ULTRASOUND SENSOR, MEASUREMENT TYPE: LEVEL DETECTION, MICROWAVE BARRIER: 24 TO 125GHZ, VOLTAGE: 85-253VAC, FREQUENCY: 50-60HZ, HEAD: F16, PROTECTION: IP66, CABLE ENTRY: 1 2” NPT THREAD, PROCESS CONNECTION; ANSI THREAD 1-12” NPT 316TI, TRANSMISSION WINDOW: PTFE, MANUFACTURER NAME: ENDRESS HAUSER, MANUFACTURER DESIGNATION: FQR56-AAAADVE21