SP-7890B Zirconia Gas Chromatograph

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BM-7890B Zirconia Gas Chromatograph

The SP-7890B zirconia gas chromatograph is the latest generation gas chromatography product developed by our company, specifically designed for the analysis and detection of trace amounts of O2, H2, CH4, CO, and CO2 in high-purity nitrogen or high-purity argon. Building upon the existing zirconia-based dedicated detector, it incorporates a nickel catalyst converter and a high-sensitivity flame ionization detector, enabling comprehensive analysis of trace impurities in high-purity nitrogen with a single injection.

Model: BM-7890B Zirconia

The BM-7890B Zirconia Gas Chromatograph is the latest generation of gas chromatography products developed by our company, specifically designed for the analysis and detection of trace amounts of O2, H2, CH4, CO, and CO2 in high-purity nitrogen or argon. Building upon the original zirconia-based detector, it incorporates a nickel catalyst converter and a high-sensitivity flame ionization detector (FID), enabling comprehensive analysis of trace impurities in high-purity nitrogen with a single injection.

This instrument features a liquid crystal display with both Chinese and English language options, fully digital parameter operation, high integration, simple operation, high degree of automation, and excellent reliability, making it suitable for long-term operation. Its cost-performance ratio ranks among the best in similar domestic products.

Main Performance Features:

1. Adopts a 320 x 240 dot matrix 5.7-inch large-screen LCD display with Chinese/English options, providing real-time display of various temperatures and operating conditions, ensuring clear and intuitive content and true human-machine interaction.

2. Self-checking upon power-on, automatic heating, and wide-range self-diagnosis function, accurately identifying fault locations and triggering alarms.

3. Six independent temperature control channels (vaporization chamber and capillary vaporization chamber can be independently controlled), and eight-stage programmed temperature control function;

4. Over-temperature protection function: If any channel exceeds the set temperature, the instrument automatically cuts off power and triggers an alarm;

5. Unique vertical heating device ensures more reliable sample vaporization and minimizes heat radiation from the vaporization chamber, ensuring minimal temperature deviation within the column oven.

6. Intelligent fuzzy control rear door opening system automatically tracks temperature and dynamically adjusts the damper angle, enabling precise temperature control even near room temperature;

7. Equipped with packed column head injection, glass-lined injection, and a capillary split/splitless injection device with diaphragm cleaning function, and can also accommodate a gas injector.

8. High-precision dual-stable gas path, allowing for the simultaneous installation of four detectors.

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