Impact-resistant polystyrene plastic level that will withstand temperatures between -15°C and +60°C. Unbreakable, highly transparent and durable block vials with a luminous reflector on the horizontal vial. It also has a V-groove to enable use on pipes. Sensitivity of 10 mm/m and a tolerance in normal position of ± 1.0 mm/m. The vial fluid is a low viscosity, coloured oil mixture that gives the bubble the best possible conditions for movement and is resistant to UV light and temperature fluctuations. The bubble is not affected by static electricity as the fluid is anti-static.