No. 4050 NABON

For 1st order levelling, precision levelling of ground subsidence, deformation measurements as well as for engineer’s measurements of highest precision in machine- and airplane construction. Very bright telescope (aperture 50 mm) and very high magnification (42x), reading of the telescope level (8“/2 mm) by optical coincidence in the telescope field of view. Micrometer with plane parallel glass plate (measuring range 5 mm; reading 0,05 mm)., Mean error per km according to DIN 18723: +/- 0,2 mm.

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Accessories: High precision INVAR rod, length 3 m, graduation interval 0,5 cm No. 03786 NINVA Wooden carrying case for 2 INVAR rods No. 03790 NIKAS Large footplate, approx. 5 kg No. 3547 NAHIL NABON, however with plane plate micrometer for industrial measurements, measuring range +/- 2 mm, reading 0,02 mm No. 4760 Precision scale, length 250 mm, graduation 2 mm, suitable for plane plate micrometer for industrial measurments No. 564 Magnetic holder for precision scale No. 562