When rigorous scientific research meets thoughtful ergonomic design, a teaching instrument that can truly change the classroom and laboratory experience is born. The 81204 handheld screen produced by Tsinghua not only strives for perfection in functionality, but also performs well in practicality, and has become a trusted choice for many schools and research units.

Ingenuity Industrial-grade Standards Create a Model of Excellent Teaching Quality

high-standard manufacturing principles are implemented in the whole process from material selection to molding, and food-grade stainless steel raw materials are used to ensure stability and corrosion resistance under the premise of long-term high-strength use. Each welding interface has undergone many fatigue tests to verify its reliability, striving to give teachers and students the most reassuring operation guarantee.

Intelligent adaptation of multi-level granularity control opens a new mode of inquiry learning

the built-in three-level replaceable filter element system supports free adjustment of matching parameter settings according to different sample attributes. both sand mineral classification and crop grain identification can be handled with ease, allowing students to participate in the whole process of data collection by themselves, thus deepening their understanding of statistical methodology.

Dismantling and Cleaning Daily Maintenance has become easier and faster than ever

the modular assembly structure makes the later cleaning and maintenance no longer cumbersome and complicated. all components can be removed separately for thorough washing and drying without damaging the structural strength of the main frame. Storage under dry and ventilated conditions can prolong the service life and reduce the cost of loss.

Teaching through fun makes abstract physical concepts concrete and visual

through practical hands-on operation, it helps students to establish the connection bridge between key knowledge points such as density distribution, specific gravity difference and gravity action mechanism, and transforms the originally obscure professional terms into observable behavior phenomenon records to stimulate independent thinking and enthusiasm to devote themselves to the exploration and discovery journey.

Widely compatible to meet the needs of diversified curriculum system construction

it is not only suitable for the application of natural science enlightenment education but also suitable for the pre-research stage of higher-level material engineering. it requires seamless connection with the index system of STEM training program in the national compulsory education stage. at the same time, it can also be competent for the task allocation and pressure relief assistant in the initial sample pre-processing link of specific topic projects in colleges and universities. the role positioning is accurate and clear.