The Additel ADT161EX02CP150PSIN Intrinsically Safe Intelligent Digital Pressure Module, Compound Pressure, -15 to 150 psi, 0.02% FS, 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-02-CP150-PSI-N is unmatched in performance and reliability.