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Shanghai Baoyude Scientific Instrument Co., Ltd
Detailed analysis of the working principle of digital pipette
Date: 2025-06-11Read: 0
A digital pipette is an instrument that achieves precise liquid distribution through electronic digital display and control technology. It provides higher accuracy and repeatability than traditional mechanical pipettes through built-in sensors, digital displays, and electronic control systems. Users can directly set the required liquid volume on the digital display screen as needed, and digital control ensures the accuracy of each liquid transfer volume.
Digital pipetteWorking principle:
1. Liquid suction: The user presses the suction button or rotates the knob, and the internal pump system or piston starts working, using negative pressure to suction liquid. This process is controlled by a micro motor, which can accurately adjust the volume of liquid absorbed.
2. Liquid transfer: After the liquid is drawn, the pipette releases it from the pipette tip into the target container through pressure or other means. During this process, real-time monitoring of each pipetting volume is carried out through internal sensors, ensuring the accuracy of the pipetted volume.
3. Liquid discharge: The liquid discharge process is precisely controlled by digital control to control the flow rate and volume, avoiding liquid waste and errors. After the discharge is completed, the internal sensor of the pipette detects that the liquid has been discharged, and the equipment will automatically shut down.
4. Digital display: Equipped with a display screen, it can display the set liquid volume and the current status of the pipette in real time. Users can adjust the volume as needed at any time.
Application of digital pipette:
1. Molecular biology and genetic engineering: In experiments such as PCR and DNA sequencing, it is possible to accurately transfer small liquid volumes to ensure the accuracy of experimental results.
2. Clinical medicine: In clinical diagnosis, especially in experiments such as chemical analysis and immune testing, the precise transfer of liquids directly affects the test results. Capable of providing stable and high-precision pipetting operations to ensure the reliability of diagnostic results.
3. Chemical analysis: Accurate preparation of reagents is often required in chemical experiments, which can provide stable pipetting volume, reduce reagent waste, and ensure consistency of reaction conditions.
4. Environmental science: In the fields of water quality testing, environmental monitoring, etc., it can efficiently and accurately transfer various water samples and chemical reagents to ensure the accuracy and reliability of data.
5. Food safety testing: In food safety testing, the accuracy of the pipetting operation directly affects the accuracy of the testing results. Can ensure the accuracy and consistency of liquid distribution.