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Bosch Professional GOL 26 D Optical Site Level
Quick Overview
The Bosch Professional GOL 26 D Optical Site Level is a heavy-duty 26x magnification optical leveling instrument engineered for civil engineering, surveying, and site preparation. Features ±1.6 mm @ 30 m leveling accuracy, a 100 m working range, pendulum compensator with transport lock, and IP54 dust/water protection. Supplied with GST invoicing and Government e-Marketplace (GeM) support.
Note: Images for illustration purposes only. Actual color, design, or packaging may vary based on manufacturing batches.
The Bosch Professional GOL 26 D Optical Site Level is a precision-engineered automatic optical level designed for demanding outdoor construction, surveying, and civil engineering applications.
Equipped with a high-performance 26x magnification lens and a fast-aperture objective, the GOL 26 D provides exceptional target clarity over working distances up to 100 meters. Built into a rugged metal housing rated to IP54 standards, it resists harsh outdoor weather, dust, and water splashes. Its magnetic-dampened compensator automatically levels the line of sight, while an integrated transport lock protects internal optics from damage during transport.
Explore our full range of surveying instruments and optical leveling tools in the electronic instruments section.
Bulk B2B Procurement & GeM Supply Lines: We provide fully compliant commercial invoices containing complete GST details to ensure seamless Input Tax Credit (ITC) tracking for contractors, engineering firms, and institutional buyers.
For civil departments, public works organizations, universities, and government infrastructure projects, Apex Labs offers reliable bidding assistance, compliance certification, and direct supply through our authorized listings on the official Government e-Marketplace (GeM) portal.
Product Specification & Direct Ordering
Bosch Professional GOL 26 D Optical Site Level: 26x magnification optical auto-level with ±1.6 mm @ 30 m accuracy, 100 m working range, IP54 metal housing, and compensator transport lock.
Technical Specifications
| Engineering Parameter | Performance Specification Standard |
|---|---|
| Manufacturer / Brand | Bosch Professional |
| Model Designation | GOL 26 D |
| Magnification Factor | 26x Optical Zoom |
| Leveling Accuracy | ± 1.6 mm at 30 m distance |
| Working Range | Up to 100 meters |
| Angular Graduation Unit | 360° Degree Division |
| Ingress Protection Rating | IP54 (Dust and Water Splash Resistant) |
| Mounting Interface Thread | 5/8″ Standard Surveying Tripod Thread |
| Operating Temperature | -10°C to +50°C |
| Instrument Weight | Approx. |
| 1.7 kg |
Core Engineering Features
- High-Precision 26x Optics: Features a large aperture objective lens that provides razor-sharp target resolution and long-distance readability even under low ambient light conditions.
- Automatic Compensator Lock: Built-in magnetic-dampened pendulum compensator automatically levels the line of sight and includes a robust transport lock switch to protect internal optics against job site shocks during transit.
- Penta Prism & Target Collimator: Integrated collimator assists with quick rough alignment toward the leveling staff, while the built-in penta prism enables effortless reading of the circular bubble vial.
- IP54 Heavy-Duty Housing: Sturdy all-metal body construction designed to withstand extreme job site conditions, rain, dust, and continuous daily field use.
- Endless Friction Drive Knobs: Double-sided fine adjustment rotation knobs ensure smooth, precise millimeter-level targeting without position slipping.
Primary Site Applications
- Civil Engineering & Roadworks: Determining elevation differences, setting gradients, and executing site leveling for highways, bridges, and foundations.
- Building Construction: Accurate transfer of benchmark heights, foundation pouring alignment, and floor slab level verifications.
- Land Surveying & Landscaping: Contour mapping, cut-and-fill calculations, drainage slope assessments, and boundary elevation tracking.
- Institutional & Educational Labs: Long-lasting, reliable optical level for field instruction in civil engineering universities and surveying institutes.
Bosch GOL 26 D FAQ
Q: What is the leveling accuracy and working range of the Bosch GOL 26 D?
A: The GOL 26 D offers a working range of up to 100 meters with an accuracy of ±1.6 mm at a 30-meter distance.
Q: What accessories are included in the standard kit package?
A: The standard kit includes the GOL 26 D optical level, lens cap, adjusting pin, Allen key, plumb bob, and a durable carrying case with transport lock latches.
Q: Can government institutions and civil contractors procure this item with GST invoices?
A: Yes, Apex Labs provides full commercial GST tax invoices for ITC reconciliation and supports direct purchasing and tender bidding via the Government e-Marketplace (GeM) portal.
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