This specification is applicable to the type evaluation of single and three-phase installed active energy meters (hereinafter referred to as instruments) with frequencies of 50 Hz or 60 Hz. This specification does not apply to instruments with a nominal voltage exceeding 600 V (multiphase instruments with line to neutral voltage), instruments used for connecting electronic transformers (GB/T 20840.8-2007), instruments used for connecting low-voltage current sensors (IEC 61869-10:2018), portable instruments, standard energy meters, and data interfaces for instrument registers. 2. Reference Documents 2. This specification refers to the following documents: JJF 1001 General Measurement Terms and Definitions JJF 1015 General Specification for Type Evaluation of Measuring Instruments JJF 1245.2-2019 Installation AC Energy Meters Type Evaluation Outline Software Requirements JJF 1245.4-2019 Installation AC Energy Meters Type Evaluation Outline Special Requirements and Safety Requirements JJF 1245.5-2019 Installation AC Energy Meters Type Evaluation Outline Functional Requirements GB/T 2423.1-2008 Electrical and Electronic Product Environment Test, Part 2: Test Methods, Test A: Low Temperature (IES 60068-2-1:2007, IDT) GB/T 2423.2-2008 Environmental Testing for Electrical and Electronic Products: Part 2: Test Methods - Test B: High Temperature GB/T 2423.4-2008 Environmental Testing for Electrical and Electronic Products - Part 2: Test Methods: Test Db; Alternating Damp Heat (12 h+12 h Cycle) GB/T 2423.43-2008 Environmental Testing for Electrical and Electronic Products - Part 2: Test Methods - Vibration Installation of Impact and Similar Dynamic Test Samples GB/T 2900.77-2008 Electrotechnical Terminology, Electrical and Electronic Measurement and Instrumentation, Part 1: General Terminology for Measurement GB/T 4208-2017 Degrees of Protection Provided by Enclosures (IP Code) GB/T 15284-2002 Special Requirements for Multirate Electric Energy Meters GB/T 16422.3-2014 Plastic Laboratory Light Source Exposure Test Methods Part 3: Fluorescent UV Lamps GB/T 16927.1-2011 High Voltage Test Techniques Part 1: General Definitions and Test Requirements
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