| 1. | Phase meters , power factor mters and synchroscopes 相位表功率因数表和同步指示器 |
| 2. | Verification requlation of the model bx - 21 lf digital phase meter Bx - 21型低频数字相位计检定规程 |
| 3. | Application of single phase metering chip cs5460a on anti - power stealing three phase meter 在三相防窃电表中的应用 |
| 4. | Balanced phase meter 平衡相位计 |
| 5. | Digital phase meter 数字相位表 |
| 6. | Watthour meters for instrument - transformer connection ; main dimensions for three - phase meters 仪表和传感器连接用的电度表.三相电表的主要尺寸 |
| 7. | Watthour meters in moulded insulation case without instrument transformers , up to 60 a rated maximum current ; principal dimensions for poly - phase meters 最大额定电流在以下的不带仪表互感器模塑 |
| 8. | Watthour meters in moulded insulation case without instrument transformers , up to 60 a rated maximum current ; principal dimensions for single - phase meters 最大额定电流在以下的不带仪表互感器模塑 |
| 9. | Watthour meters in moulded insulation case without instrument transformers , up to 60 a rated maximum current ; principal dimensions for meter terminal cover for poly - phase meters 安装在最大额定电流可达60 a的无仪表变压器模压绝 |
| 10. | Watthour meters in moulded insulation case without instrument transformers , up to 60 a rated maximum current ; principal dimensions for meter terminal cover for single - phase meters 安装在最大额定电流可达60 a的无仪表变压器模压绝 |