Calibration is the comparison and adjustment of a reading from an instrument in correlation with the reading of a higher accuracy piece of equipment. The overall goal of this process is to minimize measurement uncertainty and ensure the accuracy of an instrument.
Over the years, Dwyer Instruments, Inc. has continuously improved its position as a global leader in designing and manufacturing innovative controls, sensors and instrumentation solutions. This success is due in part to our invention of the Magnehelic® differential pressure gage in 1953. Since then, the market leading Magnehelic® differential pressure gage has been continuously updated and improved. The Magnehelic® gage is a versatile low differential pressure gage which quickly indicates air or noncorrosive gas pressures – either positive, negative (vacuum) or differential. Over the years, among countless other updates, we’ve invented a high accuracy version of the Magnehelic® gage which provides an accuracy within 1% of full scale and created backwards compatible products. Continue reading “Magnehelic® Differential Pressure Gage Minor Divisions Update”
Technology markets shift. The shift can be incremental, radical, or sometimes disruptive.
Take, for instance, gages used in process automation markets. Gages command about $3.5 billion in global instrument sales, the major portion, over $11 billion now held by transmitters.
The technological shift from a visual indication gage to the first transmitter has been incremental. It has taken over 50 years for transmitters to go from concept to commanding 70% market share. Continue reading “Market Shifts & the Need for Backward Compatible Products”
A common flow measuring application is using a Magnehelic® Differential Pressure Gage with a Pitot Tube to measure velocity pressure. This velocity pressure can then be easily converted into velocity or flow rate. Continue reading “Custom Scales for Differential Pressure Gages”