NET 1200 Especificaciones
Telescope
Length 171mm
Objective aperture 45mm (1.8 in.) (EDM: 48mm (1.9 in.))
Magnification 30x
Resolving power 2.5" or better 
Field of view 1° 30' (26m/1,000m)
Minimum focus 1.3m(4.3 ft.)
Reticle illumination 5 brightness levels
Angle Measurement
Type H&V Photoelectric absolute encoder scanning. Both circles adopt diametrical detection
Display resolutions (selectable) 0.5"/1",0.1/02.mgon,0.002/0.005mil
Accuracy 1"/0.3mgon/0.005mil 
Automatic dual-axis compensator Dual-axis liquid tilt sensor. Working range: ±3' (±55mgon)
Display mode H&V Clockwise/counterclockwise selectable
Zenith 0°/horizontal 0° selectable
Distance Measurement
Light source Modulated Near-infrared light-emitting diode
Measuring range 2m(6.6ft) to 100m(328ft) (RS90 reflective sheets target)50m(164ft) to 1000m(3,280ft)(using CPS12 high-precision reflective prism)
Minimum resolution - Fine measurement 0.0001m/0.001m(0.001ft/0.01ft)selectable
Minimum resolution - High-speed measurement 0.001m(0.01ft)
Tracking 0.01m(0.1ft)
Accuracy ± (0.8mm + 1ppm x D)mm, reflective sheet target; ±(2.0+2ppm x D)mm (using CPS12 high precision reflective prism.
Measuring time - Fine measurement Every 4.7s (initial meas. 6.5s)
Measuring time - High-speed measurement Every 3.3s (initial meas. 5.0s)
Display range 0.0001 to 1599.9999m(5249.3332ft)
Atmospheric correction Selectable (1) Direct key-in of temperature and pressure (hPa/mmHg)(2) Direct key-in of temperature, pressure (hPa/mmHg) and humidity (3) Direct key-in of ppm (4) No correction
General
Display Alphanumerics, graphics Dot matrix LCD on each face 20 chars. x 8 lines, 120 x 64 dots, Non-reflective glass, backlight
Keyboard 28 Latex keys on each face (numeric, cursor, edit, power, softkey function, illumination)
Sensitivity of levels - Plate level 20"/2mm
Sensitivity of levels - Circular level 10'/2mm
Optical plummet Image: erect. Magnification: 7x. Minimum focus: 0.5m
Standing (vertical) axis Independent double-axis
Battery level display 4-stage power codes, with message display
Automatic power cut-off 30 minutes after last operation, ON/OFF selectable
Data storage Internal memory capacity 448KB (Approx. 3,000 points)
Interface Asychronous serial, RS-232C compatible, Centronics compatible
Operating temperature -10°C to +40°C (14°F to 104°F)
Water resistance IPX2 (Based on IEC 529/1989)
Size with handle and BDC35 battery 177(W) x 165(D) x 371(H) mm (7.0(H) x 6.5(D) x 14.6(H) in.)
Instrument height (horizontal axis height) 236mm (9.3 in.) from tribrach bottom, 193mm (7.6 in.) from tribrach dish
Weight 6.1kg (13.4 lb.)(including handle and battery)
Power supplies
Voltage 7.2V DC
BDC46A detachable battery Li-Ion rechargeable battery, 2 BDC46A are included as standard accessories
Continuous use per battery  About 6 hours single measurement every 30 seconds at 25°C (77°F)), laser-pointer and target illumination off)
Recharging time per battery Less than 2 hours with CDC61/62/64
BDC12 external Ni-Cd battery (optional) Continuous use about 22.5 hours single measurement every 30 seconds at 25°C (77°F))