"Electronic thermometers" refers to devices that use technology to measure and display the temperature of an object or a person. They are modern versions of traditional thermometers and are often more accurate and easier to use. Full definition
Even if the day had been «a record», the temperatures are often artificially inflated due to site changes, thermometer changes, and the one - second - record effect thanks to the introduction of electronic thermometers, all of which are a product of careless BOM management and analysis. (joannenova.com.au)
Moreover, most of these gadgets, as well as a rectal electronic thermometer, are designed to 2000 measurements, and then you have to throw the thermometer away because the internal battery can not be replaced. (babieslounge.com)
Interestingly enough, former California State climatologist James Goodridge did an independent analysis of COOP stations in California that had gone through modernization, switching from Stevenson Screens with mercury LIG thermometers to MMTS electronic thermometers. (dotearth.blogs.nytimes.com)