
Tsinghua University's Scientific Research Forces Create Excellent Education Products: The Birth Background of 81204 Handheld Sieve
In the modern education system, the support of science and technology is particularly important. Based on its excellent research ability and rich educational resources, Tsinghua University has continuously explored how to transform advanced scientific and technological achievements into effective tools for education and teaching. It is in this context, "Tsinghua 81204 handheld sieve" came into being. The R & D team conducted in-depth research on the actual needs of primary school science classes, combined with the latest technological progress, and after numerous experiments and improvements, finally successfully launched this hand-held sample screen specially tailored for primary school science and education experiments.

Fine process achieves efficient screening: the core advantage of three-specification design
In order to meet the needs of different types of experiments, this hand-held screen is equipped with three different aperture standard configurations, respectively 2mm, 1mm and 0.5mm. This design can not only meet the requirements of sand classification in physics, but also deal with the different particle size distribution of powdered substances in chemical experiments, and even can be used to distinguish soil samples in biology class. In practice, the students achieved highly accurate separation of all kinds of mixed materials by using different screen stacking combinations. For example, in a geological simulation experiment, the teacher instructed the students to use this tool to quickly and effectively complete the task of sorting rock fragments by size, which significantly improved the efficiency and accuracy of the experiment.


Flexible and convenient operation experience: portable design makes experiments no longer limited
Considering that children in elementary school are growing up with strong curiosity, designers pay special attention to the convenience and interactivity of products. The "Tsinghua 81204 Handheld Screen" is compact in appearance and light in weight, which is very suitable for carrying and using in various indoor and outdoor scenes. Its ergonomic handle shape fits the palm curve, and the grip is comfortable and stable. At the same time, it is equipped with a quick-release device, which is convenient to replace or clean the inner container part at any time. In this way, whether it is a laboratory on campus or an off-campus practice venue, teachers can easily lead the children to carry out a variety of popular science activities.


Learning Assistant: Stimulating Students' Interest in Inquiry
"Tsinghua 81204 handheld sieve" is not only a simple experimental equipment, but also a good helper for enlightening wisdom. Through visual observation and hands-on operation, students can establish the connection between abstract theory and the real world, so as to deepen their understanding and memory. For example, in an open class on mineral composition analysis, the instructor used this tool to guide students to think about the differences between minerals and their causes, and encouraged them to make bold assumptions and actively verify them. In the whole process, there is not only a rigorous and serious academic discussion atmosphere, but also a fun game link setting, which fully mobilizes the learning enthusiasm of each participant.


Durable Quality Assurance: A Trusted Teaching Partner
Product quality is always one of the most important factors for users. "Tsinghua 81204 Handheld Screen" uses high-strength engineering plastics as the main raw material, and the surface is specially treated to increase the anti-wear ability. Even after long-term high-frequency use of the test environment, still maintain a good stable state and not easy to appear damage deformation phenomenon. In addition, the manufacturer also provides a complete after-sales service system, covering a one-year product warranty period from the date of purchase and lifelong technical support. Such comprehensive and considerate service measures undoubtedly bring more peace of mind and rest assured to the teachers and students.