Fine Dust Sampler - PM2.5 Sampler - VTM 650 MFC

VYOMTECH VTM 650 MFC is Ambient Air PM2.5 Fine Dust Sampler based on WINS impactor designs standardized by USEPA for ambient air quality monitoring.

Ambient air enters the VTM 650 MFC  through an omni-directional inlet designed to provide a clean aerodynamic cut -point for particles greater than 10 microns. Particles in the air stream finer than 10 microns proceed to a second impactor that has an aerodynamic cut point at 2.5 microns. The air sample and fine particulates exiting from the PM2.5 impactor are passed through a 47mm diameter Teflon filter membrane that retains the FPM. 

The sampling rate of the system is held constant at 1m3/hr. By locating all power dissipating components in a separate cabinet, the VTM 650 ensures that the temperature of the PM2.5 filter remains close to ambient temperature and there is no chance of losing volatile fractions of the PM2.5. The system uses a continuous rated, oil free pump for providing suction pressure. The standard system is supplied with a  digital flow meter to provide a direct measure of the flowrate and total air volume sampled. VYOMTECH VTM 650 MFC is Ambient Air PM2.5 Sampler (Fine Dust Sampler) based on WINS impactor designs standardized by USEPA for ambient air quality monitoring.

Fine Particulate Sampler PM2.5 Sampler VTM650 MFC
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FINE DUST SAMPLER VTM 650

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Features of Fine Particulate Sampler

  • Filter Temperature & Ambient Temperature
  • Barometric Pressure 
  • Digital Flowmeter and Total Volume Display
  • Programmable Start & Stop Facility
  • Customizable Datalogging intervals
  • Datalogging internal memory and transferable using Pendrive in Excel format
  • User Friendly & Easy to Operate
  • 1 Year Manufacturing Warranty 
  • Specially designed PM10 and PM2.5 Impactors based on US EPA standard designs 
  • Imported Vacuum Pump with a low noise
  • Light Weight and portable cabinet design
  • Rugged Design, Long operational life with smooth functioning
  • Particle Collection on 47mm diameter GFA Filter Membrane

Ambient Air PM2.5 Sampler - Specifications

Size Selective inlets

Omni-directional air inlet with PM 10 separation
through an impactor followed by PM 2.5 separation through a WINS Impactor

Flow Rate

Digital Flowmeter to show flowrate in LPM

Vacuum Pump

Oil Free vacuum pump for stable flow rate

Power requirement

Nominal 220 V, Single Phase, 50Hz AC mains
supply. For proper operation and safety a good earth connection is mandatory

Sample Volume

Digital Display to show Total Sample Volume

Filter

Filter holder designed to accept any standard 47
mm diameter filter media

Temperature

Ambient Temperature and Filter Temperature on Digital Display

Barometric Pressure

Shows Barometric Pressure of sampling location on digital display

Pragrammable

Programmable Start and Stop Functionality

Data Logging

Customizable Datalogging intervals – Set to 5 min by default

Warranty

One year manufacturing warranty

Frequently Asked Questions

Particles that are 2.5 microns or smaller are considered especially dangerous to human health because they bypass many of our body’s defenses. Nose hair, mucus, and other defenses work to catch these smaller particles before they enter deeper into our bodies.

The most common instruments for measuring particulate matter measure either its concentration or size distribution. The most accurate measurements are obtained from instruments that use a gravimetric (weighing) method. Air is drawn through a preweighed filter, and particles collect in the filter
Ambient Fine Dust Sampler is an advanced sampler which is used for determining the concentration in atmosphere of particulate matter of size 2.5 microns and smaller. The sampler is based on EPA reference method for determination of PM2.5 Dust Concentration.

PM2. 5 is more likely to travel into and deposit on the surface of the deeper parts of the lung, while PM10 is more likely to deposit on the surfaces of the larger airways of the upper region of the lung. Particles deposited on the lung surface can induce tissue damage, and lung inflammation.

WHO’s latest global air pollution standard allows for an average of only 15μg/m3 of PM2. 5 concentration in a 24-hour period.

India’s permissible limit is 60μg/m3

Fine particulate sampler is used in for sampling of PM2.5 dust concentration in ambient air.
This is necessary to analyse the effects of air pollution on human health and environment as whole.
Fine particulate sampler principle
The most common fine particulate samplers for measuring particulate matter measure either its concentration or size distribution. The most accurate measurements are obtained from instruments that use a gravimetric (weighing) method. Air is drawn through a preweighed filter, and particles collect in the filter.
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