New Brand Auto Level B20 High Copy with Good Quality

• After-sales Service: 1 Year
• Warranty: 1 Year
• Type: Optical Theodolites
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: B20
• Certification: CE
• Magnification: 30X
• Transport Package: with Standard Packing Way
• Trademark: Sokkia
• Origin: China
• HS Code: 9015200000
• Production Capacity: 200000 Per Year

Product Description

New Brand  Auto Level B20 high copy with good quality

AT-Bseries SPECIFICATIONS

AT-Bseries SPECIFICATIONS		B20							B40
Telescope
Length			215mm (8.46 in.)
Magnification			32X					24X
Objective Aperture			42mm (1.65 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				-20ºC to +50ºC (-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.)