The Additel ADT161EXBPN Intrinsically Safe Intelligent Digital Pressure Module, Barometric Pressure, 60 kPa to 110 kPa, 40 Pa, 1/4 NPT (M) - with its advanced microprocessor technology and state-of-the-art silicon pressure sensors - provides an accurate, reliable, and economic solution for a wide range of pressure applications. In order to reach the best performance, every silicon pressure sensor in the module has been specially aged, tested and screened before assembly. Designed as an external pressure module, the ADT161EX-BP-N is unmatched in performance and reliability.