产品规格 Produce Specification
主要技术参数 Main Technical data
1. 执行标准：GB/T 17215.321-2008/IEC 61036:2000；
2. 等级指数：1 级、2 级；
3. 功耗：＜ 2W(10VA)；
4. 参比频率：50Hz；
5. 长期工作不须调校；
6. 三相电源供电，断一相或二相，电能表均正常工作；
7. 温度特性好，-25℃至 60℃温度范围内误差不超过准确度等级；
8. 轻载特性好，仪表在极低负载时工作具有良好的准确度等级；
9. 实际在线计量准确度高；
10. 安装操作简便，安装位置不受影响；
11. 抗运输能力强，仪表在各种正常运输条件下不会引起误差变化，
用户开箱后无须调整。
1. Executive standard: GB/T 17215.321-2008/IEC 61036:2000；
2. Class index: class 1 and class 2.
3. Power consumption: ＜ 2W(10VA)
4. Reference frequency: 50Hz.
5. Needn't to be corrected after working a long time.
6. Supplied with three-phase power, any one phase or two phases fail,
the watt-hour meter still works normally;
7. Good temperature performance: the error shall not exceed accuracy
range within the temperature range -25℃ ~55℃ ;
8. Good light-load performance: the instrument has fine accuracy class
at ultra-light load;
9. High accuracy of actual online measuring;
10. Simple installation and operation; the installation position can't be
affected by anything;
11. Strong ability of transportation resistance: the instrument can't
cause the change of error under kinds of normal.
正常工作条件 Normal working conditions
1. 规定的工作温度范围：-10℃ ~+45℃；
2. 极限工作温度范围：-25℃ ~+60℃；
3. 相对湿度不超过 85% ( 环境温度 +23℃下 )；
4. 空气中不应含有足以引起腐蚀的有害物质。
1. Specified working temperature: -10℃ ~+45℃；
2. Utmost working temperature: -25℃ ~+60℃；
3. Relative humidity: ≤ 85% (at environmental temperature 23℃ )
4. There shall be no harmful substances causing corrosion in the air.
1. Executive standard: GB/T 17215.321-2008/IEC 61036:2000；
2. Class index: class 1 and class 2.
3. Power consumption: ＜ 2W(10VA)
4. Reference frequency: 50Hz.
5. Needn't to be corrected after working a long time.
6. Supplied with three-phase power, any one phase or two phases fail,
the watt-hour meter still works normally;
7. Good temperature performance: the error shall not exceed accuracy
range within the temperature range -25℃ ~55℃ ;
8. Good light-load performance: the instrument has fine accuracy class
at ultra-light load;
9. High accuracy of actual online measuring;
10. Simple installation and operation; the installation position can't be
affected by anything;
11. Strong ability of transportation resistance: the instrument can't
cause the change of error under kinds of normal.
外形及安装尺寸 Outline & installation size
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