testitem 测试名称: testson electric and optical fibre cables under fire conditions - part34:test for vertical flame spread of vertically-mounted bunchedwires or cables - category b电缆和光缆火焰条件下的燃烧试验第34部分 垂直安装的成束电线电缆火焰垂直蔓延试验 b 类testinfo 测试内容: testclausere conditioningconditioned at a temperature of(20 ± 10) °c for at least 16 h before commencinguired:每根长度不少于3.5m,所需根数按照下式计算。总样品数量=n×3.5(m)。n=1000v/(s-sm); n为试件根数; s为电缆截面积,mm2; sm为导体截面积,mm2; a类v取7.0; b类v取3.5; c类v取1.5; d类v取0.5 (请按上式计算) turnaroundtime: normal (9 workingdays)所需时间:标准(9 个工作天)
sample for reference参考图片:
>sample report报告样本:
GB标准,GB测试,GB认证,GB检测,GB质检报告