Probe for Temperature Measurement and Oxygen Determination HF-TO-S(R) is used for the measurement of temperature and oxygen activity in the process such as RH, LF furnace for tapping side refining and Argon station.

With a high success ratio of measurement, superior repeatability and quick response time, this oxygen determination probe reflects actual metallurgical Condition or state in steel making and correctly guides the production of various steel grades.

Technical Specifications

• Measurement range:
  Liquid steel: 1450~1750℃ oxygen electric potential: -300~+300mv Oxygen activity: 1~1000ppm
• Thermocouple wire: in accordance with GB/T18034
• Oxygen battery: (-) Mo/Cr+Cr2O3// ZrO2 (MgO)//a(O)Fe/Fe(+)
• Precision: reproducibility of oxygen battery: 2mv at 1600℃
  Precision of thermocouple: 0~3℃ at 1554℃ (Pd point)
• Response time:
  Oxygen battery: 4~5s thermocouple: 2~3 s whole process of oxygen determination: 8s
• Comprehensive success rate in determination: above 98%