The Valcom 86 is a Pressure and Level Transmitter that is available with piezoresistive (P series) or Ceramic (C series) Sensor. Piezoresistive Sensors are based on silicon chip resistive Wheatstone bridge while ceramic Sensor are thick film Sensors based on strain gauge principle with backplate and diaphragm in ceramic material. The Valcom 86 allows zero and span adjustment and can be provided with aluminium or stainless steel housing.