General Lab's laboratory thermometer category offers a wide range of these instruments. Choose between digital thermometers, mercury-in-glass thermometers, organic filled glass thermometers that are environmentally safe or bi-metal dial type thermometers. Whether you require ASTM themometers, refrigerator themometers, freezer thermometers, incubator thermometers, min-max thermometers or general purpose thermometers, you will find them here.