Total station NIKON NPL 820 Prismless

Total station NIKON NPL 820 Prismless Key Features for NPL 820 Prismless Total Station Coaxial focusing system reflectorless EDM Nikon unique focus beam technology Diameter of laser beam is etched into the reticule for positive target ID High-precision ± ( 3+ 3ppm x D) mm reflectorless EDM 0.5 sec. high-speed tracking measurement time Can be used with standard prisms and reflector sheets Long distance measurement possible ( 5km/ 16, 400 ft. for a single prism) Offers the field-proven features of Nikons DTM-821- Industry standard PCMCIA memory cards; Large, high contrast 256 x 80 pixel graphic LCD; Lumi-Guide tracking light; Advanced power management system; Unique security features including auto backup of all record data; DIN 3" ( 1mgon) accuracy with dual-axis tilt sensor; Powerful selection of on-board applications designed for practical field use; Easy-to-use, sophisticated on-board data recording This is a Class I product, so there are no operational requirements for laser safety or supervision. Specifications for NPL 820 Prismless Total Station Magnification: 26x ( 16x or 32x with optional eyepieces) Accuracy: 3" ( DIN 18723) Display Resolution: 1" / 5" Distance measurement range: Non prism: 6m to 100m ( depends on target surface) . Single prism: up to 5000m ( in non prism mode) Distance measurement: ± ( 3+ 3ppm x D) Laser source: Class I non-visible On-board Ni-MH battery BC-70: 3.5 hours/ approx. 1, 680 measurements ( continuous distance/ angle measurements) ; 9.0 hours ( angle measurements only) Tow batteries included. Weight: Main unit ( approx.) 5.9kg/ 13.0lbs. ( with BC-70 battery)