The General Recommendations of the case & stem length of the thermometer

Case (Dial) Size:

Recommended Case(Dial) Sizes:1”, 1-3/4”,2”,3”,5”

Stem Length：

Industrial Applications:2-1/2”,4”,6”,9”,12”,15”,18”,24”

Note: Nonstandard stem lengths may be required for special applications. Soe ranges may not be available whith stem lengths shorter tan 4 inch. Where applications require a thermowell, stem length and diameter must be compatible with the thermowell.

Laboratory Application:

Typical stem length for the laboratory application of the bimetallic actuated thermometer is 8 inch. 

Pocket Thermometer:

Typical stem length for the laboratory application of the bimetallic actuated thermometer is 5  inch.