This tuning fork level switch from Sapcon Instruments, known as the SLM series, is best suited for you if your operational unit involves level limit detection of* Fine grained free flowing solids including very low density and pneumatically conveyed media, powders, plastic chips, cement, sand, sugar, food grains* For detecting level of granular solid material submerged in liquids of low viscosity, like sand, gravel, plastic chips under water.* For applications requiring the processing of different type of material in the same vessel.SLM series (vibrating fork switch) can indicate a full tank to switch conveyers off and can indicate an empty tank to avoid stoppage of production. Many of our customers in the in cement, power, chemical, man-made fiber and food industries (just to name a few) have used this fork based level switch successfully and have been happy with the rugged performance.