Environmental covers a wide range of instruments, includung anamometers for wind speed, temperature and humidity measuring instruments from Fluke, Lightmeters and sound level meters. All, are used for taking measurements related to the conditions we work in. It is essential, moise level is measured in noisy factories, to protect workers and comply with Health and safety regulations. The same goes for light levels. It may be a requirement to obtain wind speed readings before climbing scaffolding and ladders.