Tuning fork level switch；Approval II 1G, 1/2G, 2G Ex ia IIC T6...T1 Ga, Ga/Gb, Gb + II 1D, 1/2D 2D Ex t IIIC T* Da, Da/Db, Dc IP66；Version / Process temperature Standard / -50...+150°C；Process fitting / Material Thread G1½ PN25, DIN3852-A / 316L；Electronics NAMUR signal；Housing / Protection Aluminium single chamber / IP66/IP67；Cable entry / Cable gland / Plug connection M20x1.5 / with / without；Additional equipment without