The FlexCal Volumetric Flow Calibrator is Mesa Labs’ newest standardized and volumetric primary flow standard offering easy-to-navigate calibrations with unmatched flow ranges, accuracy, and portability. The FlexCal offers flow ranges up to 50 LPM with a standardized accuracy of 0.5%, is small, easy to transport and ready for even the most demanding applications. When you use FlexCal from Mesa Labs, you are guaranteed high accuracy with high confidence without the use of soap pumps, timers, or heavy testers. At Mesa Labs, we care about calibration, so you don’t have to. The FlexCal is the most accurate and reliable flow calibrator on the market, ideal for flow verification applications in both occupational health and the environment, giving you complete confidence in the results of your sampling devices.

  • Piston flow calibrator for verification of volumetric flows in sampling devices with accuracy of +/- 0.5%
  • Volumetric flow gauge available in ranges of 5-500 cc/min, 50-5000 cc/min and 0.5-50000 cc/min
  • Selectable units for flow (mL/min, L/min, cc/min, cf/min), temperature (°C, °F), and pressure (mmHg, PSI, kPa)
  • Actual volumetric flow and standard volumetric flow
  • Reading time between 1 – 15 seconds
  • Backlit LCD display
  • USB communication interface
  • Operation by rechargeable batteries for operation between 6-8 hours