| NO. | File Name | Download |
| 1 | CL series line speed _ length (count) instrument operating instructions |  |
| 2 | CH Series of Multi-Function Counter Timer Manual | |
| 3 | PQ7 series rail mounted single-phase energy meter operating instructions | |
| 4 | PQ12 series rail mounted multi-function three-phase energy meter operating instructions.pdf | |
| 5 | DR9 Series 3 Phase Multi-function Power Recorder Operation Manual |  |
| 6 | DR9 Series 3 Phase Multi-function Power Recorder | |
| 7 | DS7E Series 3 Phase Power Meter User Manual(B Version) | |
| 8 | DS7L Series 3 Phase Intelligent Power Meter Operation Manual (Version B has been discontinued) | |
| 9 | DS9E Series 3 Phase Power Meter User Manual(B Version) | |
| 10 | DS9L Series 3 Phase Inteligent Coulometer User Manual | |
| 11 | DS9 Series 3 Phase Voltage and Current Meter Operating Instructions (Discontinued) | |
| 12 | DU8 Single-Phase Electric Parameter Measuring Instrument Operation Manual (Discontinued) | |
| 13 | DU8W | |
| 14 | DTSD8080M-4Q series of three-phase electronic multi-loop watt-hour meter manual | |
| 15 | DP3-SVA series sensor display special table manual | |
