Vibration, rotary paddle and tilt: SITRANS LPS200 [1] SITRANS LVL100 and LVL200 [2] SITRANS LVS100 and LVS200 [3] Ultrasonic: Pointek ULS200 [4] Capacitance: Pointek CLS100 [5] Pointek CLS200 and CLS300 [6] Pointek CLS500 [7]