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Tej thaj chaw deb Ib-theem Prepaid Meter (Wall-Mounted) DDSY1772 4G-GPRS
Cov ntsuas kev ua tau zoo ntawm cov khoom no ua tau raws li txhua qhov kev xav tau rau hluav taws xob ib-theem prepaid zog ntsuas hauv GB / T17215321-2008 (Class 1 thiab Class 2 static AC active watt-teev meters) thiab GBA T18460.3-2001 qauv.
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Tej thaj chaw deb Ib-theem Prepaid Meter (Rail Hom) DDSY1772 4G-GPRS
Pib tam sim no:0.4% yog ';
Kev siv zog:voltage kab <1.0W, 3.0VA;
kab tam sim no <1.0VA;
Creeping:nrog logic tiv thaiv creeping Circuit Court;
Voltage ntau:220V ± 10%;
Ua haujlwm kub ntau:-25 ℃ ~ + 65 ℃ cov ntaub ntawv fais fab tuag
Lub sijhawm khaws cia> 20 xyoo
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Tib-Phase Electronic Meter (Suav Hom) DDS1772
Thaum pib tam sim no nyob rau ntawm qhov ntsuas hluav taws xob, tus nqi ntsuas thiab lub zog hluav taws xob yog 1.0, watt-teev meter tuaj yeem ua haujlwm ib txwm thaum lub sijhawm thauj khoom tam sim no ntau dua 0.4% lb.
