ETI Therma Thermometers - ETI 221-043, This thermometer from ETI has been manufactured to a high standard and is the ideal instrument for achieving maximum accuracy and repeatability of a temperature reading. The Therma 3 is rugged and comes housed in a robust ABS case containing a 'Biomaster' additive, reducing bacterial growth. The thermometer operates through the range of -100 to +1372°C, with a 1°C resolution and ±1°C ±0.1% accuracy. It is also simple to use and has been designed with an easy to read, LCD display with open circuit error, hold and low battery indication. The thermometer is powered by three AAA batteries (not supplied), giving a minimum of five years battery life. The unit will power off automatically after 10 minutes, maximising battery life (can be disabled, if not required). ETI 221-043 Therma 3 Thermometer