The difference between the control methods of carbon dioxide incubators in Shanghai

The first method is a proportional control system, which relies on a simple flowmeter-based approach. This method uses two glass tube flowmeters to continuously introduce CO2 into the incubator chamber. Over time, the CO2 concentration inside the chamber approaches the gas ratio set by the flowmeters. However, this system lacks real-time monitoring and feedback, making it an open-loop control system. As a result, manual adjustments are often required to maintain the desired CO2 level, especially when temperature or gas pressure fluctuates. While this type of incubator is cost-effective and suitable for short-term experiments, it generally offers lower precision, slower response times, and higher gas consumption compared to more advanced systems.

The second control method employs an imported infrared microcomputer CO2-specific sensor, offering greater accuracy and reliability. This system uses infrared technology to measure CO2 concentration by detecting the absorption of infrared light by CO2 molecules. The infrared sensor provides high linearity and sensitivity, capable of measuring concentrations as low as 0–20 ppm. Although the design is more complex and the cost is higher, this method is widely used in applications such as air quality monitoring and greenhouse environments due to its precision and stability.

Shanghai Xinzhuang Instrument integrates this advanced infrared sensor into its incubators, allowing users to directly view the CO2 concentration inside the chamber. This feature enhances control and ensures a more stable environment for cell culture and biological experiments.

In addition to the CO2 control system, the incubator includes several other key features that enhance performance and usability:

1. The inner chamber is constructed from high-quality stainless steel, ensuring durability, cleanliness, and resistance to corrosion.
2. A microcomputer-controlled PID temperature system ensures precise and stable temperature regulation, with an LED digital display for clear visibility.
3. The double-door design prevents temperature and humidity fluctuations when observing the internal chamber through the tempered glass door.
4. The CO2 sensor is an imported infrared probe from Finland, providing accurate and reliable CO2 readings.
5. An independent door heating system helps prevent condensation on the inner door glass, improving visibility and reducing maintenance needs.
6. A water tray is used for natural humidification, with a built-in humidity meter for direct monitoring.
7. An ultraviolet germicidal lamp is included for periodic disinfection, helping to maintain a sterile environment and prevent contamination during cell cultivation.
8. An automatic alarm system monitors temperature, CO2 levels, water level, and power supply, ensuring safe and reliable operation.

Overall, Shanghai Xinzhuang Instrument's CO2 incubators offer a range of options tailored to different laboratory needs, combining traditional and advanced technologies to deliver effective and efficient solutions for biological research and cell culture. Whether you're looking for a budget-friendly option or a high-precision system, their products provide reliable performance and user-friendly features.

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