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

The difference between the control methods of the carbon dioxide incubator of Shanghai Xinzhuang Instrument Co., Ltd.:

At present, Xinzhuang Instrument's carbon dioxide incubator has two control modes, one is a ratio type, and the other is an imported infrared microcomputer CO2 special concentration probe control.

Shanghai Xinzhuang Instrument Co., Ltd. introduction of carbon dioxide incubator imported infrared microcomputer CO2 special concentration probe control:

The infrared sensor measures the CO 2 concentration by using infrared rays as a medium, that is, absorption of infrared rays by CO 2 gas.

Its linearity is high and its sensitivity is high. It can measure 0-20ppm. The structure is more complicated and the price is more expensive. It is widely used for the measurement of air and greenhouse CO2.

Shanghai Xinzhuang Instrument uses the imported infrared sensor, which has better performance and can directly display the carbon dioxide concentration.

advantage:

1. The inner liner is made of high quality stainless steel material, which is clean and bright and will never rust.

2, microcomputer intelligent temperature controller, PID control, stable temperature control, high precision, LED high-brightness digital display, intuitive and clear.

3. Double-layer door structure: After the outer door is opened, the temperature and humidity are not affected by the internal door observation studio experiment made of high-strength tempered glass.

4. The CO2 concentration sensor adopts the imported infrared probe from Finland, which can directly display the CO2 concentration in the box and is reliable in operation.

5. Independently set door heating system can effectively avoid the condensation on the inner door glass.

6. The working chamber uses the water tray to naturally evaporate and humidify, and the humidity is directly displayed by the meter.

7. The chamber is equipped with an ultraviolet germicidal lamp, which can periodically disinfect the culture chamber to prevent contamination of the cells during cultivation.

8, automatic alarm system: temperature / CO2 concentration / water level / power supply, automatic alarm, reliable operation;

Shanghai Xinzhuang Instrument Co., Ltd.

The matching CO2 incubator is the product of the early sensor technology.

The matching CO2 incubator uses two glass tube flowmeters to inflate the culture chamber continuously.

After a certain period of time, the CO2 concentration in the culture chamber is close to the proportion of the gas distribution of the flowmeter. The CO2 concentration in the tank cannot be detected, displayed, and fed back. In the control form, it is an open loop.

. Due to temperature and CO2 gas pressure changes, the flowmeter should be manually adjusted at any time, also known as manual.

This form of CO2 incubator has low precision, poor stability, high gas consumption and slow recovery, but the price is relatively cheap and suitable for short-term cultivation.

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