Reads °C and °F.  Perfect for measuring temperature in cuvettes, test tubes, flasks and beakers. Read temperatures in samples, reagents, water baths, foods, gases, and semi-solids. Stainless steel stem is resistant to acids, bases, solvents and most lab chemicals. Long stem allows user to make measurements while stirring solutions in deep vessels. Readings are updated every second.  Supplied with an individual serial-numbered certificate indicating traceability to NIST. High contrast, easy reading LCD display is 1/4" high. Supplied with 1.5V silver oxide battery and protective sleeve