Spectra Precision Nikon Catalog Combined - Manual (Page 23)

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SpecificationS aS-2/2c ae-7/7c
telescope
Tube length 259 mm (10.2 in) 220 mm (8.7 in)
Image erect erect
Magnification 34x 30x
Effective diameter of objective lens 45 mm (1.8 in) 40 mm (1.6 in)
Field of view 1°20' (2.3 ft @ 100 ft) 1°30' (2.6 ft @ 100 ft)
Minimum focusing distance 1.0 m (3.28 ft) 0.3 m (0.98 ft)
Stadia ratio 1:100 1:100
Stadia additive constant: 0 0
Resolution power 2.5" 3"
level viAl sensitivity
Circular level 10'/2 mm 10'/2 mm
stAnDArD DeviAtion
( 1 km double-run leveling)
Without micrometer ±0.8 mm ±1.0 mm
With micrometer ±0.4 mm ±0.45 mm
AutomAtic compensAtor
Type wire-hung, air damper wire-hung, air damper
Compensation range ±12' ±16'
Setting accuracy ±0.3" ±0.35"
horiZontAl circle
Diameter of circle 80 mm (3.2 in) (AS-2C only) 118 mm (4.6 in) (AE-7C only)
Minimum increment 1°/1 g 1°/1 g
Reading estimation: 1’/1 cg 0.1°/0.1 g
Dimensions
Instrument (L x H x W) 259 x 136 x 142 mm
(10.2 x 5.4 x 5.6 in)
220 x 136 x 142 mm
(8.7 x 5.4 x 5.6 in)
Carrying case 379 x 195 x 197 mm
(14.9 x 7.7 x 7.8 in)
379 x 195 x 197 mm
(14.9 x 7.7 x 7.8 in)
Weight
Instrument 1.8 kg (4.0 lb)/1.9 kg (4.2 lb) 1.7 kg (3.7 lb)
Carrying case 1.8 kg (4.0 lb)/1.9 kg (4.2 lb) 1.8 kg (4.0 lb)/1.9 kg (4.2 lb)
Auto Levels AS/AE Series
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