PDS800 handheld ib nrab tso tawm tester tsim los ntawm peb lub tuam txhab yog ib tug multi-functional handheld ntsuas uas kuaj pom ib feem ntawm cov khoom siv raws li nyob rau hauv av voltage, ultrasonic, ultrasonic, thiab high-frequency tam sim no nrhiav kom tau txoj kev; Nws yog tsim rau cov cables, Ib feem ntawm kev kuaj xyuas cov khoom siv hluav taws xob xws li GIS, hloov cov txee thiab cov khoom siv hluav taws xob. thiab nws txoj haujlwm ua haujlwm yog raws li hauv qab no;
1. Transient av voltage
Thaum ib feem ntawm qhov paug tshwm sim hauv cov khoom siv hluav taws xob high-voltage, cov hluav taws xob tso tawm thawj zaug sib sau ua ke hauv cov hlau hauv av uas nyob ib sab ntawm qhov chaw tawm, tsim hluav taws xob nthwv dej thiab nthuav tawm txhua qhov kev qhia. Lub electromagnetic yoj generated los ntawm cov paug kis tau los ntawm seams ntawm lub thawv hlau los yog cov roj-insulated hloov. Lub gasket propagates tawm thiab nyob rau tib lub sij hawm generates ib tug transient av voltage, uas yog kis tau mus rau hauv av los ntawm lub nto ntawm lub thawv hlau ntawm cov khoom.
Transient hauv av voltage ib feem tso saib xyuas yog nyob ntawm qhov tseeb qhov tseeb tias cov khoom siv hluav taws xob ib txwm tsis tshua muaj hluav taws xob hloov pauv hauv av nthwv dej ntawm 3 thiab 100MHz. Thaum siv lub hauv paus ntsiab lus no los saib xyuas ib feem ntawm qhov tso tawm, kev sib raug zoo ntawm cov teeb liab mem tes thiab theem voltage tsis tas yuav tsum tau txiav txim siab, yog li nws tuaj yeem siv rau kev saib xyuas niaj hnub hauv lub xeev ntawm cov khoom siv hluav taws xob ntau.
Txij li cov cuab yeej pabcuam ntawm lub chaw nres tsheb fais fab, xws li cov teeb pom kev zoo nrog cov khoom siv hluav taws xob, cov khoom siv hluav taws xob siv cov khoom siv hluav taws xob hloov hluav taws xob rau kev tswj hluav taws xob, cov khoom siv sib txuas lus, thiab cov raj xa tawm rau cov khoom siv hluav taws xob tseem ceeb, thiab lwm yam. bands, txoj kev no yuav tsum tau siv nyob rau hauv Thaum txhim kho ib feem ntawm kev tso tawm technology, yuav tsum tau them nyiaj mloog mus rau tshem tawm thiab paub qhov txawv xws li cuam tshuam cov teeb liab. Yog tias tsim nyog, lwm yam kev ntsuas ntsuas, xws li spectrum analyzers thiab oscilloscopes, tuaj yeem siv los xyuas kom meej tias qhov tso tawm ib nrab thiab paub qhov txawv ntawm cov teeb liab cuam tshuam.
2. Ultrasound
Cov khoom siv hluav taws xob tsim hluav taws xob ua suab nrov thaum tso tawm. Qhov zaus spectrum ntawm lub suab nthwv dej uas tsim los ntawm qhov tso tawm yog dav heev, los ntawm kaum tawm Hz mus rau ob peb MHz, uas lub teeb liab zaus hauv qab 20kHz tuaj yeem hnov los ntawm tib neeg pob ntseg, thiab lub teeb liab ultrasonic saum toj no zaus yuav tsum tau txais los ntawm lub ultrasonic sensor. Raws li kev sib raug zoo ntawm lub zog tso tawm los ntawm kev tso tawm thiab lub suab lub zog, qhov kev hloov ntawm lub suab siab ntawm lub teeb liab ultrasonic sawv cev rau qhov kev hloov ntawm lub zog tso tawm los ntawm ib feem ntawm qhov paug tawm, thiab lub zog ntawm qhov paug tuaj yeem raug xam los ntawm kev ntsuas lub zog. suab siab ntawm lub teeb liab ultrasonic, uas yog lub hauv paus ntsiab lus ntawm lub teeb liab ultrasonic nrhiav kom tau ib nrab paug.
3. UHF
Lub zog rwb thaiv tsev thiab tawg teb lub zog ntawm cov khoom siv hluav taws xob insulators yog siab heev. Thaum ib feem ntawm qhov paug tshwm sim nyob rau hauv ib qho me me, cov txheej txheem tawg tau nrawm heev thiab cov mem tes nrawm heev yuav raug tsim tawm nrog lub sijhawm nce ntawm tsawg dua 1ns thiab qhov ua kom muaj zog ntawm Electromagnetic tsis txog li ob peb GHz. Lub hauv paus ntsiab lus ntawm ultra-high frequency (UHF) ib feem ntawm qhov paug tawm txoj kev yog siv UHF sensors los xyuas qhov ultra-high zaus electromagnetic yoj signals generated thaum lub sij hawm ib feem ntawm cov khoom siv hluav taws xob, yog li tau txais cov ntaub ntawv tseem ceeb ntawm ib feem tawm thiab paub txog ib nrab paug. kev soj ntsuam thiab kev tshawb nrhiav ultra-high zaus. Cov zaus band yog 300MHz-1.5GHz. Nyob ntawm cov xwm txheej ntawm cov khoom siv ntawm qhov chaw, cov khoom siv hauv UHF thiab lwm yam UHF sensors tuaj yeem siv tau.
Txij li thaum lub chaw corona cuam tshuam feem ntau yog nyob rau hauv qab ntawm 300MHz zaus band, UHF txoj kev tuaj yeem tiv thaiv ntawm qhov chaw corona thiab lwm yam cuam tshuam, muaj kev nkag siab zoo thiab muaj peev xwm tiv thaiv kev cuam tshuam, thiab tuaj yeem paub txog kev tso tawm ib feem ntawm kev kuaj xyuas, tso, thiab defect hom kev txheeb xyuas. thiab lwm yam zoo.
4. High zaus tam sim no
Lub zog rwb thaiv tsev thiab tawg teb lub zog ntawm cov khoom siv hluav taws xob insulators yog siab heev. Thaum ib feem ntawm qhov paug tshwm sim nyob rau hauv ib qho me me, cov txheej txheem tawg sai heev thiab cov mem tes nrawm heev yuav raug tsim tawm. Ib nrab paug tshwm sim hauv cov khoom siv hluav taws xob high-voltage, thiab cov paug tawm tam sim no nthuav tawm mus rau lub ntiaj teb raws hauv av xaim. Cov mem tes tam sim no tsim los ntawm qhov tso tawm ib nrab tuaj yeem kuaj pom ntawm cov khoom siv hauv av xaim. High-frequency tam sim no sensors (HFCT) raws li txoj kev no feem ntau siv Rogowski coils. Kev tshawb pom ntawm cov kab hauv av ntawm cov khoom siv hluav taws xob los ntawm kev siv cov khoom siv hluav taws xob siab tam sim no yog ib txoj hauv kev nrhiav kom tsis txhob cuam tshuam. Cov cuab yeej raug kuaj pom tsis tas yuav raug kaw, thiab nws yooj yim thiab txhim khu kev qha.