Which measurement more accurate bimetallic thermometer to buy?

Bimetallic thermometer is a professional instrument of measuring various kinds of medium temperature, on the industrial equipment, household and laboratory use. The bimetallic thermometer which measurement more accurate buy? Model: A300C - 1 ( WSS3B825150) Type: hot shell bimetallic thermometer structure: universal type cover circle: flange type, tray type panel material: stainless steel SS304 tooth head: 1/2 & quot; NPT other optional surface diameter: 80 mm heat pipe diameter: 6. 35 mm heat pipe length: 150 mm ( 50 - Optional) around 2000 mm. Temperature range: 0 - 150 c F ( Can be customized) Accuracy: & plusmn; 1. Table: 5% glass protection grade: IP65 ( Dust, water) According to the common bimetallic thermometer parameters shows that the structure of the bimetallic thermometer, tooth head, panel diameter, temperature range, etc. Can be customized according to customer requirements. Under normal circumstances, the instrument working temperature should be 3/4 point is suitable in the range of the panel. So, bimetallic thermometer which measurement more accurate buy? Should buy table card range is appropriate. Bimetallic thermometer, for example, the working temperature is 100 degrees Celsius, so is suitable for the range is 0 to table CARDS 150 degrees Celsius.