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syarat teknis saka kinerja dhuwur kertu IC prabayar meter watt jam

2020-08-07
1. Measuring chip: sawetara ukuran bisa tekan luwih saka 12 kaping; linearitas: ± 0,2%; nggunakake model CS5460, ADE7755, ade7751, ADE7758.



2. Memori memori mikrokomputer chip tunggal: Amerika Serikat nduweni kemampuan anti-gangguan sing kuat saka mikrokomputer chip tunggal; microchip Amerika Serikat, Amerika Serikat mot, Walanda Phillips.



3. Kapasitor elektrolitik: 105 â, ora kurang saka 4000 jam, arus bocor: < 3 μ a; Japanese Rubycon utawa NCC kapasitor digunakake.



4. Piranti sumber daya: bisa njamin operasi jangka panjang ing voltase AC 450V; iku nggunakake resistance kapasitansi langkah-mudhun utawa R-jinis trafo; wis konsumsi daya kurang.



5. Varistor: diameteripun ora kurang saka 20mm, voltase nominal: 750V ± 10% utawa 820v ± 10%.



6. Wadhah kertu IC: wadhah kertu IC standar sing diimpor, urip layanan luwih saka 100000 kali.



7. Relay: Relay latching magnetik 60A utawa 120a dipilih.
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