ZHCUD84 August 2025
表 4-5 详细说明了频率结果的变化。
| 频率 | ERROR 1 | ERROR 2 | ERROR 3 | ERROR 4 | ERROR 5 | 平均误差 % | 与基准的差值 | 限值 (%) [0.1 级] | 限值 (%) [0.2 级] | 脉冲 |
|---|---|---|---|---|---|---|---|---|---|---|
| 测试电流 (TA) | ||||||||||
| 1.5 | 1.5 | 1.5 | 1.5 | 1.5 | ||||||
| 50(REF) | -0.249 | -0.277 | -0.26 | -0.217 | -0.226 | -0.2458 | (基准) | REF | REF | 6 |
| 49 | -0.305 | -0.234 | -0.253 | -0.252 | -0.28 | -0.2648 | 0.019 | ±0.05 | ±0.1 | 6 |
| 51 | -0.209 | -0.223 | -0.217 | -0.193 | -0.173 | -0.2030 | 0.043 | ±0.05 | ±0.1 | 6 |
| 60(REF) | -0.153 | -0.180 | -0.109 | -0.088 | 0.028 | -0.1004 | (基准) | REF | REF | 6 |
| 58.8 | -0.045 | -0.043 | -0.056 | -0.043 | -0.06 | -0.0494 | 0.051 | ±0.05 | ±0.1 | 6 |
| 61.2 | -0.032 | -0.029 | -0.019 | -0.026 | 0 | -0.0212 | 0.079 | ±0.05 | ±0.1 | 6 |
| 测试电流 (TA) | ||||||||||
| 15 | 15 | 15 | 15 | 15 | ||||||
| 50(REF) | -0.205 | -0.206 | -0.203 | -0.198 | -0.204 | -0.2032 | (基准) | REF | REF | 58 |
| 49 | -0.233 | -0.241 | -0.239 | -0.242 | -0.235 | -0.2380 | 0.035 | ±0.05 | ±0.1 | 58 |
| 51 | -0.171 | -0.168 | -0.172 | -0.17 | -0.169 | -0.1700 | 0.033 | ±0.05 | ±0.1 | 58 |
| 60(REF) | 0.005 | 0.014 | 0.016 | 0.008 | -0.002 | 0.0082 | (基准) | REF | REF | 58 |
| 58.8 | -0.013 | -0.009 | -0.015 | -0.009 | -0.012 | -0.0116 | 0.020 | ±0.05 | ±0.1 | 58 |
| 61.2 | 0.012 | 0.009 | 0.008 | 0.01 | 0.011 | 0.0100 | 0.002 | ±0.05 | ±0.1 | 58 |