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...
25 KB (3,062 words) - 16:23, 9 January 2024
vehicles Portable emissions measurement system Regulation on non-exhaust emissions Type approval Ultra-low-sulfur diesel United States vehicle emission standards...
86 KB (7,210 words) - 20:45, 16 May 2025
Vehicle emissions control is the study of reducing the emissions produced by motor vehicles, especially internal combustion engines. The primary emissions studied...
29 KB (3,620 words) - 00:40, 24 May 2025
not obtain one. They used a portable emissions measurement system, making it possible to collect real world driving emissions data, for comparison with...
268 KB (25,180 words) - 01:36, 31 May 2025
Not-to-exceed (category Vehicle emission controls)
change Western Climate Initiative Portable emissions measurement system Dieselnet, "Applicability and Test Cycles", Emission Standards » United States Heavy-Duty...
16 KB (2,280 words) - 23:52, 7 April 2025
an emissions reduction technology for a pollutant Identifying a mobile source Utilize a Portable Emissions Measurement System to measure emissions of...
10 KB (1,227 words) - 11:13, 27 May 2025
Worldwide Harmonised Light Vehicles Test Procedure (category Emission standards)
measured emissions of laboratory tests. To measure emissions during the on-road test, vehicles are equipped with a portable emissions measurement system (PEMS)...
23 KB (2,560 words) - 01:57, 24 May 2025
emissions AP 42 Compilation of Air Pollutant Emission Factors Emissions standard List of low emissions locomotives Motor vehicle emissions Portable Emissions...
64 KB (5,998 words) - 17:16, 13 May 2025
road testing with portable emissions measurement system which adheres to the further expanded European Union's Real Driving Emissions. Expanded testing...
6 KB (702 words) - 18:34, 22 August 2023
CO2, and subtracting half of the percent CO from the O2. Portable emissions measurement system Air–fuel ratio "Archived copy" (PDF). Archived from the...
1 KB (166 words) - 05:58, 18 October 2023
gas monitoring, fugitive emissions monitoring and internal combustion engine emissions measurement in stationary or portable instruments. The first flame...
11 KB (1,381 words) - 12:33, 26 May 2025
California Air Resources Board (redirect from California Hybrid and Zero-Emission Truck and Bus Voucher Incentive Project)
space for developing enhanced on-board diagnostics and portable emissions measurement systems. The facility also includes a separate advanced chemistry...
86 KB (7,939 words) - 14:36, 11 May 2025
List of common EMC test standards (section European standards concerning unwanted electrical emissions)
Radiated Emissions from Integrated Circuits—Surface Scan Method (Loop Probe Method) 10 MHz to 3 GHz J1752/3, Measurement of Radiated Emissions from Integrated...
24 KB (3,136 words) - 10:00, 27 September 2024
Air conditioning (redirect from Portable air conditioners)
of visible light (940 nm). This system is commonly used on mini-split air conditioners because it is simple and portable. Some window and ducted central...
98 KB (10,242 words) - 05:38, 23 May 2025
AIR Index (category Emission standards)
on at least two independently sourced vehicles, with a portable emissions measurement system (PEMS) in real-world urban driving situations. The rating...
7 KB (546 words) - 12:37, 23 May 2024
dispersion modeling Contamination control Clean Air Act (1990) Portable emissions measurement system Toxic Substances Control Act of 1976 "Definition of National...
24 KB (2,534 words) - 10:51, 29 May 2025
compact, portable, weather-resistant containers allowing for in situ measurements of various types of outgassing terrains. Gas is pumped into the system at...
22 KB (2,141 words) - 22:16, 22 May 2025
industrial systems, and abandoned equipment throughout the world has all but guaranteed their future emissions for many years to come. Fugitive emissions of CFCs...
11 KB (2,273 words) - 18:24, 26 November 2024
sometimes expressed as separate measurements of methane (CH 4), NMHC (non-methane hydrocarbons), and THC (total hydrocarbon) emissions (where THC is the sum of...
41 KB (3,915 words) - 16:31, 29 May 2025
petroleum gas (LPG), as opposed to diesel), the three types of emissions modern systems are concerned with are: hydrocarbons (which are released when the...
30 KB (4,236 words) - 19:23, 24 May 2025
systems are electronic scientific instruments designed for non-destructive measurement of photosynthetic rates in the field. Photosynthesis systems are...
22 KB (2,750 words) - 17:29, 25 September 2023
Man-portable radar is a lightweight surveillance radar system that does not require vehicle support to transport or operate. Man-portable radars were...
8 KB (1,054 words) - 15:58, 13 May 2025
Other methods of pressure measurement involve sensors that can transmit the pressure reading to a remote indicator or control system (telemetry). Everyday...
76 KB (10,204 words) - 05:36, 26 May 2025
nasal emission. Thus, a complete system for nasometry consists of a combined nasalance measurement system and nasal emission measurement system. However...
2 KB (208 words) - 22:03, 12 September 2023
Aerosol mass spectrometry (category Aerosol measurement)
the prohibition of coal burning to improve air quality. However, the measurement and analysis of aerosols only became established in the second half of...
26 KB (3,456 words) - 02:39, 28 December 2024
digital data loggers (DDL). They generally are small, battery-powered, portable, and equipped with a microprocessor, internal memory for data storage,...
13 KB (1,766 words) - 22:58, 28 May 2025
ApSimon H., Oxley T., et al., 2016, A portable emissions measurement system (PEMS) study of NOx and primary NO2 emissions from Euro 6 diesel passenger cars...
12 KB (1,088 words) - 19:52, 22 April 2025
Soil respiration (section Long-term stand-alone soil flux systems for measurement at one location over time)
a closed mode design system in other regards. These are either open or closed mode instruments that are portable or semi-portable. They measure CO2 soil...
41 KB (5,597 words) - 09:38, 25 May 2025
contact thermometer), then the sensor's emissivity setting can be adjusted until the temperature measurement by the IR method matches the measured temperature...
12 KB (1,431 words) - 21:10, 29 May 2025
Atmospheric dispersion modeling (category Industrial emissions control)
dispersion terminology List of atmospheric dispersion models Portable Emissions Measurement System (PEMS) Roadway air dispersion modeling Useful conversions...
33 KB (3,659 words) - 18:10, 12 May 2025