Glass Celsius thermometer includes a 600mm tube of mercury for precise temperature readings in laboratory and industrial settings. It has a wide temperature range due to the expansion of mercury in the glass tube, making it ideal for use in varied situations requiring an extended measurement range. 

Glass Celsius thermometers come with a yellow background and are filled with Mercury.  These high quality thermometers are 600 mm long and come with Least Count of 1.0, which means they are perfect for both labs and schools.