文档介绍:袁羇蚃蒅螃蒈LUGBvortexflowmeter莀蚇肆蒆袂袅□Measurementofsteam,gas,liquidvolumeflowandmassflow螀蒈袀□Nomechanicalmovingparts,pactstructureandconvenientmaintenance薈芄芀□Thepressurelossofsmall,widemeasuringrange腿膈袅□Thescramblercircuitandantivibrationsensingheadinstrumentwith莅莃羅Antivibrationperformance袂袈芁□Measurablemediumtemperatureof+350C(+450degreesC)蒇螅蚇节虿袈膄袃肅Thegeneralizabilityof——————————————螁荿蚁 LUGBtypevortexflowmeterisbasedonCarmen(Karman)theprincipleofthevortexmeasurementofgas,steamorliquidvolumeflow,,shielding,filteringandothermeasures,esimilarproductspoorshockresistance,smallsignaldatadisorderandotherproblems,andadoptsauniquesensorpackagetechnologyandprotectivemeasures,,positecansimultaneouslyachievethetemperature,pressure,,bodystructure,——————————————莇莄肅    Vortexflowmeterisdesignedbytheflowfieldinthevortexgeneratingbody,,itssidesformedtoalternatebetweentworowsofvortices,,andgivestherelationtype:薀袀肂F=St*V/Dtypein:膄蒂袇Fvortexfrequency(Hz)罿蚀蒅Vvortexgeneratingbodyonbothsidesofthemeanflowvelocity(M/s)膅袅膅StStrouhalcoefficient(constant)蚃肇蒃    Thesealternatingvorticesformedaseriesofalternatingchangeofthenegativepressure,thepressureinthedetectingprobe,toproduceaseriesofalternatingelectricalsignalsthroughapreamplifier,conversion,shaping,amplification,outputandvortexsynchronizationproportionaltothefrequencyofthepulsesignal(orsignals).芇羃蕿膂袇蒈肄肂芅Theinstrumentfeaturesanduse一——————————————薁薇薀Characteristic.□Nomovableparts,long-termstability,simplestructureandconvenientinstallationandmaintenance;肆蒄芁□Thescramblercircuitandantivibr