JJF 1284-2011 (English Version) PDF

Standard No.: JJF 1284-2011
Language: Chinese, Available in English version
Release Date: 2011
Published By: National Metrological Technical Specifications of the People's Republic of China
Latest: JJF 1284-2011

Scope: This specification is applicable to AC and DC ammeter calibrators (hereinafter referred to as "calibrators") with standard voltage, standard current, standard frequency and DC resistance output at all levels of DC level 0.01 and below and AC level 0.05 and below. calibration.

JJF 1284-2011 Referenced Document

GB 4793.1-2007 Safety requirements for electrical equipment for measurement,control,and laboratory use.Part 1:General requirements
GB/T 13978-2008 Digital Multimeters
GB/T 15637-1995 Generic specification for calibrator of digital multimeter
GB/T 6587.8-1986 Line frequency and voltage tests for electronic measuring instruments
JJF 1001-1998 General Terms in Metrology and Their Definitions
JJF 1059-1999 Evaluation and Expression of Uncertainty in Measurement

2011 JJF 1284-2011 Calibration Specification of Calibrators for Electrical Meters
1970 JJF 1284-1990 Technical specification for DC electromotive force sub-reference operation