V shaped industrial glass thermometer 1.Material:aluminum case,brass stem or ss stem as required 2.Size:110,150,200mm as required 3.Temperature range:-50+600C/F as required 4.Stem length:20-250mm as required 5.Inlet thread:1/2 BSP or as required 6.Accuracy:1.0 7.Use:heating,ventilating,air conditioning,refrigerating system. 8.OEM/ODM supply