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Sokkia B40A Auto Level

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Sokkia B40A Auto Level Specification

Field of View (at 100 m)
1 25 (2.5 m)

Compensator Type
Magnetic Damping

Horizontal Circle Graduation
1

Magnification
24x

Accuracy (Standard Deviation per 1 km double run)
2.0 mm

Setting Time for Compensator
< 1 second

Sensitivity of Bubble
10'/2 mm

Image
Erect

Minimum Focus
0.2 m (from telescope end)

Objective Aperture
32 mm

Dimensions (L x W x H)
215 x 130 x 140 mm

Telescope Length
215 mm

Stadia Constant
0

Water Resistance
IPX6

Operating Temperature
-20C to +50C

Stadia Ratio
100

Weight (Approx.)
1.7 kg

Compensator Setting Accuracy
0.5

Thread Size for Tripod
5/8 inch

Compensator Working Range
15

About Sokkia B40A Auto Level

The Sokkia B40A automatic level incorporate field-proven precise and reliable compensator for accuracy you can rely upon. The optimally designed telescope provides exceptionally bright and sharp view that reduces operators eyestrain. Quick collimation and horizontal angle measurement combine for fast and easy aiming of layout and alignment tasks

Specification

Telescope
Length	214mm (8.42in.)
Magnification	24x
Objective Aperture	32mm (1.26 in.)
Resolving Power	4
Field of View (at 100m/328ft.)	125 (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
Focusing Knob	1-speed
Sighting Aid	Gun Sight
Accuracy (1km double run leveling)
Without Micrometer	2.0mm (0.08 in.)
With Micrometer	n/a
Compensator
Type	Pendulum compensator with magnetic damping system
Setting Accuracy	0.5
Working Range	15
Circular Level
Sensitivity	10 / 2mm
Horizontal Circle
Diameter	99mm (3.9in.)
Minimum Division	1/ 1gon
General
Water Resistance	IPX6 (IEC 60529:2001)
Operating Temperature	-20 to +50C (-4 to +122F)
Size Width x Length x Height	122mm (4.8in.) x 214mm (8.4in.) x 140mm (5.51in.)
Weight	1.5kg (3.3lbs.)

Rapid, Accurate, and Stable Automatic Compensation
Ultra-Short 20cm (7.9 in.) Focusing
All-Weather Dependability
Clampless, Endless Fine Horizontal Adjustments

In the Box

Sokkia B40A Auto Level
Hexwrench
Adjusting pins
Cleaning cloth
Lens cap
User manual
Hard carrying case

Precision in Every Measurement

The Sokkia B40A is engineered to ensure each reading is accurate with a standard deviation of just 2.0 mm per 1 km double run. An erect image, wide field of view, and a stadia ratio of 100 with a zero stadia constant help professionals make reliable calculations in both urban and rural survey environments.

Engineered for Durability and Versatility

Designed with IPX6 water-resistant housing and an operating temperature of -20C to +50C, the Sokkia B40A can be relied on in extreme outdoor conditions. Its robust structure and magnetic damping compensator ensure steady operation even on busy and dynamic worksites.

FAQ's of Sokkia B40A Auto Level:

Q: How does the Sokkia B40A Auto Level ensure measurement accuracy in the field?

A: The Sokkia B40A employs a magnetic damping compensator that quickly stabilizes within less than a second and offers a working range of 15. Its high precision yields a standard deviation of just 2.0 mm for every 1 km double-run, making it suitable for rigorous professional use.

Q: What are the main applications and benefits of using the Sokkia B40A in India?

A: This auto level is ideal for construction, civil engineering, and land surveying projects. Its robust design, fast compensator response, and high water resistance (IPX6) allow it to perform reliably in varying Indian climatic conditions and terrains, enhancing productivity on site.

Q: When should I use the horizontal circle graduation on the Sokkia B40A?

A: The horizontal circle with 1 graduations is used when measuring or setting out angles during site surveys or construction staking. It helps professionals achieve greater alignment accuracy for structures and infrastructure projects.

Q: Where can I purchase or get support for the Sokkia B40A Auto Level in India?

A: The Sokkia B40A is widely available through authorized distributors, suppliers, traders, wholesalers, and manufacturers across India. Support and maintenance services can be accessed from these local partners to ensure smooth instrument operation.

Q: What is the process for setting up the Sokkia B40A on a tripod?

A: To set up, attach the instrument to a compatible 5/8-inch threaded tripod. Align and secure the level, then use the circular bubble with 10/2 mm sensitivity to ensure proper horizontality before starting measurements. The compensator will auto-stabilize quickly for accurate readings.

Q: How quickly does the compensator stabilize, and why is this important?

A: The magnetic damping compensator sets within less than 1 second. Rapid stabilization minimizes waiting time and ensures measurements remain accurate despite minor vibrations or movement at the construction site.

Q: Can the Sokkia B40A be used in wet or harsh outdoor conditions?

A: Yes, with its IPX6 water resistance and operating temperature range from -20C to +50C, the Sokkia B40A is built to withstand rain, dust, and extreme temperatures, making it suitable for most Indian worksites.

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