We are a manufacturer of a wide range of products which include K type thermocouple, J type thermocouple, T type thermocouple, E type thermocouple, exposed junction thermocouple and base metal thermocouple.
Platinum and rhodium thermocouple commonly known as S-type thermocouple or precious metal thermocouples. Thermocouple series has the advantages of high accurate, best stability, wide-temperature range, long life. long-term maximum temperature range is 0~1300 ℃, short-term maximum temperature range is 0~ 1600 ℃.
1.S type thermocouple
Type S thermocouples are constructed using one wire of 90% Platinum and 10% Rhodium (the positive or “+” wire) and a second wire of 100% platinum (the negative or “-” wire). Like type R, type S thermocouples are used up to 1600 °C. In particular, type S is used as the standard of calibration for the melting point of gold (1064.43 °C).
Type B thermocouples use a platinum–rhodium alloy for each conductor. One conductor contains 30% rhodium while the other conductor contains 6% rhodium. These thermocouples are suited for use at up to 1800 °C. Type B thermocouples produce the same output at 0 °C and 42 °C, limiting their use below about 50 °C.
|Type||Graduation||Protection Tube (mm)||Measuring Range℃|
|WRP||S||300||150||φ16||High AL Content Tube||0-1300|
|WRQ||R||900||750||φ16||High AL Content Tube||0-1200|
|WRP-100||S||252||252||φ7||High AL Content Tube||0-1200|