| no. | file name | download |
| 1 | dp3 1/2 digital voltage/ampere meter |  |
| 2 | ci series multi-function counter user manual | |
| 3 | cl series line speed _ length (count) instrument operating instructions | |
| 4 | cm series of counter timer instruction manual | |
| 5 | cl series line speed _ length (count) instrument operating instructions | |
| 6 | tcn series counter instruction manual（b） | |
| 7 | tcn button to set the counter manual | |
| 8 | cx series intelligent counter/timer | |
| 9 | hd series timer relay | |
| 10 | djz8080m series of multi - channel dc electronic energy meter | |
| 11 | ci series of multi-function timer counter operating instructions | |
| 12 | ddzy8080-l series single-phase rail installation type energy meter operating instructions | |
| 13 | dtsd8080 dssd8080 three-phase intelligent energy meter technical manual | |
| 14 | du8 | |
| 15 | dtsd8080l series din rail mounting 3 phase energy meter user manual | |
