Personal Environmental Monitors
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Particle and Surface Sciences are pleased to introduce to Australian and New Zealand markets, the Personal Environmental Monitors from MSP Corporation.
The Model 200 Personal Environmental Monitor is a lightweight personal sampler for collecting airborne particles in the PM2.5 and PM10 size ranges. PM2.5 and PM10 particles are airborne particles less than 2.5 m and 10 m, respectively. They are frequently used to provide a measure of airborne particle concentration for studying potential health effects of airborne particles in the indoor or outdoor environment.
The aerosol sample enters the Model 200 through a multi-nozzle, single-stage impactor to remove particles with aerodynamic equivalent diameter larger than 2.5 m or 10 m in diameter. Particles smaller than the impactor cut-size are collected on a 37mm diameter filter of choice. The collected particles can be analyzed gravimetrically to determine the airborne particle mass or analyzed for specific chemical compounds.
FEATURES
• Lightweight, personal sampler with single stage impactor and final filter
• Impactor cut-point of 2.5 or 10 m
• Can be operated with a personal sampling pump
APPLICATIONS
• Personal PM2.5 or PM10 sampling for exposure assessment
• Indoor/outdoor air pollution studies
• Indoor/outdoor air quality assessment e.g. mine sites.
• Personal sampling for industrial hygiene applications
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Personal Environmental Monitors
M240 Personal Micro-Environmental Aerosol Speciation Sampler
Particle and Surface Sciences are pleased to introduce to Australian and New Zealand markets, the Personal Environmental Monitors from MSP Corporation.
M240 is a Personal Micro-environmental Aerosol Speciation Sampler (PMASS™). It is a compact sampler with a miniaturized, sharp-cut cyclone inlet and two parallel collection channels. Each channel accommodates a denuder and two tandem filters for complete, artifact-free evaluation of the chemical composition of particles below 2.5 µm diameter. The PMASS™ is light and small enough to be worn by a person. Field tests yield results equivalent to that of conventional samplers. The device may also be used with a desktop sampling station for sampling in a microenvironment
DESCRIPTION
The PMASS™ is a miniaturized version of field-proven samplers using denuder-filter packs to collect aerosol particles without artifacts from vapor adsorption or particle volatilization. Air is sampled through the cyclone inlet at a flow rate of 4 l/min. The cyclone is a dry, non-greased collector of particles larger than 2.5 m. The transmitted PM-2.5 aerosol is split into two parallel channels. This allows simultaneous collection on different types of filter media, as needed for multiple chemical analyses. Typically one channel is used for inorganic and mass analysis and the other for organic carbon analysis. Each channel accommodates a carbon multi-cell denuder, which removes interfering vapors while transmitting particles to the primary filter. An adsorbing backup filter recovers particulate
Matter volatilized from the primary filter during sampling. To minimize weight, the sampler body is constructed of low-density polyethylene. To prevent electrostatic losses all surfaces contacted by aerosol upstream of the filter are made of aluminum.
FEATURES
•Metal cyclone inlet, no grease or oil.
•Two parallel filter collection channels.
•Each channel accommodates a denuder and one or two filters.
•Flow rate is 2 l/min per channel.
•Total flow rate of 4 l/min is easily supplied by battery powered personal pump.
•Surfaces upstream of filters are electrically conducting aluminum.
•Total sampler weight is approximately 300 g.
APPLICATIONS
•Simultaneous measurement of inorganic and organic aerosols.
•Evaluation of personal exposures to PM2.5 mass, nitrates,
•sulphates, organic and elemental carbon.
•Evaluation of personal exposure to metal aerosols.
•Studies of personal exposure in various environments. e.g. mine sites
•Personal sampling and stationary Micro-environmental sampling.
For more information, please visit:
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Attachments
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