IS 691-1984

百检网 2021-08-02
标准号:IS 691-1984
发布日期:1985/4/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:1.1 This standard covers the requirements for the following types of cables suitable for working voltages up to and including 1 100 volts for electrical equipment used in coal mines:a) Flexible cables for use with coal cutters and for similar purposes;b) Flexible cables for use with hand-held portable machines, such as drills and picks; andc) Pliable armoured, flexible cables for use with:i) conveyers, loaders and similar transportable machines, ii) remote control circuits, and iii) coal-face lighting.1.2 Cables covered in this standard may be used in other types of mines also.1.3 These cables are suitable for use where the combination of ambient temperature and temperature-rise due to load results in conductor temperature not exceeding the following for normal sustained operation and for short circuit conditions:Maximum Rated Conductor Maximum Conductor Temperature for Temperature DuringContinuous Operation Short Circuita) Elastomeric insulation 60° C 200°Cfor general serviceb) Heat resisting elasto-meric insulation 90°C 250°C

百检能给您带来哪些改变?

1、检测行业全覆盖,满足不同的检测;

2、实验室全覆盖,就近分配本地化检测;

3、工程师一对一服务,让检测更精准;

4、免费初检,初检不收取检测费用;

5、自助下单 快递免费上门取样;

6、周期短,费用低,服务周到;

7、拥有CMA、CNAS、CAL等权威资质;

8、检测报告权威有效、中国通用;

客户案例展示

  • 上海朗波王服饰有限公司
  • 浙江圣达生物药业股份有限公司
  • 天津市长庆电子科技有限公司
  • 上海纽特丝纺织品有限公司
  • 无锡露米娅纺织有限公司
  • 东方电气风电(凉山)有限公司