Muaj ntau hom hluav taws xob ntsuas hluav taws xob siv hauv daim phiaj hluav taws xob, uas yog tsim los ntsuas qhov hluav taws xob siv hluav taws xob ntawm tsev neeg lossis kev lag luam. Ib qho ntawm ntau hom 'meter' siv nyob rau hauv daim phiaj yog lub ntsuas hluav taws xob, tseem hu ua solid-state meter.
Cov ntsuas hluav taws xob yog cov khoom siv digital uas siv cov tshuab semiconductor kom raug ntsuas thiab sau cov nqi hluav taws xob siv. Lawv hloov cov ntsuas hluav taws xob qub, uas tsis tshua muaj tseeb thiab rhiab heev thiab feem ntau yuav hnav thiab tsim kua muag hauv kev sib piv rau cov ntsuas hluav taws xob hauv lub xeev.
Qhov zoo ntawm cov ntsuas hluav taws xob muaj ntau heev. Lawv yog cov paub meej dua hauv kev ntsuas hluav taws xob siv hluav taws xob, uas yog qhov tseem ceeb rau kev them nqi kom raug. Cov ntsuas hluav taws xob kuj tseem txhim khu kev qha thiab xav tau kev saib xyuas me me nyob rau lub sijhawm ntev, ua rau lawv cov kev xaiv zoo tshaj plaws rau kev siv hluav taws xob. Lawv kuj muaj peev xwm tiv taus kev cuam tshuam thiab kev cuam tshuam sab nraud xws li plua plav lossis dej noo, uas tuaj yeem cuam tshuam qhov tseeb ntawm kev nyeem ntawv.
Tsis tas li ntawd, cov ntsuas hluav taws xob tau tsim los khaws cov ntaub ntawv siv cov ncauj lus kom ntxaws, uas ua rau nws muaj peev xwm ua tau zoo dua kev saib xyuas lub zog thiab tshuaj xyuas. Cov ntaub ntawv no tuaj yeem siv los tsim cov ncauj lus kom ntxaws txog kev siv rau txhua tus neeg siv khoom, uas tuaj yeem siv los txheeb xyuas qhov muaj peev xwm txhim kho lub zog. Los ntawm kev txheeb xyuas cov qauv siv, cov khoom siv hluav taws xob tseem tuaj yeem npaj cov khoom siv thiab xav tau zoo dua, txo qhov kev pheej hmoo ntawm hluav taws xob tsis txaus thiab hluav taws xob.
Lwm chav kawm ntawm ' meter ' siv nyob rau hauv daim phiaj yog smart meter. Lawv yog ib hom kev ntsuas hluav taws xob siab heev uas tau nruab nrog kev ua haujlwm ntxiv los txhawb kev siv daim phiaj ntse. Cov ntsuas ntsuas ntse tuaj yeem siv los saib xyuas kev siv hluav taws xob hauv lub sijhawm tiag tiag, xa cov ntaub ntawv mus rau lub tuam txhab hluav taws xob nyob rau ib ntus. Lawv kuj tuaj yeem muab cov neeg siv khoom nrog cov ncauj lus kom ntxaws txog lawv cov kev siv hluav taws xob, uas tuaj yeem pab lawv tswj hwm lawv cov nqi zoo dua.
Cov ntsuas ntse ntse kuj tau nruab nrog ob txoj kev sib txuas lus muaj peev xwm, uas tso cai rau kev siv hluav taws xob los tswj cov khoom siv hluav taws xob. Cov yam ntxwv no tuaj yeem siv los txo qis kev siv hluav taws xob thaum lub sijhawm ua haujlwm siab lossis ceeb toom rau cov neeg siv khoom ntawm kev siv hluav taws xob. Cov ntsuas ntsuas ntse kuj tseem siv tau los txhawb cov kev xav tau teb, uas muaj kev txhawb siab rau cov neeg siv khoom uas yeem txo lawv lub zog noj thaum lub sijhawm xav tau siab.
Cov ntsuas hluav taws xob thiab cov ntsuas ntsuas ntse yog qhov tseem ceeb ntawm daim phiaj hluav taws xob, muab cov ntaub ntawv raug thiab txhim khu kev qha ntawm cov qauv siv hluav taws xob. Cov cuab yeej no ua rau lub zog siv hluav taws xob los ua kom zoo dua lawv cov khoom siv hluav taws xob thiab cov tswv yim tswj kev xav tau thiab muab ntau yam txiaj ntsig rau cov neeg siv khoom, suav nrog kev them nqi kom raug dua, kev tswj hluav taws xob zoo dua, thiab lub sijhawm los koom nrog cov kev thov teb. Nrog nce kev siv thiab kev siv cov ntsuas no, kev lag luam hluav taws xob tau npaj los ua kom muaj txiaj ntsig zoo, txhim khu kev qha, thiab ruaj khov nyob rau xyoo tom ntej.