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TFIA (with options) Fixed Speed Portable Air Samplers

TFIA Series

Low Cost, Portable HI-Vol Samplers

This low cost pump is ideal for indoor or outdoor sampling of Air Pollutants such as Radioactive Particulate. The standard TFIA unit comes complete with a rotometer scaled up to 70 CFM and a 4" diameter filter holder assembly which accepts the "CF" series 8" x 10" paper only holders.

  • Dependable Low-Cost/High-Volume Air Sampling!
  • Portable and Lightweight
  • Instantaneous Flow Reading
  • For Continuous or Intermittent use
  • Indoor or Outdoor use
Motor/Pump Brushed, 2-Stage Blower.
Main Housing Sturdy Lightweight Dural
Max Flow Rate
TFIA w/ 4" holder
40 CFM (w/ FP2063-102)
25 CFM (w/ FP5211-102)
Max Flow Rate
TFIA w/ 8" x 10" holder
70CFM (w/ FP2063-810)
CFM (w/ FP5211-810)
Unit Net Weight 9 lbs.
Shipping Weights & Dimensions 13 lbs., one box.
10½" x 10½" x 13½"
TFIA TFIA-2 115 VAC, 50/60Hz., 9.0 Amp (230 VAC, 50/60Hz., 5.5 Amp)
Filter Holders & Adapters See Filter Holders
Flow Calibrator See Air Flow Calibrators
Filter Paper See Filter Paper For Air Sampling
Filter Cartridges See Analytical Cartridges
Annular Kinetic Impactors See Size Selective Inlets

Ordering Information


HI-VOL Air Sampler, 115VAC 50-60 Hz. Includes 4" Dia. filter paper only holder. Does not include HI-Q calibration.


HI-VOL Air Sampler, 230VAC 50-60 Hz. Includes 4" Dia. filter paper only holder. Does not include HI-Q calibration.

* For Adjustable Flow Rate, Motor Mounting Plate, Elapsed Timer, or NIST Traceable Side Mounted Flowmeter see "TFIA Options" below. 

TFIA Options

  • Motor Speed Control
  • Elapsed, Electronic Timer w/ Mounting Bracket
  • N.I.S.T. Traceable Side Mounted Rotometer
  • Portable Motor Mounting Plate
  • Lightweight Fiberglass Tripod

Upon placing an order or sending a unit in for re-calibration, HI-Q suggests considering the customization of the standard TFIA sampler with some of our popular TFIA options such as: Motor Speed Control which allows the user to set specific sampling flow rates, N.I.S.T. Traceable Side Mounted Rotometer which simplifies re-calibration and meter viewing, Elapsed Timer, Tri-Pod, and TFIA Motor Mounting Plate which allows an operator to set the sampler down virtually anywhere for stable sampling.

Ordering Information

TFIA Options


HI-Q calibrated, Side Mounted Rotometer (for accurate, easy to read, flow measurements). Please specify intended filter media & desired flow range.


Hard mounted Motor Speed Control.


Hard mounted Electronic, Resettable, Elapsed Timer with Bracket, minutes & 10ths of minutes.


7" x 9" TFIA Mounting Plate for desk-top sampling. Non-Slip feet.