Complaint
| Model | DT202C* 1 | DT205C | DT205D |
| Telescope | |||
| Objective lens | 40mm | ||
| Magnification | 30× | ||
| Image | Erect | ||
| Field of view | 1°20′ | ||
| Minimum focus | 2m | ||
| Stadia constant | 0 | ||
| Stadia ratio | 100 | ||
| Angle measurement | |||
| Method | Photoelectric incremental encoder | ||
| Mininum reading | 1″/5″/10″/20″or 0.2mgon/1mgon/2mgon/5mgon | ||
| Accuracy* 2 | 2" | 5" | |
| Diameter of circle | 79mm | ||
| Display | |||
| Display panel | Both | ||
| Illumination | Yes | ||
| Compensator | |||
| Tilt sensors | Yes | Yes | No |
| Compensating Range | ± 3′ | ± 3′ | No |
| Level sensitivity | |||
| Plate level | 30"/mm | ||
| Circular level | 8'/mm | ||
| Power | |||
| Battery | Ni-Mh recharge battery/Alkaline battery | ||
| Operating time | 45 hours(rechargable battery)/80 hours(Alkaline battery) | ||
| Others | |||
| Serial interface | RS-232C Baud rate:9600bps | ||
| Dimension | 153*175*328mm | ||
| Weight | 4.5kg | 4.3kg | |
| Operating temperature | -20ºC - +50ºC | ||
| *1"C" means compensator. "D" means double display | |||
| *2 Standard devitation based on DINI18723 | |||
