Temperature Sensor probe lifetime
A company that has $4 Billion in assets, sales of $500 Million a year and is known for innovate products.  As well on the product page for the device, medical instrumentation is  one of the application areas, so reliability is implied.  On the product page is also a link to reliability report with a mean time to failure of 25120 Years.



as far as harsh conditions go, never exceed the manufacturers recommendations.