E58 series, product features: Sensors with a diameter of 18 mm or 30 mm. Unmatched optical performance - sophisticated optics for long ranges detect targets even in dirty environments. Perfect Prox® technology offers excellent background suppression and an extremely high radiant power factor. Resistant to many chemicals used in the automotive, food and forest products industries. Suitable for high temperatures and high pressure cleaning (82 bar). Mechanical Viton seals are resistant to extreme temperature changes. The visible measuring beams of all models simplify installation and alignment of the light sensors. The function display has an unmatched luminosity and is visible from any direction and in all