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...other man-made material in the world.<ref>The Skeptical Environmentalist: Measuring the Real State of the World, by [[Bjørn Lomborg|Bjorn Lomborg]], p 138.</r ...essential for the production of uniform, high quality concrete. Therefore, equipment and methods should be capable of effectively mixing concrete materials cont

...tember 26, 1864, Nadar erected mobile barriers to keep the crowd at a safe distance. Up to this day, crowd control barriers are known in Belgium as ''Nadar bar To prevent damage, standard barricades are made of 16-gauge steel tubing, measuring 1.5 inches on the outside diameter. Quality barricades are also hot dip [[G

...iles), making it one of the safest modes of transportation, as measured by distance traveled. ...-miles), is safe compared to some other forms of transport, if measured by distance traveled.

* Where the oscillator drives equipment that may generate radio-frequency interference, adding a varying voltage to * Electronic jamming equipment

...tions, a vectorscope supplements a [[waveform monitor]] for the purpose of measuring and testing television signals, regardless of format ([[NTSC]], [[PAL]], [[ ...the graticule is a fine grid at the nine-o'clock, or -U position, used for measuring [[differential gain]] and [[differential phase|phase]].

Vector signal analyzers are useful in measuring and [[Demodulation|demodulating]] [[Modulation #Digital modulation methods ...and horizontal axes, the [[error vector magnitude]] can be computed as the distance between the ideal and measured constellation points on the diagram. This re

...'galvanometer''' is a type of [[ammeter]]: an instrument for detecting and measuring [[electric current]]. It is an [[Analogue electronics|analog]] [[electromec ...es of the same mechanism in recording, positioning, and [[servomechanism]] equipment

...ng dozens of complex test instruments (real or simulated [[electronic test equipment]]) capable of automatically testing and diagnosing faults in sophisticated ...(DUT) on an Interface Test Adapter (ITA) so that it can be measured by the equipment. There may also be an Interface Test Adapter (ITA), a device just making el

...or faults in the device can be traced and repaired. Use of electronic test equipment is essential to any serious work on electronics systems. ...omplex and sophisticated such as [[Automatic test equipment|Automatic Test Equipment]]. ATE often includes many of these instruments in real and simulated forms

...traces were produced by the Time Domain Reflectometer made from common lab equipment connected to approximately 100 feet of 50 ohm coaxial cable. The propagatio ...Domain Reflectometer Diagram.png|thumb|500px|left|Simple TDR made from lab equipment]]

...dustry. General-purpose instruments are used for maintenance of electronic equipment and laboratory work. Special-purpose oscilloscopes may be used for such pur ...ical axis) and time (horizontal axis). Frequency can also be determined by measuring the waveform period and calculating its reciprocal.

...ajor obstacle to developing an optical clock is the difficulty of directly measuring optical frequencies. This problem has been solved with the development of s ...ovides very accurate timing and frequency signals. A GPS receiver works by measuring the relative time delay of signals from a minimum of four, but usually more