Our latest gas chromatograph sets itself apart with the integration of a large-screen Chinese LCD display, ensuring clear data visualization and intuitive operation for Chinese-speaking users. By assimilating the most advanced technologies of comparable products worldwide, this instrument has achieved a comprehensive enhancement in functionality and reliability: its keyboard-enabled parameter setting simplifies operation, while built-in safeguards cover power failure protection (to preserve data), over-temperature protection, 0℃ protection, gas supply interruption protection, and automatic electronic ignition, eliminating operational risks. Beyond these core protections, it excels in performance stability, structural simplicity and rationality, ease of use, and high expandability to adapt to diverse analytical needs. Notably, it is equipped with a proprietary column chamber tracking temperature control function, optimizing separation efficiency for complex samples. In terms of configuration, it combines dual flame ionization detectors (FID), thermal conductivity detectors (TCD), and a methane converter, enabling multi-component analysis with high sensitivity and accuracy.
Thanks to its robust performance and versatile applicability, this gas chromatograph has gained widespread usage in key industries and sectors including petroleum exploration and refining, power generation and distribution, coal processing, chemical manufacturing, university laboratories, and scientific research projects.
Technical Performance:
1. Temperature Control:
| Chromatographic column chamber temperature |
• Temperature control range: Room temperature + 4℃ to 450℃ (set temperature increment 1℃)
• Temperature control accuracy: ±0.1℃ within 200℃
±0.2℃ above 200℃
• Deviation between indicated temperature and set temperature is no more than 0.5℃
• Deviation between actual temperature and indicated temperature is no more than 2%
• Maximum heating power: 1500W
• Temperature sensing element: PT100 corundum ceramic platinum resistance
|
| Flame ionization detector (FID) chamber temperature |
• Temperature control accuracy: ±0.1℃ within 200℃
±0.2℃ above 200℃
Maximum operating temperature: 450℃.
• Uses horizontal heating, two 100W internal heating stainless steel heating rods
• Temperature sensing element: PT100 corundum ceramic platinum resistance
|
| Thermal conductivity detector (TCD) temperature |
• Temperature control accuracy: ±0.1℃ within 200℃
±0.2℃ above 200℃
Maximum operating temperature: 450℃.
• Uses vertical circular heating, two 100W internal heating stainless steel heating rods
• Temperature sensing element: PT100 corundum ceramic platinum resistance
|
| Conversion furnace temperature |
• Temperature control accuracy: ±0.1℃ within 200℃
±0.2℃ above 200℃
Maximum operating temperature: 450℃. • Horizontal heating design, using two 100W internal heating stainless steel heating rods
• Temperature sensing element uses PT100 corundum ceramic platinum resistance
|
2. Thermal Conductivity Detector
(1) Sensitivity: S ≥ 3500 mv·ml/mg (benzene, H2)
(2) Noise: ≤ 0.01 mv
(3) Drift: ≤ 0.2 mv/h
(4) Built-in preamplifier
(5) Semi-diffusion type, 100Ω four-arm rhenium-tungsten filament
(6) Constant current power supply mode
3. Flame Ionization Detector
(1) Detection limit M ≤ 3 × 10⁻¹² g/s
(2) Noise: ≤ 5 × 10⁻¹⁴ A
(3) Drift: ≤ 1 × 10⁻¹³ A/30min
(4) Full collector type, corundum nozzle
(5) Platinum ignition filament
Instrument Normal Operating Conditions:
| Ambient temperature |
0–40℃ |
| Relative humidity |
Below 85% |
| Power supply |
AC 220V±10%, 50Hz±0.5Hz |
| Power consumption |
Approximately 2KW |
