Introduction: A&D is a world-class manufacturer of advanced measurement, monitoring, control, and testing instruments that individuals with different educational backgrounds and technical skills can use in a wide range of applications. High performance is achieved through advanced analog-to-digital and digital to analog conversion technologies, utilizing highly accurate sensors and excellent quality. Since its establishment in 1977, A&D has established a reputation for high-quality products, helping users complete their work more accurately and effectively. A&D's products have expanded to a wide range of industries, including education, medicine, and science; A&D official website: www.aandd.jp.