Laboratory instruments are tools and devices used to conduct scientific experiments and measurements. They help researchers and scientists analyze samples, gather data, and perform various tests. Common examples include microscopes, pipettes, and spectrophotometers, each serving specific functions in different fields of study. These instruments are essential for ensuring accuracy and precision in experiments. They can range from simple tools, like test tubes, to complex machines, like chromatographs. Proper use and maintenance of laboratory instruments are crucial for obtaining reliable results in scientific research and development.