T&D Information

Founded in 1986, T&D is an electronic device manufacturer specializing in data loggers and IoT monitoring solutions. With offices in Nagano and Tokyo, we design and develop our own products, combining hardware expertise with practical software services. With over 30 years of experience, T&D is recognized as a trustworthy provider of reliable measurement and monitoring technologies used across a wide range of industries, including environmental monitoring, laboratories, facilities, logistics, and quality control. Our solutions are supported by a free, cloud-based data service, allowing users to easily collect, visualize, and manage data. By focusing on simplicity and reliability, we help customers turn measured data into meaningful insights that support better decision-making. At the core of T&D is our belief that originality and technology drive innovation. We continuously challenge ourselves to develop practical solutions that meet real-world needs, while maintaining long-term quality and reliability. Through our official blog, ONDOTORIism, we also share real-world applications and insights into how data logging is used in everyday operations.