The Sealed Matching Layer type transducers are designed specially for factory automations and level measurements, which includes two major matching layer materials, Silicone Rubber and Glass Filled Resin. The SML type transducers cover frequency range from 25KHz to 500KHz and the measuring distances are from few centimeter up to around 20 meters. Glass filled resin GE type transducers can be arraged upon request.

These type transducers are fully sealed can meet NEMA 4X, 6P and IP67 requirements.