Some processes do not require temperature measurement accuracy,and others do. However,you may be unsure whether accuracy is important for your particular application, or whether improving accuracy will make enough of a difference in your process results to justify the cost and effort. This article identifies problems that result from inaccurate measurements and outlines ways to solve them that are both effective and economical. Temperature measurements can be categorized into three groups: Those which do not require accuracy. You simply need to know if the temperature is stable or going up or going down. Those which do require accuracy. Strategies in this article will help with those measurements.
Oil & Gas Product News (2015) A practical guide to improving temperature measurement accuracy