Strong, easy to hold aluminium profile measuring 51. 5x25. 3 mm and weighing 630 g/m. Crush-proof block vials that are highly transparent and durable. Horizontal vial with a +30% magnification lens and luminescent reflector. Shock absorbing end protectors and temperature-proof vial mountings.
The radius of the vial is 200 mm, giving a sensitivity of 10 mm/m. Tolerance in normal position is +-0. 5 mm/m, upside down +-0. 75 mm/m. The liquid in the vial is a low viscosity coloured oil mixture that gives the bubble optimal freedom of movement. Highly resistant to ultraviolet light and temperature fluctuations.
The anti-static properties of the liquid means that the bubble is not affected by static electricity.
