Product description This instrument absorbs the advanced technology of similar products at home and abroad, and can set up various parameters through the keyboard. This machine has a power down protection, over temperature protection, "0" C protection and gas protection, automatic electronic ignition, etc. it has the characteristics of stable and reliable performance, simple and reasonable structure, simple operation, high expansibility, etc. Technical index Temperature control: a. Chromatographic column chamber temperature a.1 Temperature control range: room temperature +8 400(Set the temperature increment 1) a.2 The precision of temperature control: It is±0.1, which is below 200;