SITRANS Probe LU240 Ultrasonic level transmitter ideal for level, volume, and volume flow measurements. It works with liquids, slurries, and bulk materials up to 12 m (40 ft). . Communications: HART (4 … 20 mA) level, volume, volume flow Ingress protection: IP66, IP68, TYPE 4X, 6 Measurement range/ wetted parts: 200 … 6000 mm (7.87 … 236.22 inch), PVDF Copolymer Process connection: 2″ NPT