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 |