【Summary】    The high-precision dependable cartridge is one kind of consumable sensors, which is set on the holder assembly of CE meter. It is used for measuring CE of molten iron, AE of aluminium melt or carbon content of molten steel. The creteria for high-precision cup are : coincidence of heat content and heat conductivity, smaller heat inertness of sensor and high accuracy for temperature measurement from different lots of cup.    The simplest method to evaluate cartridge quality is:    Under same conditions of temperature and composition of the molten iron, take samples and measure continuously. Comparing the differences of liquidus and solidus temperature from different cups, you can conclude that the smaller the difference, the better the quality. 【Product And Application】 Model Sensor Accuracy Characteristics Application H-3PW Horizontal 0.1% F.S Oblige Chill Cupola, molten iron of lower temperature ，high-sensitivity to composition H-3PG Horizontal 0.1% F.S Expansion-resistant Cupola, molten iron of lower temperature ，high-sensitivity to composition H-3QW Vertical 0.1% F.S Oblige Chill Cupola, molten iron of lower temperature ，high-sensitivity to composition H-3QG Vertical 0.1% F.S Expansion-resistant  Cupola, molten iron of lower temperature ，high-sensitivity to composition H-3QT Vertical 0.1% F.S Oblige Chill Induction Furnace, molten iron of high temperature and low-sensitivity to composition H-3GC Vertical 0.1% F.S Oblige deoxidation Determination of carbon content at end of oxidation of steel-making process H-3AL Vertical 0.1% F.S   Deterioration measurement for Al-Si alloyed melt