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46 results for “Sensor”
NIST Measurement Services documentation: heat-flux sensor calibrations. Public domain; the full text is readable in the Atlas document library. NIST Temperature
Standards
IEC 60751:2022 — Industrial platinum resistance thermometers and platinum temperature sensors
Resistance–temperature relationship and tolerance classes (AA, A, B, C) for industrial platinum resistance thermometers. ISO/IEC Temperature
Dictionary
Sensor
The element of a measuring system directly affected by the phenomenon, body, or substance carrying the quantity being measured — the Pt resistance element in…
…Atbothlocations alightweightsource-sensor assemblyisavailablefor irradiation ofpassiveandactiveneutronsensors. Thesource-sensor assembly withsixactivationsensorsmountedonthreeaxesisshowninfigure2. LocationAiscurrentlybeingusedforcalibration ofhealthphysicstype dosimeters. Allactivation foilirradiations arenowdoneatlocationB.All furthersitespecificpropertiesdiscussed inthisreportwillapplyto location Bonly,althoughthesitespecificpropertiesareverysimilar. 2
…Wright Group Leader Fluid Metrology Group Sensor Science Division Physical Measurement Laboratory Dr. Jodie G Pope Mechanical Engineer, Fluid Metrology Group Sensor Science Division…
…Sensors:Sensorsaredevicesthataresampledbetweensetsofopticaldetectormeasurements.Theyare usedforspecialpurposes,suchasmonitoringadetector s,temperature,ormeasuringadetector'sbias voltage.Sensorsarenotrequiredforcalibrations. SpatialFilter:Thespatialfilterisanopticaldevicethatconsistsoftwolensesandapinholeandisused tolimitthespatialfrequenciespresentinabeam.Thedeviceiscommonlyusedtoconvertauniform illuminationintoanapproximatelyGaussianbeam.Inthehigh-accuracycalibrationsystem,theoptical sourceitselfproducesanapproximatelyGaussianbeam,andaspatialfilterisusedtoremovescattered lightandotherartifactsfromaroundtheGaussianbeam.Toproducethedesiredbeamsizeinthe detectorplane…
13 1.4 Thermometer Packaging and Installation Hermetic packaging of the sensor is an important component of cryogenic thermometer design. The details of the…
…Onepossiblealternativeistocalibratetheresponseofthephotodiodecombinedwiththerfpower sensor.Thismethodtotallyeliminatesuncertaintiesduetopowersensorcalibrationand impedancemismatch.Whenthephotodiode/power sensorcombinationtransferstandardisused intheratiotestsystem,thecombinedfrequencyresponseisusedtofindthemodulationdepthof thesource 31
…Uncertainties due to spatial non-uniformity of pressure within the tank and time response of the sensor are negligible since the calibration procedure is…