What are the type of level and flow instruments used for water and waste water treatment application?

Level instruments used for Water and Waste water treatment are

1.Pulse Burst Radar transmitter 2.Guided wave radar transmitter 3.Ultrasonic transmitter 4.Thermal dispersion switch 5.Magnetic level indicators 6. Displacer switches

Flow instruments used for water and waste water treatment applications are

1.Electromagnetic flow meter 2.Thermal dispersion flow meter and switches 3.Ultrasonic transmitter for open channel flow 4.Pulse burst radar for open channel 5.Mechanical flow switches