Cov lus nug nquag nug thiab lus teb txog Wood Moisture Tester
Nqe Lus Nug 1: Vim li cas kuv thiaj li yuav tsum siv lub ntsuas dej noo?
Qhov no yog tej zaum cov lus nug feem ntau ntawm thawj zaug cov neeg siv dej ntsuas dej. Txawm hais tias cov lus teb meej rau lo lus nug no yuav txawv ntawm kev lag luam mus rau kev lag luam, cov lus teb no feem ntau cuam tshuam txog qhov zoo.
Siv lub ntsuas dej noo, koj tuaj yeem txheeb xyuas qhov teeb meem uas cov qauv ntawm cov ntoo yuav ntsib, xws li tawg, shrinkage, splitting, pwm loj hlob thiab ntau dua. Thaum cov dej noo ntawm cov ntoo siab dhau (los yog tsawg dhau, qee zaum), qhov zoo ntawm cov khoom kawg tuaj yeem raug kev txom nyem.
Siv lub ntsuas dej noo tuaj yeem pab koj kom ntseeg tau tias cov dej noo ntawm cov khoom ntoo uas koj siv yog nyob rau hauv qhov tseeb % MC ntau yam kom tsis txhob hu rov qab tom qab.
Nqe Lus Nug 2: Dab tsi yog qhov txawv ntawm cov ntoo noo noo ntsuas?
Thaum muaj ntau tus qauv ntawm cov ntsuas dej noo hauv khw thiab cov tshiab tshwm sim txhua lub sijhawm, lawv poob rau hauv ob pawg raws li lawv txoj haujlwm:
Koob meters.
Koob-tsawg meters.
Ib tus pin-hom hygrometer siv ob (lossis ntau dua) electrodes txhawm rau nkag mus rau cov khoom siv ntoo txhawm rau nyeem % MC ntawm cov khoom siv uas siv lub hauv paus ntsiab lus ntawm hluav taws xob tiv thaiv. Hauv ob tus pin meter, ib tus pin xa tawm tam sim no thiab lwm yam. tau txais tam sim no, thiab lub 'meter' txhais cov impedance ntawm tam sim no mus rau tam sim no. Txij li ntoo yog ib qho insulator thiab dej yog tus neeg xyuas pib, qhov qis dua qhov tsis kam mus rau tam sim no, qhov siab dua cov ntsiab lus ntawm cov ntoo.
Pinless meters, ntawm qhov tod tes, siv lub tshuab hluav taws xob hluav taws xob hluav taws xob hluav taws xob ntsuas hluav taws xob los ntsuas cov qauv ntoo hauv qab lub rooj tsavxwm. Cov ntsuas no qee zaum hu ua non-invasive noo noo ntsuas vim tias lawv tsis tas yuav nkag mus rau lub cev ntawm cov ntoo kom tau txais kev nyeem ntawv.
Nqe Lus Nug 3: Hom dej ntsuas twg zoo dua?
Tom qab nug txog qhov sib txawv ntawm cov ntsuas dej noo uas muaj, feem ntau cov neeg tseem xav paub seb qhov ntsuas dej noo twg yog hom zoo tshaj plaws. Cov lus teb yog nyob ntawm ntau yam ntawm cov haujlwm koj tab tom ua, qhov loj ntawm cov khoom ntoo uas koj ua haujlwm nrog, seb nws tawm pinholes hauv cov khoom, thiab koj tus kheej nyiam.
Pinless meters yog ceev ceev thiab yuav tsis ua puas lub nto ntawm cov ntaub ntawv scanned. Pin pins, ntawm qhov tod tes, muab cov ntaub ntawv tshwj xeeb rau koj txog kev faib cov dej noo hauv cov ntoo.
Ntau tus kws tshaj lij siv ob hom ntsuas hauv lawv txoj haujlwm, hloov ntawm lawv thaum tsim nyog.
