For high temperature in the h _ 2s burner chamber and the strict temperature control requirements , the features , functions and operating principles of the infrared high temperature thermometer are highlighted . it is compared to the thermocouple thermometer and practices have proven that the infrared high temperature thermometer features higher temperature measurement precision , longer service life and stable performance , etc 針對硫化氫焚燒爐爐膛溫度高及溫度控制的嚴格要求,介紹了紅外高溫測溫儀的特點、功能及其工作原理,比較了它與熱電偶測溫的優(yōu)缺點,實踐證明紅外高溫測溫儀具有溫度測量精度高、使用壽命長、性能穩(wěn)定等特點。