Temptest® smart thermometers with unique rotating display.Fast response probe, reaches temperature in just 3 seconds!Patented, automatic 360° rotational displaySmall, compact, waterproof (IP67) designIntelligent backlit displayThe TempTest 1 Smart thermometer incorporates a large, easy to read digital display, with a precise read-out of temperature over the range of -49.9 to 299.9 °C with a 0.1 °C/°F resolution and an accuracy of ±0.4 °C (-49.9 to 200 °C). The thermometer will power off automatically after ten minutes, maximising battery life. This feature can be disabled.The Temptest® thermometer is housed in a waterproof IP67 case with an ergonomic rubber seal, both include 'Biomaster' additive to reduce bacterial growth. As well as being waterproof, it is 'probably' one of the fastest reading contact thermometers on the market today. The true temperature of a product can be measured in just three seconds.Both low battery (icon) and open circuit indication are displayed, when applicable. Each Temptest is powered by two AAA batteries with a minimum life expectancy of 5000 hours in normal use without the backlight. The backlight function features Smart Technology - only coming on when the light level requires it.The Temptest 1 is supplied with an integral, permanently attached, stainless steel food penetration probe (Ø3.3 x 80 mm) with fast response tip