Educational instruments and equipment refer to those with a unit price of 800 RMB or above (inclusive), used for teaching or scientific research purposes in educational and research institutions.

Instruments, referring to apparatus or devices used in scientific and technological fields for experiments, measurement, observation, inspection, and drafting, etc. Typically, they are a set of equipment or machines prepared for a specific purpose.

Instruments are commonly used for scientific research, technical measurements, industrial automation process control, and production, typically serving a single purpose. They are complex in construction, belonging to high-tech products, composed of multiple components. Instruments come in various sizes, weights, and shapes; smaller ones can be operated by hand, while larger ones are generally referred to as devices or equipment.