Tisch Environmental Particulate Matter MeasurementThe World’s Premier Supplier of Air Quality Instrumentation Low Volume Air Sampler The Tisch Environmental TE-Wilbur is the most advanced low volume air sampler system in the industry.You can configure for TSP, PM10, PM2.5 Details High Volume Air Samplers High volume air samplers PM10 and TSP are used for the collection of airborne particulate matter in ambient air. Details High Volume Air Sampler Calibrators The calibration kit is used for flow rate calibration on high volume TSP, PM10 and PM2.5 samplers. Details