TSI 4046 Primary Calibrator

TSI 4046 / 4146 Primary Calibrator

The TSI 4046 and 4146 Primary Calibrators are small, portable, battery-operated, lightweight and easy to use. Volumetric flowrate is displayed continuously so adjustments to pump flow can be made in real-time. This primary calibrator is accurate to +/- 2% of reading.


  • Provides continuous real-time volumetric flow rate readings, so pump adjustment and calibration is fast and easy
  • Battery powered, compact and lightweight
  • Field portable—use the same primary calibrator for adjustment, calibration and periodic checks
  • Comes with a NIST traceable calibration certificate
  • Kits come complete and are ready to use


  • TSI 4046
  • TSI 4146


  • Environmental sampling
  • Indoor air quality
  • Industrial hygiene sampling
  • Epidemiology health studies
  • Field services