9331-TI 8-channel temperature multiplexer
Please note that this product has been discontinued. The information contained on this page is for reference use only.
The 9331-TI fieldbus multiplexer is a field-mounted temperature input block for 2- and 3- wire RTDs, thermocouple, voltage and resistance inputs with each unit supporting eight independently configurable temperature inputs. The 9331-TI offers the lowest cost solution for temperature monitoring measurements, e.g. distillation columns, tanks, reactors, boilers, etc. and can reduce installed costs by as much as 70% per point when compared to traditional single temperature inputs. Designed for the harshest environments, the hazardous area certification provides intrinsically safe inputs when connected to an IS fieldbus spur or non-incendive Ex nL inputs when connected to a non arcing Ex nA or non-incendive Ex nL fieldbus spur. It may be installed in a Zone 0 (gas) Class 1 Division 1 hazardous area or when mounted in specific Process Junction Boxes, in a Zone 20 (dust) hazardous area. This flexibility, when combined with an operating temperature range of -40ºC to +85ºC and input-to-input isolation of 500 VAC rms, means that the multiplexer can be mounted close to the process.
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