Piezoelectic sensor for pour-point, viscosity analysing instrument

The utility model relates to a piezoelectic sensor for pour-point and viscosity analyzing instrument, comprising a piezoelectric buzzing slice with three terminals. The utility model is characterized in that the common slice of the piezoelectric buzzing slice is connected with metal pipes; energize vibrate slices and detecting vibrate slice are respectively welded with a leading wire; the leading wire is lead out from the metal pipes after the leading wire penetrates through the small hole on the middle part of the piezoelectric buzzing slice; the position which is close to the piezoelectric buzzing slice in the metal tubes is provided with the temperature measuring elements of the leading wire; the metal tubes are connected with a ground line; the inner parts of the metal tubes are sealed by embedding paste. The utility model is suitable for measuring the pour-point and viscosity on line and in a laboratory. The utility model has the advantages of strong adaptability, stable operation, high sensitivity, and good repeatability.