GC-90F reverse control version gas chromatograph

GC-90F reverse control version gas chromatographFeatures:

1. The instrument adopts a fully microcomputer control system, with a large screen LED display in both Chinese and English, providing rich and intuitive display content. Parameter setting and operation are very convenient.

2. Brand new digital design, built-in low-noise, high-resolution 24 bit AD circuit, and with baseline storage and baseline deduction functions; Has excellent reliability and anti-interference ability,

3. The instrument adopts the 10/100M adaptive Ethernet communication interface with excellent technology and built-in IP protocol stack, so that the instrument can easily realize long-distance data transmission through the enterprise's internal LAN and Internet; Facilitating the setup of the laboratory, simplifying the configuration of the laboratory, and facilitating the management of analytical data;

4. The instrument can be connected to the manufacturer through the Internet to realize remote diagnosis, remote program update, etc. (user permission is required);

5. A brand new microcomputer temperature control system with high temperature control accuracy, reliability, and anti-interference ability; Equipped with a six channel independent temperature control system, it can achieve sixteen step programmed temperature rise, enabling the device to handle a wider range of sample analysis; Equipped with a column box automatic rear door opening system, the precision of low-temperature control is improved, and the speed of temperature rise/fall is faster;

6. The instrument can be equipped with two packed column gasification chambers and one capillary gasification chamber simultaneously, as well as two capillary gasification chambers simultaneously, and can be expanded from a single amplifier to a dual amplifier. According to different analysis applications, different combinations can be used to install up to three detectors simultaneously, such as FID, TCD, ECD detectors, etc. Can easily achieve the series and parallel operation of detectors. Truly achieving one machine with multiple uses.

7. The instrument can be equipped with capillary columns of different specifications (caliber 0.2-0.53MM), and its reasonable capillary injection system design (with split/non split injection, diaphragm blowing, and tail blowing systems) makes the out of column effect small and the column efficiency high; To achieve a peak shape with high chromatographic peak height, narrow half peak, and no tailing, thus obtaining accurate and good repeatability quantitative results.

8. The instrument adopts a modular design, making installation simple and maintenance more convenient; The new FID has a lower detection limit, making it easy to disassemble and clean the nozzle and ion collection electrode. The accurately fixed emitter installation structure ensures high consistency in the performance of each instrument.

9. The gas circuit adopts a dual design of first stabilizing the voltage and then stabilizing the current; Stable regulation mode, with high precision, high reliability, and convenient and intuitive flow regulation. Equipped with gas/air leakage protection and prompt function, it can automatically cut off TCD bridge current to protect rhenium tungsten wire from injury.

10. The instrument can be equipped with excellent electronic flow controllers (EFC) and electronic pressure controllers (EPC) to achieve digital control of the gas path, which can greatly improve the stability and reproducibility of quantitative results;

11. It has power-off protection, over temperature protection, and power on self-test functions.

technical indicators

1. Column box

Temperature control range: 6 ℃ to 400 ℃ at room temperature

Temperature control accuracy: within 200 ℃, the accuracy is ± 0.1 ℃

The accuracy is ± 0.2 ℃ within the range of 200 ℃ to 399 ℃

Program heating range: At room temperature of 6 ℃ to 400 ℃

Number of ascending orders: Nine orders (can be increased to 16 orders)

Cheng Sheng rate: 0.1 ℃ to 40 ℃, with increments of 0.1 ℃. At the beginning, the termination time range is 0-6000min, with increments of 1min

2. Sample injector

Temperature control range: At room temperature of 6 ℃ to 400 ℃

3. Hydrogen flame ionization detector (FID)

Sensitivity: Mt ≤ 1 × 10^-11G/s (n-hexadecane)

Noise: ≤ 5 × 10^-14Drift A: ≤ 1 × 10^-13A/15min linear range: ≥ 10⁶

4. Thermal conductivity detector (TCD)

Sensitivity: S ≥ 5000mV · ml/mg (n-hexadecane)

Noise: ≤ 20 μ V Drift: ≤ 30 μ V/15 min Linear range: ≥ 10⁴