Line level Bosch Universal Level 3 10 m range ±0.5 mm/m accuracy

The Bosch Universal Level 3 is a compact line level designed for precise alignment and levelling tasks across short to medium distances. With a 10 m range and an accuracy of ±0.5 mm/m, this tool projects a visible line to guide installation and layout work. The device supports self-levelling up to ±4° and runs on AA batteries for up to 5 hours of continuous operation, offering portability and consistent performance on job sites and at home.

Advantages

The Universal Level 3 provides reliable linear guidance with a clear projected line and industrial-grade accuracy of ±0.5 mm/m, enabling accurate placement of fittings and fixtures. Its compact form factor and battery operation make it easy to transport and set up in confined spaces. The self-levelling mechanism speeds up workflow by automatically compensating for minor tilt within ±4°, while the battery runtime of up to 5 hours supports extended use without frequent battery changes.

Suitable for

• Aligning tiles, shelves and cabinets
• Installing picture rails, curtain rods and mirrors
• Basic plumbing and electrical alignment tasks
• DIY renovation and small contractor jobs

Key specifications

• Projection type: visible line
• Operating range: 10 m
• Accuracy: ±0.5 mm/m
• Self-levelling range: ±4°
• Power supply: AA batteries
• Battery runtime: up to 5 hours
• Physical format: compact handheld/portable design

How to use

Place the Universal Level 3 on a flat surface or mount it on a compatible tripod or bracket at the desired height and roughly align it toward the target surface. Switch the unit on and allow the self-levelling system to stabilise; the device will automatically correct small tilts within the ±4° range. Use the projected line as a reference for marking or positioning fixtures. For extended sessions, monitor battery level and replace AA batteries when projection intensity decreases.

Usage recommendations

For best results, operate the level within its specified 10 m range and on relatively stable surfaces. Avoid using the device beyond the self-levelling angle limits; for larger angular adjustments, manually level the unit or use a tripod with fine adjustment. Store the unit in a dry place and remove batteries if storing for long periods to prevent leakage.