PROGNOST®-NT was selected to monitor two critical H2 reciprocating compressors at a refinery in California. Key to this success was the introduction of PROGNOST®-SILver with SIL 3 safe relays on board. Second, the new PROGNOST®-NT system architecture options – where the system can easily be adjusted to customer IT needs e.g. by using local server hardware. This refinery is a PROGNOST®-NT customer since 2011 and through close interaction with the client and great support from Customer Support experts we now being awarded with these additional systems.