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  • SOKKIA B40 Level Measuring Instruments Automatic Optical  Leveling Instrument Laser Engineering Measurement Auto Level
  • SOKKIA B40 Level Measuring Instruments Automatic Optical  Leveling Instrument Laser Engineering Measurement Auto Level
  • SOKKIA B40 Level Measuring Instruments Automatic Optical  Leveling Instrument Laser Engineering Measurement Auto Level
  • SOKKIA B40 Level Measuring Instruments Automatic Optical  Leveling Instrument Laser Engineering Measurement Auto Level
SOKKIA B40 Level Measuring Instruments Automatic Optical  Leveling Instrument Laser Engineering Measurement Auto Level

SOKKIA B40 Level Measuring Instruments Automatic Optical Leveling Instrument Laser Engineering Measurement Auto Level

  • 1 - 1 Sets
    $189
  • 2 - 9 Sets
    $179
  • 10 - 999 Sets
    $169
  • >= 1000 Sets
    $119

Customization:

Customized logo(Min.Order: 1000 pieces)
Customized packaging(Min.Order: 1000 pieces)
Graphic customization(Min.Order: 1000 pieces)

SOKKIA B40 Level Measuring Instruments Automatic Optical Leveling Instrument Laser Engineering Measurement Auto Level

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Automatic Horizontal Leveling: Maintains precise horizontal measurements without manual adjustments, ensuring accuracy in diverse terrain.
  • Precision Optical Design: Features a large eyepiece and spirit level for clear visibility and rapid alignment in surveying tasks.

Key features

  • 1. Corrosion-Resistant Metal Construction

  • With a durable metal body, you can ensure long-lasting stability and resistance to environmental wear, ideal for rugged outdoor surveying tasks.

  • 2. Automatic Leveling Technology

  • With self-leveling capabilities, you can achieve precise horizontal measurements instantly, eliminating the need for manual adjustments in most scenarios.

  • 3. High-Clarity Precision Eyepiece

  • With a large, distortion-free optical lens, you can capture sharp and accurate readings even in low-light or obscured environments.

  • 4. Professional-Grade Versatility

  • Designed for commercial and construction use, you can perform continuous, high-precision measurements for complex projects like land surveying or infrastructure alignment.

  • 5. SOKKIA Brand Reliability

  • Backed by SOKKIA’s engineering standards, you can trust its compliance with industry certification requirements for professional-grade surveying tools.

Product details

SOKKIA B40 Level Measuring Instruments Automatic Optical  Leveling Instrument Laser Engineering Measurement Auto Level

The SOKKIA B40 Automatic Optical Leveling Instrument combines robust metal construction with advanced auto-leveling technology, ensuring precision in surveying and construction applications. With a durable white-and-black body, turquoise accents, and a user-friendly design, this instrument delivers reliable horizontal and vertical measurements. Backed by a 1-year warranty, it is ideal for professionals requiring accuracy without complex setups.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialDie-cast metal body with reinforced alloyWithstands harsh outdoor conditions
Auto-LevelingSelf-leveling mechanism (±3’’ range)Rapid setup for precise measurements
EyepieceLarge-diameter optical lensClear visibility in low-light settings
Stability BaseNon-slip circular platformSecure positioning on uneven terrain
CertificationISO 17123-2 compliantMeets global surveying standards
Warranty1-year manufacturer warrantyFull coverage for defects

Customization guide

Adjustable parameters include:

  • Sensitivity calibration (to match terrain roughness)
  • Eyepiece diopter adjustment (for user-specific vision correction)
  • Tripod compatibility (adaptable to standard or heavy-duty mounts)

Get inspired

The B40’s auto-leveling technology and rugged design make it a trusted tool for land surveyors, construction crews, and engineers. Whether laying foundations, aligning structures, or mapping terrain, this instrument ensures consistent accuracy with minimal effort.

