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Air Monitoring Air Quality & Dust Monitor
UNITEC (Italy) has further upgraded its field-proven microprocessor-based air quality monitor ETL3000, by adding an optional light scattering particulate module, PM10-LS, and providing the measuring system with new VPN functionalities achieved by means of a multi standard GPRS/EDGE/3G router.
ETL3000 is equipped with up to 5 SENS3000 Plug&Play cells, each one specifically designed for monitoring CO, NO2, C6H6, O3, CH4, NOx, NH3, H2S and SO2. In addition air temperature, relative humidity and noise can be simultaneously measured. SENS3000 is based on thick-film sensors, a solid state technology which
takes advantage of nano-structured Metallic Oxides Semiconductors (MOS technology).
PM10-LS module includes pump, inlet head, particulate detector and the pneumatic line. The main microprocessor handles all activities, including data acquisition, data treatment and storage, automatic daily zero calibration and data transmission. Two different cyclones can be fitted at the inlet line, in order to determine PM2,5 or PM10 fractions.
ETL3000 is specifically designed for outdoor installations and offers an “Eco-friendly” impact. It can be effectively used, for instance, by local Authorities, Industrial Wastes and Building Yards to monitor air quality at ppb level.
(R)EVOLUTION Special features:
- ultrasonic wind sensor - aspirated temperature measurement - compass
- maintenance-free operation - SDI-12-interface - open communication protocol
ETL3000 provides quality data at an affordable price, requiring low maintenance with a low cost of ownership. Along with the ETL3000, UNITEC S.r.l. portfolio includes following additional instruments, internally designed and all dedicated to the environmental monitoring: LSPM10 and ETL DUST, light scattering dust monitors (PTS, PM1, PM2,5 and PM10); AIRGENIUS, light scattering dust monitor combined with a sequential sampler; OGD3000 multi gas calibrator; AIR3000, zero air generator; MGA, multi gas analyser.
WS500-UMB compact weather station for air temperature, rel. humidity, air pressure, wind direction and wind speed.
Stack Emission Monitoring
Electrochemical sensors are widely used for stack emission monitoring. They provide accurate data and are more cost effective than other technologies. In stack emission monitoring there are often 10 or more components present in the gas at relevant concentration. Therefore the reliability of the results depends strongly on the selectivity of the used sensors. The Slim-Sensors of MEMBRAPOR (Switzerland) are best suited for this demanding detection. The advantage of these sensors is based on a unique technology of electrode manufacturing, which leads to a very high selectivity, and on specific filters with high capacity. Additionally, some sensors are equipped with a 4th auxiliary electrode to compensate a remaining cross interference. The housing of the Slim-Sensors is in a robust 3-series size and withstands the harsh conditions of emission gas monitoring.
Reader Reply Card no 144
Mercury Speciation in Air Monitoring and Emission Research
www.lufft.com
www.WS600.com
Reader Reply Card no 147
Monitoring networks in the USA, Canada, Korea, China and the EU have chosen Tekran (Canada)’s Model 2537B analyser, combined with the 1130/1135 modules to provide unattended, automated, continuous atmospheric mercury speciation measurements at the part per quadrillion level. The Model 2537S is the analyser for the Tekran Series 3300 Continuous Emission Monitor. The Series 3300 can measure total, elemental and ionic mercury in virtually any combustion source. The system is sensitive enough to measure levels at any coal fired power plant and is immune to the interferences that plague conventional mercury CEMs.
Reader Reply Card no 145 Air Quality Monitoring in Gulf of Mexico Spill Zone
Modular HR2000 spectrometers from Ocean Optics (The Netherlands), are enabling air quality monitoring in the Gulf of Mexico as part of Argos Scientific’s portable UV DOAS air monitoring system. Argos Scientific is working in conjunction with Hillsborough County, Florida, to monitor the environmental impact of the Deepwater Horizon oil spill in the Gulf of Mexico.
The project has special significance to Ocean Optics as the company is located on the Gulf side of Florida and its community will be affected in coming months as the oil advances, upsetting both water and air quality.
The HR2000 High-resolution Miniature Fibre Optic Spectrometer is a small-footprint spectrometer that provides optical resolution to 0.035 nm (FWHM). The modular spectrometer design allows users to select optical bench options such as the detector, grating and entrance aperture (slit).
Argos custom-configured the HR2000 spectrometer used in its portable UV DOAS air monitoring system. In the Gulf, the system has already analysed a number of environmental samples, containing a mixture of oil and sea water, from the spill area. Vapour analysed from the samples indicate the presence of two gases with unique UV spectral features being emitted from the samples. The data from these initial investigations will be used to update the system’s spectral libraries. A UV DOAS system has been set up in Mississippi for continuous monitoring, with real time data posted at:
http://fenceline.org/test/map.php.
A second Argos system has been sent to the University of North Alabama, where a calibration and test facility has been established to accommodate future samples associated with the oil and dispersant material collected by community members in the Gulf area.
Reader Reply Card no 148 Reader Reply Card no 146 Reader Reply Card no 143
IET
Annual Buyers Guide 2010
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