NELE NLSC-20A super thermostatic Bath (Water/Oil) Temperature range RT+~ 200 ℃, Temperature uniformity (horizontal/vertical) +/- 0.05 ℃, NLSC-20A super thermostatic Bath (Water/Oil) using domestic circulation system for porous U-shaped reflux circulation principle design, to achieve the flow field and temperature field in the tank turbulence and high uniformity.