Pointek CLS100 RF Capacitance point level switch, stainless steel process connection. Detects level and interface in liquids, solids, slurries and foam. Compact, with 100 mm (4 inch) insertion, adaptable sensitivity, with the ability to tune out build-up on probe. . . Process connection: R 1" ((BSPT), EN 10226/PT (JIS-T), JIS B 0203) Approval: CSA/FM Class I, II and III, Div. 1, Groups A, B, C, D, E, F, G T4; ATEX II 1 GD 1/2GD EEx ia IIC T4 to T6 T107 'C Device version: Enclosure version (PPS probe), M20x1.5 cable inlet Overfill Protection: Not required