Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: EN 62058-21:2010
• Năm ban hành / Publication date: 2010
• Tình trạng / Status: A - Còn hiệu lực
• Tên tiếng Anh / Title in English: Electricity metering equipment (a - c - ) - Acceptance inspection -- Part 21: Particular requirements for electromechanical meters for active energy (classes 0,5, 1 and 2 and class indexes A and B)IEC 62058-21:2008 (Modified)
• Phạm vi áp dụng / Scope of standard: This part of IEC 62058 specifies particular requirements for acceptance inspection of newly manufactured direct connected or transformer operated electromechanical meters for active energy (classes 0,5, 1 and 2) delivered in lots in quantities above 50. The method of acceptance of smaller lots should be agreed upon by the manufacturer and the customer. The process described herein is primarily intended for acceptance inspection between the manufacturer and the purchaser. NOTE It can also be used for other purposes, for example to support initial verification. This European standard applies to meters of accuracy classes 0,5, 1 and 2, as well as to meters of class indexes A and B.