Technique Data: Level precision: ± 1mm/5m Vertical accuracy: ± 1mm/5m Orthogonal precision: 90(degree) ± 60" Next to point precision: ± 1mm/1.4m Zenith precision: ± 2mm/3m(degree) Automatic anping rang: ± 2.5 (degree) Emission Angle: Vertical ≥ 100 (degree), Level ≥ 120 (degree) Laser wavelength: Vertical and horizontal line 3 x 635nm Next to point: 1 x 635nm Working distance: indoor working radius of about 10nm Laser injection power: under 1nm Power: 4.5V (3 piece of 5# alkaline battery) Continuous working time: about 8 hours Working temperature: -10 degree centigrade - + 45 degree centigrade
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