Dipping type optical fiber radiation thermometer for molten metal thermometry and thermometry method for molten metal

摘要: Dipping type optical fiber radiation thermometer for measuring temperature of molten metal, which comprises: a metal pipe covered comprising an core wire condenses light at the front end thereof and guides condensed therethrough to back thereof, made heat resisting nickel-based alloy covers protects wire, thermo-metering means connected with rear calculating value in proportion radiant energy guided thereto; wherein penetrates wall container is positioned be almost or just flush inner surface protrude through predetermined length; thermometry method using dipping thermometer: comprises retained by separate means, correcting calculated determined thermometer, on basis result obtained means.