What is the model of bimetallic thermometer?

For bimetallic thermometer production standards, there is no a model to do a unified regulation, are made by individual manufacturers to prepare, so a lot of people at the time of purchase of bimetallic thermometer, given a bimetallic thermometer model also is not standard, when ask its concrete parameters of the model, also don't understand what the parameters, this is very trouble, according to the production of bimetal thermometer samples, sums up the instrument, its type specimens should include the following content: ( 1) Bimetallic thermometer code ( WSS） ； （ 2) Watchcase nominal diameter, such as 60 mm, 100 mm, 150 mm or other size, Numbers can be used; （ 3) Type structure, such as, the axial and radial type, universal type or other form, can use digital representation; （ 4) Installation, if there is no fixed device, external thread connection, the threaded connection, flange connection, etc. , can use digital representation; （ 5) Note that, such as electric contact type, oil filled type, such as anti-corrosion type, can be all capital letters in English.