Bosch laser tape measure12/22/2023 ![]() When the end of the siphon was opened in a reservoir, the water level in that limb would sink to about 10 m above the reservoir. On 27 July 1630, Giovanni Battista Baliani wrote a letter to Galileo Galilei explaining an experiment he had made in which a siphon, led over a hill about 21 m high, failed to work. French scientist and philosopher René Descartes described the design of an experiment to determine atmospheric pressure as early as 1631, but there is no evidence that he built a working barometer at that time. The word barometer is derived from the Ancient Greek βάρος ( báros), meaning "weight", and μέτρον ( métron), meaning "measure".Īlthough Evangelista Torricelli is universally credited with inventing the barometer in 1643, historical documentation also suggests Gasparo Berti, an Italian mathematician and astronomer, unintentionally built a water barometer sometime between 16. The average atmospheric pressure at sea level is 1013 hPa (mbar). The average atmospheric pressure on the earth's surface varies between 9 hPa (mbar). An altimeter is intended to be used at different levels matching the corresponding atmospheric pressure to the altitude, while a barometer is kept at the same level and measures subtle pressure changes caused by weather and elements of weather. ![]() Many measurements of air pressure are used within surface weather analysis to help find surface troughs, pressure systems and frontal boundaries.īarometers and pressure altimeters (the most basic and common type of altimeter) are essentially the same instrument, but used for different purposes. Pressure tendency can forecast short term changes in the weather. However, environmentally-resistant and water-resistant laser measures are available.Laser Measure ApplicationsLaser measures are commonly used across many industries, but they are most commonly found in construction and realtor-related work, such as surveyors, builders, construction workers and tradesmen, such as plumbers, carpenters and electricians.Wherever precision measurements are required, a digital laser measure can save you time and prevent mistakes.For broader coverage of this topic, see Pressure measurement.Ī barometer is a scientific instrument that is used to measure air pressure in a certain environment. They can also be used in low light, especially when they feature backlit LCD or digital displays.Laser measurement devices can typically record several points of references without having to move, allowing you to calculate relative distances between two points.Typically, these devices are pocket-sized with easily read display screens making them easy to use, store and transport, and can even be tripod-mounted for accurate measurements over very long distances.The only real disadvantage is that they require a battery charge or power source to operate and may be more susceptible to harsh environments than manual measurement tapes. These include:Unlike traditional tape measures, laser measures can be used one-handed and do not require anyone to assist with longer measurements. The laser pointer is visible to the human eye and therefore allows the user to easily pinpoint the desired area of measurement, ensuring the measurement is as precise as possible.What are the advantages of laser measures?There are many advantages to using laser measurers over traditional tape measures and other measuring devices. ![]() Offering a measurement solution that is far faster and easier than a conventional tape measure, laser measures are highly versatile devices that have proven beneficial to many industries.At RS, our range of laser distance measure products features precision models from leading brands, such as Bosch, DeWALT, Leica, Fluke and RS PRO, with imperial and metric measurement capacities available.How do laser measures work?Laser distance meters send a laser to a particular point and then, using the time taken for this light beam to return to the device, calculates the distance to a high degree of accuracy. By using a laser to target and record a point of reference, the device then calculates and displays the distance to that point with a high degree of accuracy. ![]() Laser Measures Laser measures are a highly efficient way of measuring distances on all terrains. ![]()
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