Nta Ntawm Prepaid Zog Meters

1. Siv cov khoom siv hluav taws xob loj sib xyaw ua ke thiab SMT ua tshuab kom ntseeg tau tias cov khoom lag luam muaj kev ntseeg siab.

2. Kev siv hluav taws xob ntawm lub ntsuas hluav taws xob hluav taws xob yog qhov tsawg, uas yog qhov tsawg tshaj li qhov yuav tsum tau ua hauv lub tebchaws.

Cov kab hluav taws xob: ≤0.7W thiab 4VA (National standard: ≤2W thiab 10VA)

Cov kab tam sim no: ≤0.3VA (National standard: ≤4.0VA)

3. Muaj zog tiv thaiv kev nyiag ua haujlwm. Lub ib-theem prepaid watt-teev meter uas tsim los ntawm peb lub tuam txhab txais kev siv thev naus laus zis los tiv thaiv tub sab. Nws tsis tsuas yog muaj kev nyiag hluav taws xob zoo tib yam xws li tiv thaiv lub ntsuas ntsuas ntawm tilting, siv cov hlau nplaum sib nqus, kev siv hluav taws xob luv luv, thiab rov qab siv hluav taws xob, tab sis kuj muaj cov haujlwm ntawm kev tiv thaiv hluav taws xob tub sab nyiag ntawm ib qho hluav taws kub mus rau ib qho chaw.

4. Hais txog cov qauv, lub npog tiv thaiv tub sab yog tsim los tiv thaiv luv luv.

5. Qhov ntau ntawm watt-teev 'meter' yog qhov dav, thiab cov khoom siv ntau dhau yog lav rau ntau tshaj 6 zaug.

6. Lub watt-teev meter muaj ib qho kev tiv thaiv kev sib tw logic, thiab 125% ntawm qhov hluav taws xob yog siv, thiab lub watt-teev meter tsis muaj qhov ntsuas pulse tso zis.

7. Thaum lub watt-teev meter nyob ntawm 0.4% Ib, lub watt-teev meter tuaj yeem pib thiab sau.

8. Lub watt-teev meter muaj qhov dav ua haujlwm voltage: thaum 380VAC siv tsis raug rau lub sijhawm ntev, lub watt-teev meter tseem tuaj yeem ua haujlwm ib txwm.