Yellow Color Digital Dumpy Level , 20CM Min Focus Digital Surveying Instruments

Price Negotiable

Price: Negotiable

MOQ: 1

Delivery Time: within 3-5work days after the goods are paid .

Brand: Topcon

Product Description

Topcon AT-B Series Auto Level :

· 3 Models - 32x, 28x, and 24x Magnifications

· Rapid, Accurate, and Stable Automatic Compensation

· Ultra-Short 20cm (7.9 in.) Focusing

· All-Weather Dependability

· Clampless, Endless Fine Horizontal Adjustments

AT-B series SPECIFICATIONS

AT-Bseries SPECIFICATIONS		AT-B2	AT-B3	AT-B4
Telescope
Length		215mm (8.46 in.)
Magnification		32X	28X	24X
Objective Aperture		42mm (1.65 in.)	36mm (1.42 in.)	32mm (1.26 in.)
Resolving Power		3″	3.5″	4″
Field of View (at 100m/328ft.)		1°20′ (2.3m / 7.5ft.)	1°25′ (2.5m / 8.2ft.)
Minimum Focus		0.2m (7.9 in.) from end of telescope 0.3m (1ft.) from instrument center
Image		Erect
Stadia Constant		0
Stadia Ratio		100
Accuracy (1km double run leveling)
Without Micrometer		0.7mm (0.03 in.)	1.5mm (0.06 in.)	2.0mm (0.08 in.)
With Micrometer		0.5mm (0.02 in.)	n/a
Compensator
Type		Pendulum compensator with magnetic damping system
Setting Accuracy		0.3″	0.5″
Working Range		±15′
Circular level
Sensitivity		10′ / 2mm
Horizontal circle
Diameter		103mm (4.1 in.)
Minimum Division		1°/ 1gon
General
Water Resistance		IPX6 (IEC 60529:2001)
Operating Temperature		-20℃ to +50℃ (-4°F to +122°F)
Size	Width	130mm (5.12 in.)
	Length	215mm (8.46 in.)
	Height	140mm (5.51 in.)		135mm (5.31 in.)
Weight		1.85kg (4.1 lbs.)	1.7kg (3.7 lbs.)