2. Maintenance 2.1 protect the casing wear .2.1.1 visual inspection visual inspection: use pliers or pipe wrench to protect the tube temperature sensing element is removed, check the protective tube should not be bent, skew, partial pressure, blockage, crack, trachoma and severe corrosion and wear and other defects. For element protective tube Pt100 RTD retail welded on the pipe can not be removed because it is restricted distribution Pt100 RTD, should take advantage of the size of the repair time for protective tube inspection and maintenance. Improve industrial resistance temperature accuracy and stability of the traditional means are hard on the element purity, packaging technology, the production process; on from the calculation method gives a new idea is a precision platinum resistance and industrial platinum resistance temperature money transfer and improve traceability system laid the foundation, and can be widely applied in the field of industrial platinum resistance temperature. Shanghai Automation Instrumentation _Pt100 force measuring thermal resistance Pt100 RTD quote _ Tianjin force measured by the Shanghai Automation Instrumentation Co., Ltd. Shanghai Automation Instrumentation Co., force measurement (www.licesh.com) located in Zhabei District Luochuan Road 638. Scraps and development in the wave of market economy, the current force measurement since the instrument has a high profile in the flow meter, and enjoys a good reputation. Force measurement instrument made from the entire network business alliance certification, marking our service and management level has reached a new height. Force measurement instrument from the staff willing to work with all people of insight and common development, for a better future.