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How to Save Time & Money by Calibrating Flow Meters Onsite


May 01, 2014

If you have hundreds of mass flow controllers and meters or just a few in your lab, facility, or manufacturing process, how do you keep up with the demands of annual recalibration? Most flow meters and controllers need to be recalibrated yearly to meet stringent ISO quality standards. This requires technicians to remove the mass flow meters from the process, send the products back to the factory for calibration, wait 4-6 weeks for the products to return, and complete tedious paperwork. The task of managing this calibration process is not only very time-consuming, but costs facilities and labs thousands of dollars in downtime and maintenance costs.

There is actually an easier, faster, and more cost-effective way to keep up with your yearly calibration of mass flow meters and controllers. Bring precise, primary standard calibration directly to your lab or process! How is this possible with the traditional factory recalibration process? Portable, gas flow calibration systems based on primary standards are the solution.

In this week’s post, I’ll share the key selection criteria for  choosing the best gas flow calibrator for you application and highlight the key applications for our  CalTrak family of gas flow calibrators.

Selection checklist for Gas Flow Calibrators



  • Primary Standard. Primary Standards are characterized by the basic quantities of time and distance, rather than against another gas flow meter, and can also be verified by every national laboratory by checking those basic quantities. The CalTrak line provides primary NIST traceability and is manufactured under strict ISO 17025 certification.

  • Portability. Battery-operated models allow for fast, accurate calibration in the field. So, bring your gas calibrator to your mass flow controllers on the factory floor and calibrate on location.

  • Flexibility. Easy-to-use interface and CalTrak Software captures flow data for export into a PC or Microsoft environment.


CalTrak Gas Flow Calibrator Video


To give you a better understanding of the importance of Primary Standards, as well as an overview of the CalTrak family, watch the following video.

Need help choosing the right gas flow calibrator for your application? Check out our Primary Standard Flow Calibration System Selection Chart. And, be sure to check out our sub-metering infographic to find out the secret to slashing your facility’s natural gas bill by thousands.

Scott Rouse, Product Line Director
Written By:
Scott Rouse, Product Line Director
Sierra Instruments

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