Nikon Auto Levels AP8, AC-25 & AS-2

Description

Nikon automatic levels are designed for a variety of elevation control and alignment tasks including general building construction, cut and fill measurements, area levelling and landscaping. These compact, lightweight levels feature double-sided continuous horizontal tangent drives, stadia lines for simple distance measurement, and are available in a range of magnifications with choice of either magnetic or air-dampened automatic compensators.

Features

  • Compact and lightweight
  • Water-resistant construction
  • Magnetic-dampened automatic compensator
  • Horizontal tangent knobs with unlimited range
  • Smooth, precise pointing and angular measurement
  • Detachable eyepiece lens
  • Compact and lightweight
  • Waterproof construction
  • Automatic air-dampened compensator
  • Standard optical sight lens
  • Powerful telescopes with improved minimum focusing
  • Carrying case, adjusting pins and lens cap included

Specifications

AC-2SAP-8
TELESCOPE
Tube length190 mm (7.5 in) erect190 mm (7.5 in) erect
Image24x28x
Magnification30 mm (1.2 in)30 mm (1.2 in)
Effective diameter of objective lens Field of view1°30’(2.6 ft @ 100 ft)1°30’(2.6 ft @ 100 ft)
Minimum focusing distance Stadia ratio1:1001:100
Stadia additive constant00
LEVEL VIAL SENSITIVITY
Circular level10’/2 mm10’/2 mm
STANDARD DEVIATION (in 1-km double-run leveling)
Without micrometer±2.0 mm±1.5 mm
AUTOMATIC COMPENSATOR
Typewire-hung, magnetic damperwire-hung, magnetic damper
Compensation range±16’±16’
Setting accuracy±0.5”±0.5”
HORIZONTAL CIRCLE
Diameter of circle110 mm (4.3 in)110 mm (4.3 in)
Minimum increment1°/1 g1°/1 g
Reading by estimation0.1°/0.1g0.1°/0.1g
DIMENSIONS
Instrument (L x W x H)190 x 128 x 123 mm190 x 128 x 123 mm
Carrying case292 x 170 x 163 mm292 x 170 x 163 mm
WEIGHT
Instrument1.25 kg (2.8 lb)1.25 kg (2.8 lb)
Carrying case1.2 kg (2.7 lb)1.2 kg (2.7 lb)
TELESCOPE
Tube length259 mm
Imageerect
Effective aperture of objective45 mm
Magnification34x
Resolution power2 .5"
Field of view1°20' (2 .3 ft @ 100 ft)
Minimum focusing distance1 .0 m
Stadia ratio1:100
Stadia additive constant0
LEVEL VIAL SENSITIVITY
Circular level10'/2 mm
STANDARD DEVIATION (in 1-km double-run leveling)
Without micrometer±0 .8 mm
With micrometer±0 .4 mm
AUTOMATIC COMPENSATOR
Typewire-hung, air damper
Compensation range±12'
Setting accuracy±0 .3"
HORIZONTAL CIRCLE
Diameter of circle80 mm
Minimum increment1°/1 g
Scale reading (direct)10'/10 cg
Reading by estimation1'/1 cg
DIMENSIONS
Instrument (L x W x H)259 x 136 x 142 mm
Carrying case379 x 195 x 197 mm
WEIGHT
Instrument1 .8 kg
Carrying case1 .8 kg