Standard No.:	GB/T 3927-1983
English Name:	Direct-current potentiometers
Chinese Name:	直流电位差计
Chinese Classification:	N25    AC/DC electrical instrument recording instrument
Professional Classification:	GB    National Standard
Issued by:	China State Bureau of Standards
Issued on:	1983-01-01
Implemented on:	1984-6-1
Status:	abolished
Superseded by:	GB/T 3927-2008 Direct-current potentiometers
Superseded on:	2009-3-1
Abolished on:	2009-03-01
Superseding:	JB 1390-1974
Language:	English
File Format:	PDF
Word Count:	7500 words
Price(USD):	220.00
Delivery:	via email in 1~3 business day

本标准适用于准确度等级为0.0001~0.1〔1ppm~1000ppm(百万分之几)1×106~1×103(科学标记法scientific notation)〕的直流电位差计，并适用于上述电位差计的内附辅助设备。本标准不适用于自动获得零平衡的电位差计，不适用于那些借平衡检测器刻度获得部分指示值的电位差计，也不适用于与电位差计一起使用的外部辅助设备。