美國(guó)ECO公司生產(chǎn)，檢測(cè)范圍0.03-20ppm臭氧檢測(cè)儀。特點(diǎn)：1.容易安裝2.溫度濕度補(bǔ)償3.傳感器是預(yù)標(biāo)定可更換模塊4.可編程的開(kāi)關(guān)點(diǎn)設(shè)置5.當(dāng)超過(guò)0.1ppm安全標(biāo)準(zhǔn)時(shí)提示6.低花費(fèi)長(zhǎng)期穩(wěn)定運(yùn)行SpecificationsRange0.03-20.00ppmofozoneAccuracy10-15%(Typical,dependsonapplication)OutputcontrolSPDTnon-latchingrelay.Contactsratedat5amps,250VACTemperatureandhumidity41-104F,5-40C20-95%RHMeasurementPrincipleThereplaceableSM-XboardcontainsaHMOS(heatedmetaloxidesemiconductor)sensorhavingalifeof2-3yrs.dependingonitsplacedenvironmentandusagePowerRequirements12-24VDC,300mA0.1ppmdangeralarmPanelLEDandSPDTrelay5ampcontacts.ConnectionsTerminalblocksforrelayoutputandDCinput.2.5mmDCpowerjackforACadapterIndicatorsGreenLED:instrument on. RedLED:set-point(0.1PPM)exceededandrelayactivatedMonitoroutputs0-2VDC,4-20mA,RS-232digitalCaseFlame-resistantABSwithmountingearsSize127x64x42-mm(HxWxD)5x2.5x1.625-inWeight200gr(7oz)OPERATIONFirst,verifythattheinstrumentisworkingasreceived.VerifythatasensormoduleiswiredtotheOS-4maininstrumentprocessor.Theotherterminalblocksandset-pointcontrolsarefoundontheinsidebackoftheinstrument(removecovertoaccessthem).ConnectyourACadaptertothepowerjackoryour8-24VDCsupplytoterminals+andGNDoftheterminalblockTB4.ThegreenLEDPowerindicatorshouldlightanddigitsshouldshowonthedisplay.Inordertoburnoffanychemicalsthatthesensormayhaveabsorbedduringshippingandstorage,youshouldlettheOS-4runwithpoweronandthesensormoduleconnectedfor1hourbeforeresponsetestingorovernightbeforethefirstuseonsite.Itisrecommendedtotesttheinstrumentforpositiveresponsewithanozonegeneratorwhentheinstrumentisreceivedandagainatthesitewheretheinstrumentisinstalled.EcoSensors,Inc.offersaninexpensivehandheldozonegeneratorforthistestpurpose,themodelOG-1.YoucannowconnecttheOzoneSwitch toanexternaldevicesuchasanozonegenerator,alarmorPLC.SeeOUTPUTSTOEXTERNALEQUIPMENTbelow.Bringtheexternalwiringthroughtheaccessholeonthebottomoftheenclosure.