This part of GB/T 22264 specifies the terms, categorization, classification and conformity of product, technical requirements, packaging, storage and transportation, information, conventional marks and symbols, marks and symbols at terminal and inspection rules of mounted digital display phase meters and power factor meters.
This part is applicable to mounted digital display phase meters and power factor meters, and also applicable to the digital display part of dual analog-digital display phase meters and power factor meters.
This part is not applicable to:
——phase meters and power factor meters only provided with direct acting indicating analogue.
——portable digital display phase meters and power factor meters.
——the instruments for special purpose specified in national standard (or professional standard).
2 Normative References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this part. For dated references, subsequent amendments (excluding corrections), or revisions, of any of these publications do not apply to this part. However parties to agreements based on this part are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies.
GB/T 22264.1-2008 Mounted Digital Display Electric Measuring Instruments Part 1: Definitions and General Requirements Common to All Parts
3 Terms and Definitions
For the purpose of this part, the terms and definitions given in GB/T 22264.1-2008 and the following apply.
3.1
phase meter
the instrument for measuring phase angle between electric quantities with the same frequency
[IEV 313-01-13]
3.2
power factor meter
the instrument for measuring the ratio of active power to apparent power in the circuit
