ATEX Compliant 52- (ATEX directive category 1 compliant) Specification 4 (With intrinsically safe explosion protection construction + Output + HART transmission mode) Accessories None External Scale Plate H (With External Scale Plate) LCD Window None Connection (Air - Electric) M (Rc1/4 - M20x1.5) Suffix ATEX Temperature T4/T5 (-20 to 80В°C)