Field Testing Services

Airflow Sciences Corporation provides accurate, reliable measurements to help solve your flow-related problems.

HVT Testing

General Air, Gas, and Liquid Measurements

  • Velocity
  • Temperature
  • Pressure / Pressure Loss
  • Chemical Species Concentration

Particle-Laden Flows

  • Isokinetic Particle Sampling
  • Particulate Flow Rate Measurement
  • Particle Size Distribution Analysis


ASC has measured coal pipes, cyclones, windboxes, fans, SCRs, air heaters, ESPs, fabric filters, furnaces, economizer outlets, stacks, and more.

ESP testing with vane anemometer

Pollution Control and Compliance Testing

  • Stack Flow RATA (QSTI certified)
  • EPA Methods 1, 2, 3, 4, 5, 6, 7, 8, 10, 16, 17, 19, 29
  • EPA Methods 2F, 2G, and 2H for flow measurement
  • EPA Method 5 and 17 for particulate matter
  • SCR Tuning (NOx, NH3 slip)
  • Gas Emission Measurement (NOx, SO2, O2, CO, etc.)

Specialty Measurement Services

  • Coal Flow Balancing (ASME or ISO)
  • Air Flow (Clean or Dirty) Calibration
  • Duct Flow Balancing & Distribution
  • 3D Flow Measurement
  • Burner Secondary Air Balancing
  • ESP Face Velocity Testing
  • Video Inspection
  • Wind Tunnel Probe Calibration
  • HVT Testing (NOx, O2, FEGT)
  • Inleakage Identification
  • Fan Performance
  • Air Heater Performance

Also see our Products page for more information about our testing equipment.