Power supplies provide steady, precisely controlled electrical energy to electronic equipment. Anyone who has built or worked with a desktop computer recognizes the power supply— typically the bulkiest component—sitting behind the electrical inlet socket.
Best practices dictate that pipettes undergo preventive maintenance and calibration at least once per year. Calibration involves dispensing set volumes of a liquid, usually water, into the weighing pan of a calibrated balance.
Nobody gets excited about lab ovens, but they are definitely essential lab components. Ovens are found in almost every industrial, research and development laboratory.
Glove boxes are specialty enclosures that allow tight control over experimental conditions. Sizes range from less than five to several hundred cubic feet.