20mm Bubble Level 25 Arc Min Accuracy, IP Rating Not Specified - Bayerische Maß-Industrie Arno Keller GmbH

Take advantage of the combination of compact size, reliable sensitivity and simple integration for accurate machine levelling; order the circular vial directly via Metav Werkzeuge or consult the technical advisers for specification support.

Circular vial »20 mm, 25 min« (BMI) — Precision levelling insert

Circular vial »20 mm, 25 min« (BMI) for precise alignment and levelling tasks in machine setup and inspection fixtures.

• Circular vial: 20 mm outer diameter
• Sensitivity: 25 arc minutes
• From Bayerische Maß‑Industrie (BMI)

Accurate levelling for machine setup and alignment

The circular vial delivers a compact solution for precision levelling in confined assemblies and machine beds. With an outer diameter of 20 mm and a sensitivity of 25 arc minutes, the vial provides a reliably measurable response to small angular deviations; 25 arc minutes correspond to approximately 0.42°, enabling detection of subtle misalignments during initial machine installation or subsequent checks. The small footprint suits integration into jigs, gauges or instrument housings where a full-length spirit level is impractical, while maintaining the clear bubble behaviour needed for repeatable readings. This results in a faster, more efficient setup process and reduced downtime when establishing machine datum planes.

Compact design that supports consistent measurements

Designed for use where space is limited, the spirit vial insert combines a compact diameter with a visible, stable bubble for consistent readings. The round profile assists in seating the vial into circular bores or recesses commonly found in fixtures and test rigs. Where quick visual confirmation of level is required, the vial’s sensitivity provides an objective indicator without complex electronics, supporting straightforward decision-making on-site. For workshops and inspection areas that value durability and simplicity, the insert offers a robust alternative to larger levelling tools while preserving the fidelity of the measurement result.

Easy interpretation and straightforward installation

The bubble movement in the circular spirit vial is intuitive to read and easy to interpret even by operators with limited metrology training; the principle is simple yet effective. Integration typically requires a circular recess matching the 20 mm diameter and a secure fixation to prevent play; once installed, the vial serves as a passive, maintenance‑free indicator. For applications that demand traceable alignment, combining this mechanical indicator with other measurement methods provides both rapid checks and quantitative verification. The compact indicator thus supports lean workflows and helps maintain process stability across repetitive setups.

Contact Metav Werkzeuge for specification advice or to arrange procurement of the circular vial; Metav Werkzeuge’s consultants can advise on suitability for specific levelling tasks and integration options

Technical data

• Article number: 4000857462NW
• Label: Circular vial 20 mm 25 min BMI
• Brand: Bayerische Maß‑Industrie Arno Keller GmbH
• Packaging unit: 1
• UID: 4000857462NW

Facts

• Outer diameter: 20 mm
• Sensitivity: 25 arc minutes (≈ 0.42°)

Special features

• Circular spirit vial for levelling applications
• Compact format for insertion into fixtures and housings
• Simple visual bubble indication

FAQ

What level of sensitivity does this circular vial provide?
The circular vial offers a sensitivity of 25 arc minutes, which is about 0.42°, enabling detection of small angular deviations suitable for machine levelling and alignment tasks.

Can the vial be fitted into custom fixtures and gauges?
Yes, the vial is intended for insertion into circular recesses or housings with a corresponding 20 mm bore; secure fixation is recommended to ensure consistent readings.

Is the circular vial suitable for continuous monitoring in a production environment?
The vial functions as a passive visual indicator; it is suitable for frequent checks and quick verifications but should be combined with periodic quantitative measurements for full traceability.

How is the product identified for ordering or replacement?
This circular vial is listed under SKU 4000857462NW and labelled Circular vial 20 mm 25 min BMI for clear identification when specifying replacements or spares.

Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com