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Personal Modular Impactor


Orderable Items The SKC Personal Modular Impactor (PMI) Samplers are highly efficient for personal PM10, PM2.5, or PM Coarse (10-2.5) sampling and closely follow the PM2.5 and PM10 criteria defined by U.S. EPA. PMI Samplers are lightweight and compact with a convenient removable filter cassette and disposable pre-oiled impaction discs (no cleaning or greasing). The PMI PM10 model is easily converted with an accessory ring to sample PM Coarse (10-2.5). Use PMI Samplers with any constant flow pump at 3 L/min. SKC recommends the AirChek XR5000 Sample Pump.



 
  • Models available for PM10, PM2.5, or PM Coarse (10-2.5) sampling


  • Use with any constant flow pump at 3 L/min


  • Closely follows PM2.5 or PM10 as defined by EPA


  • Compact and lightweight — only 2.5 ounces (71 grams)
    • Ideal for personal or micro-environmental sampling

  • Convenient modular design for easy operation
    • Removable filter cassette for easy media changes
    • Disposable ready-to-use pre-oiled impaction discs reduce particle bounce for high collection efficiency — no cleaning or greasing
    • Convenient clip for mounting sampler in the breathing zone

  • PMI PM10 model is easily converted with accessory ring to measure PM Coarse




 


 


 

Performance Profile

Flow Rate 3 L/min for all models
50% Cut-point 10 µm or 2.5 µm (model dependant)
Material Inlet: Precision-tooled aluminum
Exhaust: PVC
Filter Cassette: Delrin® with stainless steel support screen

O-ring: Inlet — PTFE
O-ring: Exhaust — BUNA-N

Final Collection Filter 37-mm filter, select filter material based on application
Impaction Substrate 25-mm pre-oiled, disposable porous plastic disc to reduce particle bounce or 25-mm filter for optional chemical analysis
Analyses Gravimetric and chemical
Dimensions
(without clip)
Diameter: 2 in (5.1 cm)
Height: 1 in (2.6 cm)
Weight: 2.5 oz (70.9 gm)
Tubing 1/4-inch ID



 


 


 

SKC Personal Modular Impactors
The patented (U.S. Patent No. 7,334,453) SKC Single-stage Personal Modular Impactors (PMIs) are designed for the highly efficient collection of PM10, PM2.5, or PM Coarse (10-2.5). The samplers are easy to use with their removable filter cassette and pre-oiled impaction disc. PMI media changes are as easy as removing the filter cassette and replacing it with one already loaded with a 37-mm final filter. The 25-mm pre-oiled impaction disc mounts directly on top of the filter cassette and reduces particle bounce for high collection efficiency. A 25-mm filter may be used as an alternative impaction substrate for gravimetric or chemical analysis of particles. The PMI Coarse model and the Coarse Ring accessory include a second filter cassette to allow collection of particles sized between 2.5 and 10 µm.

Chart: Collection Efficiency of PMI 2.5 and PMI 10 Samplers
Collection Efficiency of PMI 2.5 and PMI 10 Samplers
(Click to enlarge)