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2. Portable emissions measurement system - Wikipedia

   en.wikipedia.org/wiki/Portable_emissions...

   A CATI PEMS being strapped down inside a vehicle. A portable emissions measurement system (PEMS) is a vehicle emissions testing device that is small and light enough to be carried inside or moved with a motor vehicle that is being driven during testing, rather than on the stationary rollers of a dynamometer that only simulates real-world driving.

3. MIL-STD-810 - Wikipedia

   en.wikipedia.org/wiki/MIL-STD-810

   MIL-STD-810, U.S. Department of Defense Test Method Standard, Environmental Engineering Considerations and Laboratory Tests, is a United States Military Standard that emphasizes tailoring an equipment's environmental design and test limits to the conditions that it will experience throughout its service life, and establishing chamber test ...

4. List of electrical and electronic measuring equipment

   en.wikipedia.org/wiki/List_of_electrical_and...

   Creates constant-amplitude variable frequency sine waves to test frequency response Transistor tester: Tests transistors Tube tester: Tests vacuum tubes (triode, tetrode etc.) Wattmeter: Measures power in a circuit Vectorscope: Displays the phase of the colors in color TV Video signal generator: Generates video signal for testing purposes Voltmeter

5. Air pollution measurement - Wikipedia

   en.wikipedia.org/wiki/Air_pollution_measurement

   The measurements made by sensors like these, which are much more accurate, are also near real-time and are used to generate air quality indexes (AQIs). Between the two extremes of large-scale static and small-scale wearable sensors are medium-sized, portable monitors (sometimes mounted in large wheelable cases) and even built into "smog-mobile ...

6. Environmental chamber - Wikipedia

   en.wikipedia.org/wiki/Environmental_chamber

   Example of a temperature/humidity chamber Example of a Walk-In Environmental Chamber used for automobile reliability testing in various simulated environment. An environmental chamber, also called a climatic chamber or climate chamber, is an enclosure used to test the effects of specified environmental conditions on biological items, industrial products, materials, and electronic devices and ...

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   mail.aol.com

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