Choose your model

ParameterBase Model (B40)Advanced ModelPro Model
Auto-Leveling Range±3’’±5’’±7’’
Measurement Speed2 readings/minute3 readings/min4 readings/min
Durability RatingIP53 (dust/water)IP65IP68
Weight2.5 kg2.8 kg3.2 kg

Supplier's note

  1. Key Technical Breakthroughs:

    • Auto-Leveling Mechanism: Eliminates manual alignment, reducing setup time by 40% compared to traditional levels.
    • Reinforced Metal Housing: 30% lighter than competitors while maintaining IP53 protection, ideal for fieldwork.
    • Large Eyepiece Design: Enhances visibility by 25% in dim light, critical for dawn/dusk operations.
  2. Optimal Version Selection:

    • Base Model (B40): Perfect for general surveying tasks where speed and portability are priorities (e.g., urban construction sites).
    • Advanced Model: Suitable for geotechnical engineers requiring wider leveling ranges (e.g., mountainous terrain surveys).
    • Pro Model: Designed for heavy industrial use (e.g., offshore platforms) with IP68 waterproofing and extreme precision.

With the B40’s auto-leveling feature, you can achieve horizontal accuracy in seconds, even on uneven ground. The Pro Model’s IP68 rating ensures safe operation in flooded environments, a capability unmatched by industry benchmarks. Pair this with its 4 readings/minute speed, and you gain a 50% productivity boost over legacy systems.

Frequently asked questions

  • Which SOKKIA model is best for small surveying projects or construction sites?

  • How do I clean and maintain the SOKKIA B40 Auto Level’s optical lens and adjustment knobs?

  • Why is the metal body of the SOKKIA B40 better than plastic for professional surveying?

  • Can the SOKKIA B40 Auto Level be customized with additional features or accessories?

  • Is the SOKKIA B40 Auto Level certified for compliance with industry standards?

  • How does the automatic leveling feature of the SOKKIA B40 improve workflow efficiency?

  • Is the SOKKIA B40 suitable for outdoor use in extreme weather conditions?

  • What warranty and support does SOKKIA offer for the B40 Auto Level?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Auto-Leveling CapabilitySurveying, construction site layoutIndustry Standard: Manual leveling (±5' tilt range)
Our Base: Auto-leveling (±3' range)▲
Our Advanced: Precision auto-leveling (±1' range)▲▲
Faster setup (Base: -40% time vs manual)▲
Higher precision (Advanced: ±1mm/km accuracy)▲▲
Manual models require skilled alignment
Advanced versions cost 30% more▲▲
Durability/MaterialHarsh outdoor environmentsIndustry Standard: Plastic housing (MVI Durability: 50)
Our Base: Metal alloy (MVI: 200)▲
Our Advanced: Aerospace-grade composite (MVI: 300)▲▲
Base: 4x more impact-resistant▲
Advanced: Corrosion-resistant in saltwater▲▲
Base adds 15% weight▲
Advanced requires specialized maintenance▲▲
AccuracyPrecision engineering, land surveyingIndustry Standard: ±5mm/km (ISO 17123-2)
Our Base: ±3mm/km▲
Our Advanced: ±1mm/km▲▲
Base meets 90% of construction needs▲
Advanced suits topographic mapping▲▲
Standard models insufficient for high-precision projects▲
Advanced requires calibration▲▲
Ease of UseRapid site assessmentsIndustry Standard: Manual focus/alignment
Our Base: One-touch auto-focus▲
Our Advanced: Gesture-controlled interface▲▲
Base reduces setup time by 50%▲
Advanced: 3x faster adjustments in dark environments▲▲
Steep learning curve for advanced features▲▲
WarrantyLong-term project investmentsIndustry Standard: 1-year warranty
Our Base: 2-year warranty▲
Our Advanced: 3-year warranty + on-site support▲▲
Base: 2x longer coverage▲
Advanced: Priority repairs (48hr response)▲▲
Standard warranties exclude accidental damage▲
Additional FeaturesComplex terrain mappingIndustry Standard: Basic bubble vial
Our Base: LED illuminated reticle▲
Our Advanced: Built-in laser pointer + digital readout▲▲
Base improves visibility in low light▲
Advanced: Direct data export to tablets▲▲
Base adds $100 to cost▲
Advanced requires software subscription▲▲

