Druckmessumformer

Pressure transmitter 1. Maincharacteristics ·Rangecoversscopeiswide Allstainlesssteelconstruction,allkindsofpressureinterfaceforms,hastheflushdiaphragm,thetantalumdiaphragmandsoon.ProtectiongradeIP65 ·Allkindsofoutputsignalforms,fieldmaybothregulatinganddisplaying. ·Reversedpolarityprotectionandinstantaneousovercurrentandovercross-voltageprotection,isinaccordancewithEMIprotectionrequirement. ·Explosion--proofproductconformstoGB3836.4standardExiaIICT6requirements,explosion--proofcertificatenumberisCNEX03.823. 2. Workingprinciples ThisproductadoptsOEMpressuretransducerwithstainlesssteelisolationdiaphragmassignalmeasureelementandautomatictestingbythecomputer.Usinglaseradjustmentresistancetechnologycarriesontemperaturecompensationtozeropointandsensibilityinwidthtemperaturescope.Amplificationcircuitlocatesinstainlesssteelhousingwherewouldtransformsensorsignalintostandardoutputsignal.Thewholeproductpassedthroughstrictlytestandagedscreeningtoelementanddevice,half-finishedproduct,anditsperformanceisstableandreliable. 3. Technicalparameters Measuringrange-0.1 0—0.01 60MPa Overload1.5timesfullrangepressure Thetypeofpressuregaugepressureorabsolutepressureorsealedreferencepressure Accuracytypical:±0.25%FS max ±0.5%FS(includingnon--linearity,sluggishnessandrepeatability) Long-termstabilitytypical ±0.1%FSmax.±0.2%FS Temperaturedriftforzeropoint0.03%FS/°C(≤100KPa)0.02%FS/°C(>100KPa) Temperaturedriftforfullscale0.03%FS/°C(≤100KPa)0.02%FS/°C(>100KPa) Permissivetemperature ·normaloperationtemperature–20 70°C ·diaphragm–20 80°C(shorttimemayarriveat130°C) ·storagetemperature–20 80°C ·high-lowtemperaturetype–65 150°C10 200°C10 350°C Supplypower(12.5 36)VDC Outputsignal(4 20)mADC Transmissionmodetwo--wiresystem ShellprotectioncablelineandconnectorarebothIP65 Electricconnectionimportexplosion--proofplugsocketorcable1.5m Shell1Cr18Ni9TistainlesssteelO-typering:fluorinerubber,Nitrilerubber Membrane316Lstainlesssteel