5Surveying Instruments / Electronic Theodolites / FET 420K
Features
- 2 large easy-to-read LCDs
- Simultaneous reading of horizontal and vertical circle
- Illumination of display and field of view
- Clockwise / anti-clockwise horizontal angle reading
- „0“ set or hold of horizontal circle at any desired position
- „V“ circle reading in gon / degrees or % of slope
Technical data
| Magnification | 30 x |
| Clear objective aperture | 45 mm |
| Shortest focusing distance | 1,4 m |
| Angle measurement | incremental |
| Accuracy | 4 mgon (20'') |
| Minimum reading | 2 mgon (10'') |
| Compensator | Dual axis |
| Measuring units | 400 gon/360°/mil |
| Target | - |
| Lasser class | - |
| Beam diameter | - |
| Maximum visibility | - |
| Deviation | - |
| Optical plummet | 3 x |
| Focusing range | 0,5 - ∞ |
| Plate level | 30''/2 mm |
| Circular level | 8'/2mm |
| Operating time / Power supply | 35 h NiMH/ 40 h Alkaline |
| Theodolite und laser | - |
| Temperature range | -20°C - +50°C |
| Dust / water protection | IP54 |
| Tribrach | detachable |
| Weight | 4 kg |