Electronic Temperature Instruments Ltd is the UK's largest digital thermometer manufacturer. Established in 1983, Electronic Temperature Instruments (or ETI) is a privately owned, limited company, manufacturing approximately 70% of the products it currently sells and distributes worldwide. As a dominant supplier of digital thermometers and temperature sensors, to both the industrial and catering sectors, ETI has developed a reputation throughout Europe and increasingly worldwide, as a leading manufacturer and supplier of quality and value for money instrumentation for a wide range of applications. The business is supported by a full after-sales repairs and calibration service, with in-house UKAS certification facilities.