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

The first type is a proportional control system, which relies on gas flow meters to maintain the CO2 concentration in the chamber. This method involves using two glass tube flowmeters to continuously supply CO2 into the culture area. However, since there's no direct measurement or feedback mechanism, the system operates in an open-loop fashion. As a result, the actual CO2 level in the chamber can only be estimated based on the flowmeter settings, and it may not be accurate. The system requires manual adjustments due to temperature changes and gas pressure fluctuations, making it less precise and stable compared to modern alternatives. While this model is more affordable and suitable for short-term experiments, it tends to consume more gas and has slower recovery times.

The second control method uses an imported infrared microcomputer CO2 sensor, which provides a more advanced and accurate way of monitoring CO2 levels. This system works by measuring the absorption of infrared light by CO2 molecules, allowing for precise and real-time readings. The sensor has high linearity and sensitivity, capable of detecting CO2 concentrations as low as 0-20 ppm. Although the structure is more complex and the cost is higher, this technology is widely used in environmental monitoring, agriculture, and laboratory settings where accuracy is crucial.

Shanghai Xinzhuang Instrument Co., Ltd. integrates this high-performance infrared sensor into its incubators, enabling direct and reliable CO2 concentration display. This feature ensures better control and stability during long-term cell culture processes.

In addition to the advanced CO2 control system, the incubator comes with several other features that enhance its usability and performance:

1. The inner chamber is made of high-quality stainless steel, ensuring durability, cleanliness, and resistance to rust.
2. It is equipped with a microcomputer-based temperature controller that uses PID control for stable and precise temperature regulation. The LED digital display provides clear and intuitive readings.
3. The double-layer door design allows users to observe experiments through the inner door without affecting the internal environment. The inner door is made of high-strength tempered glass.
4. The CO2 sensor is an imported infrared probe from Finland, offering high reliability and direct CO2 concentration display.
5. A dedicated door heating system prevents condensation on the inner door glass, maintaining a clear view during experiments.
6. The working chamber uses a water tray for natural evaporation humidification, with a built-in humidity meter for accurate monitoring.
7. An ultraviolet germicidal lamp is installed to disinfect the chamber periodically, reducing the risk of contamination during cell cultivation.
8. An automatic alarm system monitors key parameters such as temperature, CO2 concentration, water level, and power supply, ensuring safe and reliable operation.

Overall, Shanghai Xinzhuang Instrument Co., Ltd. provides a range of carbon dioxide incubators tailored for different needs. While the traditional proportional control model is more cost-effective for short-term use, the infrared sensor-based system offers superior precision, stability, and convenience for long-term and critical experiments. Whether you're conducting basic research or advanced cell culture, there's a model that fits your requirements.

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