Grind function 2 Detection sensors Switching times: Light to Dark: 0.1ms, Dark to Light: 0.1 - 0.9 secs Cartridge size: 110 x 90mm Viewing area: 90 x 40mm Adjustable stepless sensitivity/delays Tig welding from 5 amps UV/IR protection up to DIN 15 Optical classification: 1/1/1/2