Level sensor, Switch, Siemens, Transmitter, Ultrasonic, Radar, Flowmeter, Water level gauge, Orifice
MODEL: STT-S-1-A-1-A-1-A, STT-X-1-A-1-A-1-A, STT-T-1-A-1-A-1-A, STT-P-1-A-1-A-1-A, STT-S-2-A-1-A-1-A, STT-S-1-A-5-A-2-C