With advanced microprocessor technology and state-of-the-art silicon pressure sensors, ADT681 series digital pressure gauges provide an accurate, reliable, and economic solution for a wide range of pressure applications. They are loaded with functionality and remarkably easy to use. To reach the best performance, every silicon pressure sensor in our gauges is specially aged, tested and screened before assembly. ADT681 series digital pressure gauges are unmatched in performance and reliability. Best of all, they are very affordable.