WIKA has responded to the new safety standards within the process and machine-building industries: Model IS-2X intrinsically safe pressure transmitter is now available with SIL 2 classification.
In order to enable the use of the IS-2X in SIL applications the most important safety-relevant data has been summarised in an additional data sheet for safety-related data. Included are the average probability of failure on demand (PFDa), the hardware fault tolerance (HFT) and the safe failure fraction (SFF). Process industry customers need this information for a SIL evaluation of the complete scope of application. For the requirements of machine building, mean time to dangerous failure (MTTFd) values are provided in order to be able to determine the performance level (PL).
The versatile pressure transmitters of the IS-2X family have been used for many years in a wide range of hazardous areas. Due to its approvals (ATEX, FM and CSA) the intrinsically safe instrument is suitable for use worldwide.
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