Manual
16
NikoN Products
Nikon Theodolites
NikoN Products
SpecificationS ne-100 ne-101 ne-102 ne-103
ANGLE MEASUREMENT
Reading system photoelectric incremental encoder photoelectric incremental encoder photoelectric incremental encoder photoelectric incremental encoder
Circle diameter 79 mm (3.1 in) 79 mm (3.1 in) 79 mm (3.1 in) 79 mm (3.1 in)
Unit of reading degree/gon/mil degree/gon/mil degree/gon/mil degree/gon/mil
Minimum digital reading 10/20", 2/5 mgon, 0.05/0.1 mil 5/10", 1/2 mgon, 0.02/0.05 mil 5/10", 1/2 mgon, 0.02/0.05 mil 5/10", 1/2 mgon, 0.02/0.05 mil
Accuracy (DIN 18723) 10"/3 mgon 7"/2 mgon 5"/1 mgon 5"/1 mgon
TELESCOPE
Eective diameter of objective 45 mm (1.8 in) 45 mm (1.8 in) 45 mm (1.8 in) 45 mm (1.8 in)
Magnication 30x 30x 30x 30x
Image erect erect erect erect
Field of view 1°20' (2.3 m @ 100 m/2.3 ft @ 100 ft) 1°20' (2.3 m @ 100 m/2.3 ft @ 100 ft) 1°20' (2.3 m @ 100 m/2.3 ft @ 100 ft) 1°20' (2.3 m @ 100 m/2.3 ft @ 100 ft)
Minimum focusing distance 0.7 m (2.3 ft) 0.7 m (2.3 ft) 0.7 m (2.3 ft) 0.7 m (2.3 ft)
Stadia multiplier constant 100 100 100 100
Stadia additive constant 0 0 0 0
Reticle illuminator Yes Yes Yes Yes
AUTOMATIC VERTICAL COMPENSATOR
Type — — — liquid-electric detection
Working range — — — ±3’ (out-of-range warning provided)
DISPLAY/KEYPAD
Front
Type dot-matrix LCD (20 characters x 2 lines) dot-matrix LCD (20 characters x 2 lines) dot-matrix LCD (20 characters x 2 lines) dot-matrix LCD (20 characters x 2 lines)
Backlight 1-level illumination 1-level illumination 1-level illumination 1-level illumination
Keypad 5 buttons 5 buttons 5 buttons 5 buttons
Rear
Type — — dot-matrix LCD (20 characters x 2 lines) dot-matrix LCD (20 characters x 2 lines)
Backlight — — 1-level illumination 1-level illumination
Keypad — — 5 buttons 5 buttons
OPTICAL PLUMMET
Magnication 2.2x 2.2x 3x 3x
Field of view 5° 5° 5° 5°
Focus range 1.3 m (4.3 ft) xed 1.3 m (4.3 ft) xed 0.5 m (1.6 ft) to innity 0.5 m (1.6 ft) to innity
LEVEL SENSITIVITY
Plate level 60"/2 mm 40"/2 mm 30"/2 mm 30"/2 mm
Circular level 10'/2 mm 10'/2 mm 10'/2 mm 10'/2 mm
LEVELING BASE
Type
detachable detachable detachable detachable
AMBIENT TEMPERATURE RANGE –20 to 50 C (–4 TO 122 °F) –20 to 50 C (–4 TO 122 °F) –20 to 50 C (–4 TO 122 °F) –20 to 50 C (–4 TO 122 °F)
ENVIRONMENTAL RATING IP54 IP54 IP56 IP56
DIMENSIONS
Instrument
153.5 x 172 x 334 mm (6.0 x 6.8 x 13.1 in) 153.5 x 172 x 334 mm (6.0 x 6.8 x 13.1 in) 153.5 x 172 x 334 mm (6.0 x 6.8 x 13.1 in) 153.5 x 172 x 334 mm (6.0 x 6.8 x 13.1 in)
WEIGHT
Instrument 4.5 kg (9.8 lb) 4.5 kg (9.8 lb) 4.5 kg (9.9 lb) 4.6 kg (10.1 lb)
Carrying case 2.5 kg (5.4 lb) 2.5 kg (5.4 lb) 3.9 kg (8.6 lb) 3.9 kg (8.6 lb)
POWER SUPPLY
Battery type 1.5 V AA x 6 1.5V AA x 6 1.5 V AA x 6 1.5 V AA x 6
Continuous operating time (at 68 °F/20 °C) 48 hours 48 hours 48 hours 48 hours