Analysis The investigators will use the TOST (Two One Sided t-tests) method for equivalence testing. This method requires a defined range of mean differences between two test methods, an estimate of the precision of the measurement of the two systems, and an estimate of the size of the possible difference in the means of the two methods under consideration. The TOST null hypothesis is a joint null hypothesis that the mean measurement differences between the two methods is greater than a critical lower bound and less than a critical upper bound. If the null is rejected then the investigators can conclude that the absolute difference of the means for the two groups falls within the specified range. It was determined that to be considered equivalent with respect to accuracy the mean measurements of the two methods should be within ± 0.2 degrees of each other. Precision tests for Temp-Traq thermometer using accepted ASTM test methods for various combinations of temperature and humidity provided a range of measurement variation between .0000435 and .019928 with a mean of 0.000254500. If the investigators assume both test methods exhibit the same levels of precision then the variance of the differences between their two means will reduce to two times the values listed previously. This will result in estimates of the standard deviations of the mean differences of .0093, .032, and .063 respectively.