These thermometers are ideal for laboratory, field, and process measurements. Use to quickly verify temperature. Typical response time is 30 seconds for 99 percent of new reading. Thermometers have a 304 stainless steel penetration stem. All models include a protective case with pocket clip and a battery. Thermometer has an 8 or 11.5 inch long SS stem, °>F/°>C switchable ranges, one-second display update in Celsius scale, and ten-second display update in Fahrenheit scale. Use on/off button to conserve battery life. Perfect-sized unit fits into flasks, cuvets, Test tubes, and beakers. Read temperatures in foods, gases, samples, reagents, water baths, and semisolids. Stainless-steel probe is resistant to most laboratory chemicals. Long stem allows user to make measurements while stirring solutions in deep vessels. Almost unbreakable plastic and stainless-steel construction (no glass or mercury) makes it safe. Brilliant LCD is 1/4-inch-high. Designed for all ovens and incubators.