Total Station Nikon DTM-322

Total Station Nikon DTM-322 DISTANCE MEASUREMENT Range with Nikon specified prisms Good conditions ( No haze, visibility over 40 km ( 25 miles) ) With reflector sheet ( 5 5 cm) 5 m to 100 m ( 16 4 ft to 328 ft) With mini prism 2 5 cm ( 1 in) 1, 200 m ( 3, 930 ft) With single prism 6 25 cm ( 2 5 in) 2, 300 m ( 7, 540 ft) With triple prism 3, 000 m ( 9, 840 ft) Normal conditions ( Ordinary haze, visibility approx 20 km ( 12 4 miles) ) With reflector sheet ( 5 5 cm) 5 m to 100 m ( 16 4 ft to 328 ft) With mini prism 2 5 cm ( 1 in) 1, 000 m ( 3, 280 ft) With single prism 6 25 cm ( 2 5 in) 2, 000 m ( 6, 560 ft) With triple prism 2, 600 m ( 8, 530 ft) Accuracy ( Prism/ Precise mode1) ( 3 2 ppm D) mm Measuring interval2 Prism mode Precise mode 1 6 sec ( initial 1 6 sec ) Normal mode 1 0 sec ( initial 1 4 sec ) Least count Precise mode 1 mm ( 0 002 ft) Normal mode 10 mm ( 0 02 ft) ANGLE MEASUREMENT DIN 18723 accuracy ( horizontal and vertical) 5" / 1 5 mgon Reading system Photoelectric detection by incremental encoder Circle diameter 88 mm ( 3 46 in) Horizontal angle Single Vertical angle Single Minimum increment ( Degree, Gon, MIL6400) Degree: 1/ 5/ 10" Gon: 0 2/ 1/ 2 mgon MIL6400: 0 005/ 0 02/ 0 05 mil TELESCOPE Tube length 158 mm ( 6 2 in) Image Erect Magnification 33 ( 21 / 41 with optional eyepieces) Effective diameter of objective 45 mm ( 1 77 in) EDM 50 mm ( 1 97 in) Field of view 1 20' Resolving power 2 5" Minimum focusing distance 1 5 m ( 4 92 ft) TILT SENSOR Type Single-axis Method Liquid-electric detection Compensation range 3' Setting accuracy 1" COMMUNICATIONS Communication ports 1 x serial ( RS-232C) POWER Clip-on rechargeable battery system 4x AA Ni-MH Battery Operating time3 approx 6 hours( continuous distance/ angle measurement) approx 15 hours ( distance/ angle measurement every 30 seconds) Charging time Full charge approx 4 hours GENERAL SPECIFICATIONS Level vials Sensitivity of Plate level vial 30? / 2 mm Sensitivity of Circular level vial 10? / 2 mm Optical plummet Image Erect Magnification 3 Field of view 5 Focusing range 0 5 m ( 1 6 ft) to  Display Single side, graphic LCD ( 128 64 pixel) Point memory 10, 000 records Dimensions ( W D H) 168 mm 173 mm 335 mm ( 6 6 in 6 8 in 13 2 in) Weight ( approx ) Main unit ( without battery) 4 8 kg ( 10 6 lb) Battery 0 2 kg ( 0 4 lb) Carrying case 2 4 kg ( 5 3 lb) ENVIRONMENTAL Ambient temperature range ? 20 C to 50 C ( ? 4 F to 122 F) Atmospheric correction Temperature range ? 40 C to 55 C ( ? 40 F to 131 F) Barometric pressure 400 mmHg to 999 mmHg/ 533 hPa to 1, 332 hPa/ 15 8 inHg to 39 3 inHg Dust and water protection IP55 Complete With : * 2 x Aluminium Tripod * 1 x Prisma Polygon * 1 x Range Pole * 1 x Single Prism * 1 x Cable Data * 1 x Software Data