Standard No.:	GB/T 3927-2008
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
ICS Classification:	17.220.20 17.220.20    Measurement of electrical and magnetic quantities 17.220.20
Issued by:	AQSIQ; SAC
Issued on:	2008-8-6
Implemented on:	2009-3-1
Status:	valid
Superseding:	GB/T 3927-1983 Direct-current potentiometers
Language:	English
File Format:	PDF
Word Count:	8000 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),1×10-6~1×10-3(科学标记法scientificnotation)]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。