Standard No.:	DL/T 845.2-2004
English Name:	General specifications for measuring resistance equipments Part 2: Power frequency earth resistance testers
Chinese Name:	电阻测量装置通技术条件 第2部分:工频接地电阻测试仪
Chinese Classification:	F24    Electric power testing technique
Professional Classification:	DL    Professional Standard - Electricity
Issued by:	NDRC
Issued on:	2004-3-9
Implemented on:	2004-6-1
Status:	superseded
Superseded by:	DL/T 845.2-2020 General specifications for measuring resistance equipment-Part 2:Power frequency ground resistance testers
Superseded on:	2021-2-1
Language:	English
File Format:	PDF
Word Count:	7000 words
Price(USD):	210.00
Delivery:	via email in 1~3 business day

DL/T 845的本部分规定了工频接地电阻测试仪(以下简称地阻仪)的术语和定义、分类、技术要求、试验方法、检验规则和标志、包装、运输、贮存。
本部分适用于通过电流极注入测试电流，通过电压极获得相关的电位，能直接显示测量值的接地电阻测试仪。
本部分不适用于手摇发电机供电的接地电阻测试仪。也不适用于特殊用途的接地电阻测试仪，如防爆式接地电阻表、冲击接地阻抗测量装置等。