The range of a laboratory thermometer can vary depending on the specific thermometer being used. However, the most common range for a laboratory thermometer is from -10°C to 110°C. Some laboratory thermometers have a wider range, such as the General Purpose Mercury Lab Thermometer which has a range of -10°C to 400°F (-23°C to 204°C) . The Laboratory Thermometer sold by Brew PS has a range of 0°F to 220°F (-18°C to 104°C) . It is important to note that the range of a laboratory thermometer can affect its accuracy, so it is important to choose a thermometer with a range appropriate for the intended use.