Designed and built in compliance with IEC 61508 for use in Safey Instrumented Systems (SIS), the SIL 3 capable STZ temperature transmitter offers dual sensor input that reduces process interruptions. Backup and Fail-Over Protection allows either of the sensors or inputs to be designated as the primary measurement, with the secondary input acting as backup sensor in case of primary sensor failure. The dual sensor input also allows for Average and Differential measurements and High-Select and Low-Select options. It has features designed for smarter control and monitoring including Sensor Drift and Corrosion detection, which increases overall process availability.
The STZ is HART 7-compliant with exception-based reporting and dynamic variable mapping. It is HART and DTM programmable and can be configured and interrogated using the HART DD on the 4-20mA loop via any HART handheld communicator or HART-compatible host.
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