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Gas meter. A gas meter is a specialized flow meter, used to measure the volume of fuel gases such as natural gas and liquefied petroleum gas. Gas meters are used at residential, commercial, and industrial buildings that consume fuel gas supplied by a gas utility. Gases are more difficult to measure than liquids, because measured volumes are ...
Installation of ultrasonic meters is relatively straightforward, and maintenance requirements are low. In June 1998, The American Gas Association published a standard called AGA-9. This standard lays out the criteria for the use of ultrasonic flowmeters for Custody Transfer of Natural Gas .
Flow meters for the measurements in the oil and gas upstream industry are chosen based on type of measurement, performance and accuracy requirements, and the type of medium to be measured. Available meters in the market are characterized by properties such as accuracy, operational rangeability: flowrate, viscosity, velocity, pressure and ...
The examples are here for gas flow, but the same meter types can be used on liquids as well, with similar turndown ratios. Note that meter manufacturers state their products' turndown ratios—a specific product may have a turndown ratio that varies from the list below. [citation needed] A thermal mass flow meter has a turndown ratio of 1000:1.
A residential gas meter. The concept of submetering was effectively "invented" sometime in the 1920s, when many laws currently affecting submetering were written. [clarification needed] Submetering was not widespread until the energy crisis in the mid-1970s, which prompted an increase in submetering for gas and electric usage. Water submetering ...
Public gas lights were seen as a means to reduce crime and until the 1840s they were regulated by police authorities. [8] Because of safety concerns expressed by the Royal Society, the size of gas holders was limited to 6,000 cubic feet (170 m 3) and they were enclosed in gasometer houses. In fact any small leak from an enclosed gas holder ...
The new technology promises more accurate natural gas readings and new safety measures. But some critics say they’re not worth the cost. Spire is installing new ‘smart meters’ around KC.
Orifice plate showing vena contracta. An orifice plate is a thin plate with a hole in it, which is usually placed in a pipe. When a fluid (whether liquid or gaseous) passes through the orifice, its pressure builds up slightly upstream of the orifice [1] but as the fluid is forced to converge to pass through the hole, the velocity increases and the fluid pressure decreases.
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