High Quality Measuring Instruments Automatic Level Self-Leveling Rotary Auto Level

• Warranty: 1 Year
• Accuracy: 0.5"/0.3"
• Type: Magnetic
• 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
• Image: Erect
• Objective Aperture: 40mm/35mm
• Min. Focusing Distance: 0.5m
• 1km Double Run Leveling: 1.5mm
• Field of View: 1°20"
• Waterproof Grad: Ipx6
• Weight: 1.80kgs
• Transport Package: Individual Package
• Origin: Jiangxi
• HS Code: 9015800090
• Production Capacity: 10, 000PCS/Year
• Package Size: 55.00cm * 45.00cm * 35.00cm
• Package Gross Weight: 10.000kg

Product Description

Japan Brand Sokia B20 Survey Auto Level 32x Magnification With Hard Case

Model	B40	B30	B20
Telescope
Length	215mm(8.46 inch)
Objective aperture	32mm	36mm	42mm
Magnification	24X	28X	32X
Image	Erect
Resolving power	4"	3.5"	3.0"
Field of view(at 100m)	1° 25′ (2.5m)		1° 20′ (2.3m)
Minimum focussing distance	0.2m (7.9in.) from end of telescope
	0.3m (1ft.) from instrument cener.
Reticle pattern	Cross hairs		wedge
Stadia ratio	100
Stadia constant	0
sighting aid	Gun sight	Peep sight
Focusing Knob	1-speed		2-speed
Lense hood	-		Retractable
Accuracy(standard deviation for 1km double   run leveling)
Without micrometer	2.0mm	1.5mm	0.7mm
	(0.08in.)	(0.06in.)	(0.03in.)
With micrometer			0.5mm
			(0.02in.)
Compensator
Type	pendulum compensator with magnetic damping   system
Working range	± 15′
Setting accuracy	0.5"		0.3"
Horizontal Circle
Diameter	103mm (4.1in.)
Graduation	1°/1gon
General
Sensitivity of circular level	10′/2mm
Mirror for circular level	Plane mirror		pentaprism
Horizontal motion drive	Clampless, endless, double-sided knobs
Water resistance	IPX6(IEC60529)
Operating temperature	-20-+50°C (-4 to +122°F)
Size	122mm× 215mm× 135mm		130mm× 215mm× 140mm
Weight	1.7kg (3.7 lb.)		1.85kg (4.1 lb.)