合

结论： 

Conclusion

     经检验，产品符合GB/T12706 -2008标准要求，准予出厂。

    After inspection, the product meets the requirements of GB/T12706-2008 standard and is approved for delivery