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PRODUCT INFO
The Magee Scientific Carbonaceous Aerosol Speciation System, model CASS, is a combined unit of a Total Carbon Analyzer, model TCA08 and an Aethalometer, model AE33 providing a revolutionary scientific instrument that measures the Total Carbon Content(“TC”), the Elemental Carbon content(EC), the Organic Carbon content(OC) and the Black Carbon content (BC) of suspended aerosol particles in near-Real Time.
PRODUCT ADVANTAGES AND BENEFITS
- DUALSPOTTM TECHNOLOGY for yielding Black Carbon result independent of the so called “filter loading effects”.
- CONTINUOUS ANALYSIS OF TOTAL CARBON content by using 2 identical flow channels with 2 independent stainless steel combustion chambers.
- SOURCE APPORTIONMENT to discriminate Black Carbon from fossil fuel vs Black Carbon from biomass burning with built-in analysis by a 2-component model.
- CALIBRATION/VALIDATION against NIST STANDARD reference material to validate the data by a Neutral Density Optical Filter Kit. This procedure can be perbed at the instrument site to maximize up-time and minimizes expenses.
- Using AMBIENT AIR in the combustion chamber as a carrier gas to create CO2 pulse and measures the level of TC in ambient air, therefore NO special GAS and NO special quartz GLASS is required.
- RUGGED and ALL STEEL CONSTRUCTION to fit the requirements of standardized 19” rack type mounting.
- EASY INSTALLATION and MAINTENANCE and VERY LONG AUTONOMOUS OPERATION
ONLINE TC, BC, OC/EC DETERMINATION
The Magee Scientific Carbonaceous Aerosol Speciation System CASS provides a real-time data for BC, closely related to EC, and automatically combines them with TC data from TCA to provide a complete characterization of the carbonaceous component of the aerosol in near-real-time: TC, BC, (or ´EC´) and OC. The characterization of all carbonaceous aerosol components is perbed by including a simple mathematical relation: TC = BC (EC) + OC.
REAL-TIME SOURCE APPORTIONMENT (%BB)
The Magee Scientific Carbonaceous Aerosol Speciation System CASS instrument discriminates a Black Carbon fossil fuel from a Black Carbon biomass burning (%BB) in real-time through a sophisticated built-in SW analysis based on a two-component Aethalometer model.
SEVEN WAVELENGTH OPERATION: UV-IR, 1HZ DATA
The BC (´EC´) optical analysis is perbed at 7 wavelengths from the near-infrared (950 nm) to the near-ultraviolet (370 nm) yielding optical absorption characteristics of collected aerosols on a teflon-coated glass fiber filter tape. Tape advances automatically when user selectable loading threshold is reached, typically once every few hours depending on aerosol concentration and air flow-rate.
RUGGED INSTRUMENT FOR LONGER AUTHONOMOUS OPERATION
The Magee Scientific Carbonaceous Aerosol Speciation System CASS is constructed in a rugged and compact design to fit AE33 and TCA08 into 19” rack type CASS housing package suitable for field-work, laboratory and routine Air Quality monitoring applications with limited space. CASS can operate for longer period of time (from weeks to months) without operator´s attention, only a roll of filter tape on AE33 and quartz fiber filter or denuder on TCA08 have to be replaced from time to tim
深圳市现代豪方仪器仪表有限公司
美国Magee代理商
询价请转余工
- 公司类型私营有限责任公司
- 经营模式代理商-私营有限责任公司
- 联系人业务经理
- 联系手机13246682860
- 联系固话0755-26998441
- 公司地址深圳市南山区南海大道4050号
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