surveying machine

auto level machines

SOKKIA AUtolevl b40a

The Sokkia B40A is a high-precision automatic level, also known as a dumpy level, used for surveying and leveling. It features an automatic compensator that ensures accurate and stable line of sight, even in challenging conditions like vibration or temperature changes. The B40A is designed for durability and reliability, with a robust, dust and water-resistant (IPX6) body.

Model	Sokkia B40A
Telescope
Length	214mm (8.42in.)
Magnification	24x
Objective aperture	32mm (1.26 in.)
Resolving Power	4″
Field of View (at 100m/328ft.)	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
Focusing Knob	1-speed
Sighting Aid	Gun Sight
Accuracy (1km double run leveling)
Without Micrometer	2.0mm (0.08 in.)
With Micrometer	n/a

SOKKIA AUtolevl b40

The Sokkia B40 Auto Level is a surveying instrument used for establishing and verifying horizontal points. It is a compact, rugged level with a precise and reliable compensator, ensuring accurate readings even in challenging environments. It features a superior telescope with a two-speed focus knob and a short minimum focus distance of 20cm, facilitating work in tight spaces.

Model	Sokkia B40
Telescope
Length	214mm (8.42in.)
Magnification	24x
Objective aperture	32mm (1.26 in.)
Resolving Power	4″
Field of View (at 100m/328ft.)	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
Focusing Knob	1-speed
Sighting Aid	Gun Sight
Accuracy (1km double run leveling)
Without Micrometer	2.0mm (0.08 in.)
With Micrometer	n/a

SOKKIA AUtolevl b20

Sokkia B series automatic levels feature enhanced reliability under all envi-ronmental conditions. Tough and compact bodies are tightly sealed against water, humidity and dust (IPX6). The B series levels provide quick setup, easy sighting, and superior durability against vibration and shock, ensuring the increased productivity over long periods of time.

Specifications of Sokkia B20 / B30/ B40 Automatic Level

TELESCOPE

Sokkia B20 Level

Sokkia B30 Level

Sokkia B40 Level

Magnification	32X	28X	24X
Objective Aperture	42mm (1.65 in.)	36mm (1.42 in.)	32mm (1.26 in.)
Resolving Power	3 in.	3.5 in.	4 in.
Field of View	1°20’	1°25’	1°25’ (at 100m/328ft.)

Min. Focus from end of telescope	0.2m (7.9 in.)	0.2m (7.9 in.)	0.2m (7.9 in.)
Min. Focus from instrument center	0.3m (1 ft.)	0.3m (1 ft.)	0.3m (1 ft.)
Image	Erect	Erect	Erect

Focusing Knob	2-speed	1-speed	1-speed
Sighting Aid	Peep Sight	Gun Sight	Gun Sight
ACCURACY	Sokkia B20	Sokkia B30	Sokkia B40
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	n/a
COMPENSATOR	Sokkia B20	Sokkia B30	Sokkia B40

Type	Pendulum compensator with magnetic damping system
Setting Accuracy	0.3 in.	0.5 in.	0.5 in.
Working Range	±15 ft.	±15ft.	±15 ft.
CIRCULAR LEVEL	Sokkia B20	Sokkia B30	Sokkia B40
Sensitivity	10 ft./2mm	10 ft./2mm	10 ft./2mm
HORIZONTAL CIRCLE	Sokkia B20	Sokkia B30	Sokkia B40
Diameter	103mm (4.1 in.)	103mm (4.1 in.)	103mm (4.1 in.)
Minimum Division	1°/1gon	1°/1gon	1°/1gon

Operating Temperature	-4°F to +122°F (-20ºC to +50ºC)
Width	5.12 in. (130mm)	5.12 in. (130mm)	5.12 in. (130mm)
Length	8.46 in. (215mm)	8.46 in. (215mm)	8.46 in. (215mm)
Height	5.51 in. (140mm)	5.51 in. (140mm)	5.31 in. (135mm)
Weight	4.1 lbs. (1.85kg)	3.7 lbs. (1.7kg)	3.7 lbs. (1.7kg)

BOSCH AUTOLEVEL GOL26D

The Bosch GOL 26 D Professional Optical Level is a robust and precise leveling instrument with a magnification of 26x, a working range of up to 100 meters, and a leveling accuracy of ± 1.6 mm at 30 meters. It features a sturdy metal housing with IP54 dust and splash protection, making it suitable for outdoor use. The unit of measure is 360 degrees.

Technical data

Dust and splash protection. IP 54.
Unit of measure. 360 degrees.
Magnification. 26 x.
Accuracy. ± 1.6 mm at 30 m.
Tripod thread. 5/8"
Working range. 100 m.
Operating temperature. -10 – 50 °C.
Storage temperature. -20 – 70 °C.

BOSCH AUTOLEVEL GOL32D

The Bosch GOL 32 D Professional is an optical level with a 32x magnification lens, a working range of up to 120 meters, and an accuracy of ±1 mm at 30 meters. It has a dust and splash protection rating of IP54, weighs approximately 1.5 kg, and has a 5/8″ tripod thread. It operates between -10 and 50 °C and can be stored between -20 and 70 °C.

Technical data
Dust and splash protection. IP 54.
Unit of measure. 360 degrees.
Magnification. 32 x.
Accuracy. ± 1 mm at 30 m.
Tripod thread. 5/8"
Working range. 120 m.
Operating temperature. -10 – 50 °C.
Storage temperature. -20 – 70 °C.

LEICA AUTOLEVEL NA324

The Leica NA324 Auto Level has a magnification of 24x, a level accuracy of ±2.0mm (ISO 17123-2 certified), and a minimum focus distance of less than 1 meter. It is a versatile tool for levelling tasks in various conditions.

The Leica NA324 is an automatic level, a surveying instrument used for accurate leveling and height measurements in various applications like construction and surveying. It’s known for its automatic compensator, magnification, robust design, and user-friendly features.

Technical data

Magnification: 24x
Level Accuracy: ±2.0mm (ISO 17123-2 certified)
Minimum Focus Distance: < 1m
Objective Aperture: 36 mm
Field of View at 100m: < 2.1m
Working Range: ±15'
Setting Accuracy (Standard Deviation): < 0.5''
Sensitivity: 8'/2 mm
Telescope Image: Upright
Weight: 1.5 kg
Size: 19 x 12 x 12 cm

SOKURYO STX-32

The STX32 Autolevel instrument is a self-levelling level designed for leveling and surveying. Key specifications include a resolving power of 4 inches, a field of view of 1022 at 100m, and a magnification of 32x. Its working range is +/- 15 feet, and the circular level sensitivity is 10 ft / 2mm.

Technical data:

Resolving Power: 4 inches
Field of View: 1022 at 100m
Magnification: 32x
Objective Aperture: 32mm
Minimum Focus: 0.2m from the end of the telescope, 0.3m from the instrument center
Working Range: +/- 15 feet
Circular Level Sensitivity: 10 ft / 2mm
Horizontal Circle Diameter: n103mm
Image: Erect
Length: 215mm
Setting Accuracy: 0.5 inch

MYZOX AUTOLEVEL GEO-24MD

he Myzox GEO-24MD is a stainless steel automatic level with a magnification of 24x, a field of view of 1°20′ at 100m, and a minimum focus of 0.6m. It has a resolution of 4.5″, a weight of 1.26kg, and an aperture of 30mm. It is water and dust resistant with an IP54 rating and has a standard deviation of ±2.0mm for 1km double-run leveling.