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Primary Calibrator 4146

SKU: 4146

The Primary Calibrator 4146 has a range of 0.01 to 20 liters per minute (L/min).

Product Details

This small, portable, battery-operated unit is 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.

Features and Benefits

  • Provided 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


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

Included Items

  • Flow Meter
  • Soft carrying case
  • Battery pack
  • (6) AA Alkaline batteries
  • Connectors
  • Tubing
  • Dampening chamber module
  • Battery pack lugs
  • 2-year warranty
  • User guide
  • NIST certificate of calibration