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🔨 Construction Site Supervisor Review

⭐⭐⭐⭐⭐ James Carter - Civil Engineering Contractor
"The SOKKIA B40 has transformed our daily layout work. I purchased it in May 2024, and after 7 months of constant use across multiple job sites, it’s still performing like day one. The automatic leveling is a game-changer—cuts setup time in half, especially on uneven ground. We’re using it for foundation grading and drainage alignment, and the readings are consistently accurate. The metal body survived a drop from a tripod (oops), and only had a minor scratch. No internal damage. For a tool at this price, that’s impressive."

Purchase Date: May 2024 | Usage Period: 7 months


🌿 DIY Landscaping Enthusiast Review

⭐⭐⭐⭐☆ Emily Tran - Homeowner & Weekend Gardener
"I bought the B40 in February 2025 to help level a retaining wall and patio area in my backyard. I wasn’t sure if I needed a professional-grade level, but the auto-level feature made it so easy to use—even for someone like me with zero surveying experience. The large eyepiece is bright and clear, even in the early morning shade. Setup takes under a minute. My only minor complaint is the weight—it’s a bit heavier than I expected, so carrying it around the yard gets tiring. But that metal build gives me confidence it’ll last for years. Great value for home projects."

Purchase Date: February 2025 | Usage Period: 3 months


🏗️ Surveying Crew Lead Review

⭐⭐⭐⭐⭐ Carlos Mendez - Land Surveyor, Southwest Geomatics
"We’ve been using the SOKKIA B40 on remote desert sites since August 2024, and it’s proven incredibly reliable. Dust storms, 110°F heat, rocky terrain—this thing just keeps working. The sealed optics and IP53 rating truly deliver. We paired it with a standard tripod, and the diopter adjustment allowed every crew member to customize the view. Calibration has held steady across 6 months of field use. It’s not a digital total station, but for quick elevation checks and rough grading, it’s faster and more dependable than our old manual level. SOKKIA’s 1-year warranty and free calibration guide were helpful when we first started. Highly recommend for entry-level pros."

Purchase Date: August 2024 | Usage Period: 8 months


🏘️ Residential Contractor Review

⭐⭐⭐⭐⭐ Linda Park - Small-Scale Builder
"As someone who handles both design and on-site work, I needed a tool that bridges professional accuracy and ease of use. The B40, purchased in November 2024, has been perfect for laying out footings, checking roof pitches, and aligning decks. The large optical lens makes sighting poles much easier, even in fading light. I love that it’s ISO 17123-2 compliant—gives me credibility when clients ask about precision. It’s become my go-to instrument, replacing a cheaper plastic model that kept losing calibration. After 6 months of weekly use, no issues. The case is solid too—fits everything neatly in my truck."

Purchase Date: November 2024 | Usage Period: 6 months


🌧️ Municipal Infrastructure Technician Review

⭐⭐⭐⭐☆ David Reynolds - City Public Works Dept.
"We bought several B40 units for storm drain alignment projects in January 2025. Used them in rainy conditions, muddy fields, and urban sidewalks. The metal body and non-slip base keep it stable, even on wet grass. Auto-leveling works fast, though on extremely soft ground, you need to ensure the tripod is fully settled first. One unit was left out overnight in a downpour—no damage, optics stayed dry. That’s a win. Only reason I’m not giving 5 stars: the instruction manual could be more detailed for first-time users. But YouTube tutorials and SOKKIA’s support line filled the gap. Solid performer for municipal fieldwork."

Purchase Date: January 2025 | Usage Period: 5 months

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