LZ1690 Gas Chromatograph
Product Features
1. The new model adopts back pressure valve shunt/non-shunt mode;
2. It can be used for six-way temperature control, in which AUX1 controls the external heating device, column temperature and AUX1 with five-order program heating;
3. Gas circuit controller adopts external type. Capillary gas circuit box and gas- assisted gas circuit box are placed independently.The air flow ratio regulation is intuitive and easy to understand, and the control is flexible. Once a certain gas path problem occurs, it can be switched immediately, which has no effect on the operation of the main engine and is convenient to maintain;
4. The wind blades in the main engine are moulded at one time, which has good weighting and avoids noise caused by unbalance in operation;
5. Use vertical column box, beautiful and generous shape, and occupy a small area;
6. The noise is small. The blades in the main engine are molded at one time, which has good symmetry and avoids the noise caused by unbalanced operation;
7. Sampler: Large caliber capillary WBC injection, six-way valve air intake style.
Technical standards

Items	Parameters
Temperature range	Room temperature+7℃-420℃
Temperature accuracy	Superior±0.1℃
Internal volume	240*160*360
Program order	5