The new gas chromatograph is equipped with a large-screen Chinese LCD display. Incorporating advanced technologies from both domestic and international counterparts, it allows parameter configuration via keyboard operation and is integrated with multiple protection functions, including power failure protection, over-temperature protection, 0℃ protection, gas cut-off protection, and electronic auto-ignition. Boasting stable and reliable performance, a streamlined and rational structure, user-friendly operation, and excellent expandability, this instrument also features a unique column oven tracking temperature control function. It is configured with dual flame ionization detectors (FID), thermal conductivity detectors (TCD), and a methane converter.
Performance Characteristics:
The XHSP1700 power-specific gas chromatograph utilizes a three-detector system, allowing for the complete analysis of eight dissolved gas components (H2, O2, CH4, C2H2, C2H4, C2H6, CO, CO2) in insulating oil with a single injection. The detection limits meet the following specifications for a 1mL sample volume: H2 ≤ 2 ppm, C2H2 ≤ 0.1 ppm, CO and CO2 ≤ 2 ppm. Qualitative repeatability: deviation ≤ 1%; Quantitative repeatability: deviation ≤ 3%.
Instrument Normal Operating Conditions:
1. Ambient temperature: 0–40℃.
2. Relative humidity: Below 85%.
3. No strong electromagnetic field interference or corrosive gases in the surrounding environment.
4. The workbench should be stable and free from strong vibrations.
5. Power supply: AC 220V±10%, 50Hz±0.5Hz.
6. Power consumption: Approximately 2KW
Technical Performance:
| 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
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