Casella, a division of TSI, manufactures high-quality personal and area air sampling pumps, calibrators, and occupational hygiene instruments trusted by professionals worldwide. Designed for durability, accuracy, and ease of use, these solutions help organizations perform reliable workplace exposure monitoring while simplifying field operations through intuitive features and proven technology.


Casella, a division of TSI, manufactures high-quality personal and area air sampling pumps, calibrators, and occupational hygiene instruments trusted by professionals worldwide. Designed for durability, accuracy, and ease of use, these solutions help organizations perform reliable workplace exposure monitoring while simplifying field operations through intuitive features and proven technology.

  • Flow range: 20 – 500 ml/min
  • Intrinsically Safe
  • Motion Sensor
  • Bluetooth, PC Download
  • Run time duration and fully programmable timers
  • Logging of flow and motion
  • Flow range: 1000 – 5000 ml/min
  • Low flow range ml/min: 5 – 500 (requires an adapter)
  • Intrinsically Safe
  • Motion Sensor
  • Bluetooth, PC Download
  • Run time duration and fully programmable timers
  • Logging of flow and motion
  • High flow rate (5-12 L/min)
  • Impressive back pressure capability
  • Inlet pressure monitored to establish filter loading
  • Mains and battery-powered
  • Rugged IP65 design
  • Range of 0.01 to 20 L/min
  • Small, portable, battery-operated
  • Accurate to +/- 2% of reading
  • Real-time volumetric flow rate readings
  • Range of 2.5 to 300 L/min
  • Small, portable, battery-operated
  • Accurate to +/- 2% of reading
  • Real-time volumetric flow rate readings
  • Flow range 0.5L/min to 5L/min
  • High accuracy calibration
  • Pulsation detection
  • Simple operation
  • Rugged design
  • Long battery life (70 hours)
  • Can be operated with a personal sampling pump
  • Personal PM2.5 or PM10
  • Indoor/outdoor air quality assessment
  • 37mm/25mm Air Sampling Cassette – 0.8µm MCE Filter
  • 37mm/25mm Air Sampling Cassette – 5.0µm PVC Filter
  • 37mm Air Sampling Cassette – PTFE Filters (polypro)
  • ISO/ACGIH/CEN convention: 1.7 LPM with a nominal particle diameter of 4.0 μm
  • Other applications: 2 LPM with a nominal particle diameter of 3.5 μm
  • Certification: meets NIOSH requirements for 10 mm nylon cyclones as specified in 0600 for nuisance dust & 7500, 7501, 7601 & 7602 for silica dust
  • Universal Cassette and Cyclone Holder
  • Compatible with SKC Aluminum Cyclones (Dorr-Oliver)
  • Complete with all fittings and Tygon tubing for connecting the sampling pump
  • Low flow adaptor assembly (incs tube holder, CPC, and tubing)
  • Sorbent tube holder
  • Available for small and large sorbent tubes
  • Tubing – Tygon R-3603 1/4″ ID x 50 ft Long
  • 1L Tedlar Bag w/ Polyproplyene Fitting
  • 3L Tedlar Bag w/ Polyproplyene Fitting
  • 10L Tedlar Bag w/ Polyproplyene Fitting
  • 25L Tedlar Bag w/ Polyproplyene Fitting
  • Inhalable dust sampling head with plastic cassette
  • Anasorb sorbent tubes
  • Silica gel sorbent tubes
  • Charcoal sorbent tubes
  • XAD sorbent tubes