... automaticHeating systemHeating mode of heating tube, PID control, maximum: 350°C±1.5°CWorking gas gassingGas mass controller ... curve, has high control precision and can also adopt single wavelength control, automatic control and manual control. The additional MACILEOD ... and high repeatability, and upper computer to realize automatic control.4. Domestic light controller: Wavelength 330-870, adjustable, ...