Flow Calibration

With fluid flow research and development is our primary mission, Flow Matrix has invested heavily to ensure that our measurement capabilities are the best and most accurate available. Through the implementation of our Engineering and R&D resources, our products have some of the broadest performance specifications among all fluid flow technologies. We have supplemented our internal capabilities with extensive testing by accredited laboratories. One such laboratory is Flow Dynamics Inc., responsible for much of our accredited, third party data (visit www.flow-dynamics.com for more info). Below is a description of the tools used by our Research and Development team to conduct flow measurement studies: the Molbloc' and RPM3' Series of Secondary Flow and Pressure Measurement.

The Molbloc' and RPM3' are a series of secondary or "transfer" calibration monitors that measure flow and pressure, respectively. They have some of the highest accuracy and performance specs in the flow and pressure industry and are used for calibration by almost all high-accuracy mass flow control technologies. For specifications on this equipment or more information visit DH Instruments at www.dhinstruments.com. Molbloc' and RPM' are trademarks of DH Instruments Inc.

Flow Matrix Sensor and Flow Data Acquisition Laboratory

Flow Matrix maintains a real-time flow measurement, sensor research and data acquisition laboratory. Our internal capabilities now include a fast time response (~10 msec) data acquisition and analysis center which includes 16 bit DAC and signal conditioning for fast pressure and flow transient response. Due to the extremely fast response of our devices (<100msec), we had to ensure that our data gathering capabilities were at least an order of magnitude faster. In addition to our flow laboratory, we have full electronic waveform and signal analysis capabilities for electrical sensor design and performance characterization. The flow laboratory along with the entire facility is capable of flowing five different gas types for various molecular weight and viscosity calibrations and studies. In addition to flow calibration capabilities, we also have the capability to perform both inboard and outboard helium leak testing using a helium mass spectrometer for the highest level of leak integrity testing.

Flow Matrix also maintains a real-time liquid flow calibration and research station with the same capabilities as our gas flow bench. We utilize velocity-dependent and volumetric devices such as turbine meters for fast time response coupled with gravimetric (weight) capabilities for high accuracy data. In addition, we have future plans to utilize primary calibration tools that measure fundamental units such as mass, time, and length to calibrate all of our secondary flow standards such as thermal mass flow meters, turbine meters, laminar flow elements such as the Molbloc' systems, and others. We strive to maintain complete traceability for every piece of measurement equipment to known uncertainty values throughout our calibration chain, and to share our data with national standards such as NIST (the National Institute of Standards and Technology www.nist.gov ). Our goal is to maitain the highest standards in the industry for our products and their use in critical processes.

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