Spirit Level Aluminium HV 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. Sizes: 400mm, 600mm, 800mm, 1000mm, 1200mm, 1400mm, 2000mmSKU: 411001Read more