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Internal memory: surveying data + coordinates data total 8000 points - Data input/output: RS-232C compatible, asynchronous serial - Optical plummet: Erect 3x - Tilt sensor: Liquid type - Compensating range: +/- 3’ - Handle battery BC-80: output voltage: 7.2 v, capacity: 2.4 ah, max.
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Electronic Angle Measurement: V & H angle - Angle accuracy: 3” - Measurement time: Less than 0.3 sec. Tracking/coarse Measurement mode: 0.5 sec. Display 99999.999m - Measurement Time: Repeat Measurement mode: 2.5 sec. Nikon DTM-520 Total Station Specifications: - Magnification: 30X - Image: erect - Distance measurement: 1 Prism: 6600’, 3Prism: 9800’ - Least count in measurement: Single/Repeat meas.
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