DTFXL2-KA1-NN : This Integral Clamp-on Ultrasonic Transit Time Flowmeter indicates Rate and Total flow. It is easy to program and installs in seconds on most pipe materials and sizes. Recommended for full pipe, clean liquids applications such as water, well water, final effluent, chilled water, process water, DI water, RO water, oil, chemicals, flow monitoring and process control.