| Performance and parameter: |
|
| 1¡¢counting range £¼100h |
| 2¡¢hand ¨Czeroing |
| 3¡¢running accuracy ¡Ü2¡ë |
| 4¡¢working temperature: £40¡æ¡«£«55¡æ |
| 5¡¢working volt : 28. 5¡À3 DC |
| 6¡¢average trouble-free operation times ¡Ý5000 |
| 7¡¢average trouble-free operation time ¡Ü 5000h |
| 8¡¢specifications: diameter 55mm£¬thickness 61mm |
