An altimeter is a device that measures altitude—a location's distance above sea level. Most altimeters are barometric, meaning they measure altitude ...

The anemometer counts the number of rotations, which is used to calculate wind speed. An anemometer is ...

A glossmeter (also gloss meter) is an instrument which is used to measure the specular reflection (gloss) of a surface. Gloss is determined by projecting a beam of light at a ...

Humidity meters measure the amount of water vapor in gases, most often air, in buildings, pipelines, or as part of industrial processes to ensure the optimal amount of moistur ...

A lux meter is a device for measuring brightness, specifically, the intensity with which the brightness appears to the human eye. A lux meter works by using a photo cell to ca ...

A stopwatch is a timepiece designed to measure the amount of time that elapses between its activation and deactivation. A large digital version of a stopwatch designed for vie ...

A stopwatch is a timepiece designed to measure the amount of time that elapses between its activation and deactivation. A large digital version of a stopwatch designed for vie ...

A UV meter is also often referred to as a radiometer, optometer or light meter. It is a tool capable of measuring the absolute (calibrated) amount of light power within a cert ...

Vernier Caliper is a measuring and layout tool typically used for measuring linear dimensions. It can measure the outer dimension using the main jaw, inner dimensions using th ...