Serialized and calibrated with instruments traceable to the National Institute of Standards and Technology.
Serialized and calibrated with instruments traceable to the National Institute of Standards and Technology. Certified uncertainty of 0.25% across any range. All calibrations are subcontracted to an independent Metrology Laboratory that is certified to 9001:2000 ISO and accredited by A2LA to ISO/IEC 17025 and ANSI/NCSL Z540.1. The Bubble-O-Meters are calibrated in accordance with ASTM E694. The certification provides an actual volume at specific fluid and air temperatures including barometric pressure and humidity. Specific error potential is also quantified. The certification provides the temperature, barometric pressure, and humidity at the time of calibration and defines the specific error potential. Click here to view a sample A2LA Certification.
Our only business is the manufacture, calibration & distribution of Bubble-O-Meter Gas Flow Meters and related accessories. Our products are in use worldwide in education, research, aerospace, defense, metrology, medical, & manufacturing applications. Bubble-O-Meters work with any gas without re-calibration!