The first non-sparking spirit level, which is fully insulated to 1000V according to EN60900: 2004. Round horizontal vial with a magnifying effect. Smooth horizontal vial provides distortion-free view of the vial bubble, also in the case of inverted measuring. Measurement accuracy (0.5 mm / m) in the normal position. Inverted measurement (0.75 mm / m). Longer service life due to shock-absorbing rubber end.

Our Spirit Level glossary (PDF) provides a good comparison of the selected BMI Levels: The 690, 691, 692, 695, 698 and 699 and the 660, 661 and 665 models are listed here.

Spirit Level glossary (PDF)