AISI 304 (1.4301) bottom -1 ... 20 bar 4...20 mA HART M16 cable gland Plastic PA G 1/2 A DIN 3852-E (G51) AISI 316L (1.4404) FKM (Viton) FDA approved white oil (T ≥ -5°C) Ex ia IIC T5 Ga EX II 1G (Gas) or Ex ia IIIC T100°C Da EX II 1D (Dust) without display