Standard No.:	GB 12476.9-2010
English Name:	Electrical apparatus for use in the presence of combustible dust—Part 9:Test methods—Method for determining the electrical resistivity of dust in layers
Chinese Name:	可燃性粉尘环境用电气设备 第9部分：试验方法 粉尘层电阻率的测定方法
Chinese Classification:	K35    Explosion-proof electric apparatus
Professional Classification:	GB    National Standard
ICS Classification:	29.260.20 29.260.20    Electrical apparatus for explosive atmospheres 29.260.20
Issued by:	AQSIQ; SAC
Issued on:	2010-8-9
Implemented on:	2011-8-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	4000 words
Price(USD):	110.00
Delivery:	via email in 1~3 business day

本部分规定了运用直流电压测定粉尘层电阻率的试验方法。该方法适用于可燃性粉尘环境用电气设备的设计、制造、试验和使用。
该方法不适用于公认的火炸药或类似物质。