Gas chromatograph manufacturer

1、 Product Features

1. The SP-7860 gas chromatograph is manufactured using a large number of imported components for laboratory testing and analysis. It has the characteristics of good stability and reliability, stable gas flow path, simple structural design, beautiful appearance, complete supporting facilities, strong professionalism, and long service life.

2. 7-inch dot matrix Chinese LCD (can be equipped with touch screen), user-friendly design interface, one click operation

3. Laboratory testing and analysis of SP-7860 gas chromatograph * with a split flow capillary injection system (including diaphragm blowing) to ensure sample stability.

4. Data power-off protection function, the operating data set by the instrument can be saved for a long time after power failure.

5. Equipped with over temperature protection device. If the temperature exceeds the set point, the instrument will stop heating and report the fault on the display.

6. The instrument design is reasonable and flexible, capable of installing three types of detectors simultaneously, and has independent circuit systems and signal output terminals.

7. Flexible packed column and capillary column system, capable of connecting capillary columns of different diameters.

2、 Temperature control indicators:

Laboratory testing and analysis SP-7860 gas chromatograph

Column box: Accuracy ± 0.05 ℃ (measured at 200 ℃) at room temperature between 8 ℃ and 420 ℃.

Sample injector: Accuracy ± 0.05 ℃ at room temperature between 8 ℃ and 420 ℃ (measured at 200 ℃).

Detector: Accuracy ± 0.05 ℃ at room temperature between 8 ℃ and 420 ℃ (measured at 200 ℃).

Z-six channel temperature control: suitable for multiple temperature control requirements such as installing conversion furnaces.

Column temperature box parameters:

Temperature control accuracy: accuracy ± 0.1 ℃ at room temperature between 8 ℃ and 420 ℃.

Column temperature box volume: 280mm × 300mm × 250mm.

Program heating order: eight orders. (21 levels can be added)

Program heating rate: 1 ℃ -50 ℃.

Constant temperature holding time for each stage: 0-300min (1min increments).

Automatic rear door design ensures rapid cooling.

A high-power, low-noise rotating fan ensures temperature uniformity.

3、 Gas system:

Laboratory testing and analysis SP-7860 gas chromatograph

The carrier gas flow rate adopts a dual stability design of first stabilizing and then stabilizing the flow.

Scale type pneumatic control valve components have high reproducibility and stability.

4、 Injection method:

Fill the column head for injection.

Filling column gasification injection.

Capillary diversion/non diversion injection: back pressure valve control technology, linear diversion.

Six way valve gas injection.

Online injection: 24-hour continuous injection without supervision.

5、 Laboratory testing and analysis of SP-7860 gas chromatograph high-sensitivity detector (FID) parameters to ensure data accuracy