Technical Details

Built-in magnetic dampened automatic compensator levels the line-of-sight within the range of ±16-Inch with setting accurate to within ±0.5-Inch
Horizontal tangent knobs have an unlimited range and can be operated with either hand
A friction brake enables quick, easy setting and base plate designed for flat- or domed-head tripod mounting
Water-resistant body construction allows use in light rain or dusty condition
Carrying case included

Product Description

From the Manufacturer

High-performance automatic levels featuring airtight, dry-nitrogen-filled optics. Waterproof and fog proof, these instruments provide high accuracy in humid tunnels, unforgiving terrain and inclement weather. Key Features for AC-2S Automatic Level Compact and lightweight (1.25kg/2.8 lbs.). The built-in compensator automatically levels the line of sight over a wide compensation range of ±16-Inch with a setting accuracy of ±0.5-Inch. The powerful 24x telescope has a 30mm objective lens for clear, bright images in an erect and unreversed orientation. The minimum focusing distance of 0.75m/2.46 ft. lets you work even in confined places. Standard deviation for a 1-km double-run level is just ±2.0mm. The horizontal tangent knobs have an unlimited range and can be operated with either hand. A friction brake enables quick, easy setting. The detachable eyepiece lens can be replaced with an optional diagonal eyepiece prism. Specially designed base plate for mounting on either flat- or domed-head tripods. The water-resistant body construction allows use in light rain or dusty conditions. The AC-2S model is identical to the AC-2, except for the stadia line. Specifications for AC-2S Automatic Level Telescope: Magnification 24x (35x, 17x with optional eyepiece lenses); Stadia line (AC-2s only) Horizontal Circle : Diameter of circle 110mm(4.3-Inch); Graduation interval 1 or 1gon; Reading accuracy (by estimation) +-0.1 or 0.1gon Standard Deviation : 1km double-run leveling ±2.0mm Automatic Compensator : Type Wire suspension, magnetically dampened; range ±16; Setting accuracy ±0.5-Inch.

	AX-2S	AC-2S	AP-8
TELESCOPE
Tube length:	7.5 in (190 mm)	7.5 in (190 mm)	7.5 in (190 mm)
Image:	erect	erect	erect
Effective diameter of objective:	1.2 in (30 mm)	1.2 in (30 mm)	1.2 in (30 mm)
Magnification:	20x	24x	28x
Resolution power:	4.5"	3.5"	3.5"
Field of view:	1°30' (2.6 ft @ 100 ft)	1°30' (2.6 ft @ 100 ft)	1°30' (2.6 ft @ 100 ft)
Minimum focusing distance:	2.46 ft (0.75 m)	2.46 ft (0.75 m)	2.46 ft (0.75 m)
Stadia ratio:	1:100	1:100	1:100
Stadia additive constant:	+10 cm	+10 cm	+10 cm
LEVEL VIAL SENSITIVITY
Circular level:	10' / 2 mm	10' / 2 mm	10' / 2 mm
STANDARD DEVIATION
per 1-km double-run leveling:	±1.5 mm	±1.5 mm	±1.5 mm
	AX-2S	AC-2S	AP-8
AUTOMATIC COMPENSATOR
Type:	wire-hung, magnetic damper	wire-hung, magnetic damper	wire-hung, magnetic damper
Compensation range:	±16'	±16'	±16'
Setting accuracy:	±0.5"	±0.5"	±0.5"
HORIZONTAL CIRCLE
Diameter of circle:	4.3 in (110 mm)	4.3 in (110 mm)	4.3 in (110 mm)
Minimum increment:	1° / 1 g	1° / 1 g	1° / 1 g
Scale reading (direct):	1° / 1 g	1° / 1 g	1° / 1 g
Reading by estimation:	0.1° / 0.1 g	0.1° / 0.1 g	0.1° / 0.1 g
DIMENSIONS
Instrument (L X W X H):	7.5 x 5.0 x 4.8 in (190 x 128 x 123 mm)	7.5 x 5.0 x 4.8 in (190 x 128 x 123 mm)	7.5 x 5.0 x 4.8 in (190 x 128 x 123 mm)
Carrying case (L X W X H):	11.5 x 6.7 x 6.4 in (292 x 170 x 163 mm)	11.5 x 6.7 x 6.4 in (292 x 170 x 163 mm)	11.5 x 6.7 x 6.4 in (292 x 170 x 163 mm)
	AX-2S	AC-2S	AP-8
WEIGHT
Instrument:	2.8 lbs (1.25 kg)	2.8 lbs (1.25 kg)	2.8 lbs (1.25 kg)
Carrying case:	2.7 lbs (1.2 kg)	2.7 lbs (1.2 kg)	2.7 lbs (1.2 kg)

دوربین نقشه برداری نیکون اتوماتیک AC-2S

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