Specification Topcon Rotating Laser :
| Model | RL-H3A | RL-H3B |
| Measuring Range (diameter) | Approx. 2 to 700m | Approx. 2 to 400m |
| Horizontal Accuracy | ±1.9mm/50m(±8") | ±2.4mm/50m(±10") |
| Auto Leveling Range | ±3° | ±3° |
| Light Source | 690nm | 690nm |
| Objective Output | 2.0mW | 0.9mW |
| Laser Class | Class 3A | Class 1 |
| Rotating Speed | 600rpm | 600rpm |
| Battery remaining warning | LED flashing | LED flashing |
| Protection against water and clust | IP56 (Based on the standard IEC 60529) | IP56 (Based on the standard IEC 60529) |
| Ambient Temperature | -20°C to +50°C | -20°C to +50°C |
| Dimensions | 220(L)×144(W)×241(H)mm | 220(L)×144(W)×241(H)mm |
| Weight | 2.8kg(Includes batteries) | 2.6kg(Includes batteries) |
| Battery | BT-49Q (Ni-MH) | Dry battery |
| Battery Life (Alkaline Batteries) | 120hours | 120hours |
| Battery Life (Ni-MH battery BT-49Q) | 60hours |
