| Place of Origin |
Tianjin China (Mainland) |
| Brand Name |
SETL |
| Model Number |
SDJ |
Optical plummet or laser plummet or laser theodoltie. Following is the data, Type: SDJ-02, SDJ-05, SDJ-10/20 Image: Erect Field of vies: 1°30’ Magnification: 30X Clear objective aperture: 45mm Shortest focusing distance: 1.35m Resolving power: 3” Minimum reading: 1”/5” Range of compensator: ±3’ Accuracy of circular bubble: 8’/2mm Accuracy of plate bubble:30”/2mm Voltage: 6V Battery life: 15h