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PM10 high volume air sampler

PM10 high volume air sampler

PM10 high volume air sampler

A PM10 high volume air sampler is a federal reference method (FRM) instrument designed to collect ambient particulate matter with an aerodynamic diameter of 10µm or less.  This sampler uses a size selective inlet to separate out the particulate matter that is larger than 10µm, ensuring that only concentrations of PM10 are deposited onto the filter.  These samplers typical operate with a flow rate between 36-60 ft³/min during a 24 hour sampling period.  Constructed of high quality components and a robust anodized aluminium shelter, these instrument are well suited for all ambient sampling installations.  Tisch Environmental PM10 high volume air samplers are designed according to the guidelines that are outlined in 40 CFR appendix J to part 50 and designated as a federal reference method sampler under designation number 0202-141.

The PM10 high volume air sampler collects particulates at a flow rate between 36-60 ft³/min through a PM10 size selective inlet.  As the particulates travel through the size selective inlet, the larger particulates are trapped inside of the inlet as the smaller PM10 particulates continue to travel through the PM10 inlet and are collected on the 8″ x 10″ quartz filter paper.  This quartz filter is weighed previously to sampling and then after sampling to determine the mass of particulates that are smaller than 10 microns.  The flow rate on this instrument is controlled by either a mass flow controller, a volumetric flow controller or the Tisch Environmental PLUS technology electronic flow controller.  Tisch Environmental offers a wide range of PM10 samplers with several different option to fit every custom sampling installation.

 

Mass Flow Controlled

The PM10 PLUS system is the most advanced TSP ambient particulate sampler on the market.  It utilizes a microprocessor based controller for instantaneous and accurate flow control.  The system’s built in temperature and barometric pressure sensors along with the microprocessor based mass flow controller, allow the system to accurately calculate the flow rate.  The PLUS technology flow controllers include a built in digital timer with internal battery backup, multiple elapsed time indicators, and four data logs with an external USB drive for data retrieval.  The system data logs record the average, minimum, and maximum ambient temperature and barometric pressure as well as the total ambient and standard flow rate.  These PLUS technology flow controllers also include an auto calibration feature which eliminates the need for lengthy field calibration and manual flow rate calculations.

Volumetric Flow Controlled

Volumetric flow controlled (VFC) PM10 particulate samplers use a critical orifice with a predetermined orifice hole diameter to control the flow rate.  The critical orifice is drilled and calibrated to let only the predetermined flow rate pass thorough the filter.  The motor on these systems operate wide open while the critical orifice maintains a constant flow rate.  These systems are available with a 7 day mechanical timer or a US EPA recommended digital timer.  These systems can be fitted with an economical brush style motor or a maintenance free brushless motor.

PM10 PLUS Controller

The PM10 PLUS system is the most advanced TSP ambient particulate sampler on the market.  It utilizes a microprocessor based controller for instantaneous and accurate flow control.  The system’s built in temperature and barometric pressure sensors along with the microprocessor based mass flow controller, allow the system to accurately calculate the flow rate.  The PLUS technology flow controllers include a built in digital timer with internal battery backup, multiple elapsed time indicators, and four data logs with an external USB drive for data retrieval.  The system data logs record the average, minimum, and maximum ambient temperature and barometric pressure as well as the total ambient and standard flow rate.  These PLUS technology flow controllers also include an auto calibration feature which eliminates the need for lengthy field calibration and manual flow rate calculations.

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