Leica NA2 / NAK2 Auto Level
Precision Levels for all your stringent requirements.
Leica NA2 and Leica NAK2 are two universal automatic levels meet all the requirements of precision leveling.
Leica’s top-class optical quality gives the NA1 & NAK2 a bright high contrast image.
Feature and Benefit
- push button compensator check
- endless horizontal drive for left and right handed users.
- Coarse and fine focusing knob
- Play-free footscrews
- Optional eyepieces available
- Top-class optics
| Technical Data | NA2 / NAK2 |
| Accuracy* | 0.7 mm (dependent on staff, technique) 0.3 mm (with parallel-plate micrometer) |
| Magnification | Standard: 32x FOK73 eyepiece (optional): 40x |
| Shortest focusing distance | 1.6 m |
| Compensator setting accuracy | 0.3” |
* Per 1 km double run
To improve accuracy a parallel plate micrometer can fitted over the telescope objective. The parallel plate micrometer permits direct readings to 0.1mm and estimated readings to 0.01mm. this makes the NA2 and NAK2 an ideal precise level for deformation studies or industrial measuring tasks.
The NAK2 model has an internal glass circle for reading horizontal angles. Combined with the stadia calculation of distances from staff readings the NAK2 circle adds the application benefit of detail survey work.
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Description
Having been designed by Surveyors and Development Engineers with years of experience and who know what a field instrument has to be able to do, the NA2 universal auto level meets all requirements regarding precision, convenience and reliability, and the rugged NA2 series is indifferent to weather conditions and is extremely reliable in the rough world of the building site. The pendulum compensator is protected against knocks and shocks, thanks to a highly-effective vibration-damping mechanism.
The telescope is of excellent quality and gives a bright, high-contrast, erect image, even in poor light – an essential for accurate leveling. With the standard eyepiece the magnification is 32×, the optimum for most applications of the instrument. Optional eyepieces are available; the 40X may be preferred for precise leveling, the 25X in hot, shimmer conditions. Eyepiece exchange takes only a second or so. The general layout of the controls, the smooth friction-braked rotation of the instrument, and the endless horizontal drive with bilateral knobs, all combine to make the instrument easy to use.
Specification
- Standard deviation for 1 km double-run leveling, depending on type of staff and on procedure: up to 0.7 mm
- With parallel-plate micrometer: 0.3 mm
- Telescope: erect image
- Standard eyepiece: 32×
- Clear objective aperture: 45 mm
- Field of view at 100 m: 2.2 m
- Shortest focusing distance: 1.6 m
- Multiplication factor: 100
- Additive constant: 0
- Working range of compensator: ~30’
- Setting accuracy of compensator (stand. dev.): 0.3″
- Sensitivity of circular level: 8’/2 mm
- Glass circle (K version): 400 gon (360°)
- Graduation diameter: 70 mm
- Graduation interval: 1 gon (1°)
- Reading by estimation to: 10 mgon (1’)
- Water- and dust resistance: IP53
- Temperature range:
- Operation –20°C to +50°C (– 4°F to 122°F)
- Storage –40°C to +70°C (–40°F to 158°F)
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