The knife edge thermocouple of furnace tube is directly connected to the surface of furnace tube by knife edge joint, which is suitable for the temperature measurement of furnace tube and tower wall in petroleum industry. It is an important temperature measuring device for fractionator in refinery.

Main technical parameters:

★ electrical outlet: M20 × 1.5, npt1 / 2

★ accuracy grade: I, II

★ protection grade: IP65

★ nominal pressure: 10MPa