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| About CME, Div. Of Aerospace Control Products: | |
| CME has been successfully supplying gas laminar flow transfer standards and calibration systems to the U.S. Navy, Air Force and industrial calibration laboratories for more that 30 years. Specifically, CME specializes in applying laminar flow technology to high accuracy gas flow measuring. Product Summary Recently, we have emphasized merging our gas flow expertise with rapidly changing electronic technology to produce SMART, user-friendly gas flowmeters, calibrators and gas flow measuring systems. CME products are economical to purchase and operate, require little operator training, are fool-proof to set up and operate and can be customized to meet specific requirements. Let CME Solve Your Gas Flow Problems PRINCIPLES OF OPERATION: The flow of the test gas through the linear restrictor(s) creates a pressure difference (differential pressure) between the upstream and the downstream pressure taps. The differential pressure is directly related to the flow and viscosity of the gas, according to the 140-year old Hagen-Poiseuille law. The flow inside the element is laminar (not turbulent) so that as flow rate is decreased the Reynolds Number is decreased and the flow is even more laminar. All of the flowmeters, flow systems and flow calibrators made by CME utilize these Laminar Flow Elements (LFE's). CME Laminar Flow Elements and Systems provide the following general advantages: • NIST Traceable • High Accuracy • Low Pressure Drops • Multiple Gas Applicability • No Moving Parts to Wear Out • LFE is 304/316 Stainless Steel SMART FLOWMETERS, SYSTEMS AND CALIBRATORS "Throw Your Calculator Away" CME strongly advocates the use of SMART flowmeters, systems and calibrators to meet the increasing demand for greater accuracy of measurement in test and calibration. CME SMART flowmeters provide both volumetric (actual) and standard/mass flow measurements. To maintain the accuracy of the Laminar Flow Element's calibration, it is necessary to measure the temperature and pressure of the gas flow stream. CME SMART flowmeters have all components calibrated together, as a system, and dedicated flow computers automatically make all flow calculations. That's why CME can guarantee an overall system accuracy with the minimum degradation of accuracy and possibility of error and still provide both actual flow rates and standard flow rates. This eliminates the need for manual calculations and additional operator training. |
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