Tetra Cal Air Flow Regulator View larger

Tetra Cal Air Flow Calibrator

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The BGI tetraCal ® is  simple-to-use, NIST Traceable Standard for volumetric air flow, barometric pressure, and ambient temperature.

Call us for pricing at (709) 368 9000 or via e-mail at enviromed@enviromed.ca

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The tetraCal is a venture based system with built-in compensation for changes in ambient temperature and pressure. All tetraCal systems are built and tested at Mesa which is both a NIST traceable Calibration Laboratory and an ISO 17025 facility.

To use the tetraCal®, simply connect the tetraCal® and the sampling instrument with tubing and media, inline. The tetraCal ® immediately begins providing the flow rate and ambient condition data on the screen.


Simple ON/OFF operation — all data displayed on screen automatically
20 hour battery life (4-AA)
Flow Rate Range: 0.1-30 LPM (tetraCal TC5), 1 – 60 LPM (tetraCal Ultra TC14)
Temp Reading Precision: 0.5oC
Applications include: calibration of environmental and industrial hygiene air-sampling instruments, calibration for audits, and laboratory work.