Feature 1.Accurate temperature measurement 2.Integrated design: Simple assembly,easy to replace 3.99 corundum tube temperature and anticorrosive Specification Name: platinum and rhodium thermocouple Model: WRP-100 Graduation: S Probe diameter: 8mm Probe length: 225mm Wire diameter: 1.2mm Measuring range: 0-1300C Precautions 1.Do not bump, the tube is easy to break. 2.Don'for t install sideways. Fix the thermocouple, or the vibrations can cause damage in the industrial field. 3. When heating, corundum tube will expand. Please retain sufficient expansion space, or the tube is easy to rupture. 4. Avoid dramatic changes in temperature. Be sure to let the protective tube have sufficient warm-up for time. When pulling the thermocouple out of the furnace, it must be slow or it will rupture! 5. Don'for t put the thermocouple directly onto the ground after it is pulled out of the furnace! Note: Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package included 1x WRP-100 Thermocouple