Tai Sao Chon Day Do Quan trong?

Day do (test lead) la phu kien khong the thieu cua dong ho vang nang. Chon sai day do co the gay ket qua sai, hong dong ho, nguy hiem cho nguoi dung.

Cac Loai Day Do

• CAT II 600V – Cho gia dinh, DIY.
• CAT III 1000V – Cho cong nghiep.
• CAT IV 600V – Cho nguon dien.

Cach Chon Day Do Cho ZOYI

1. Kiem tra han muc CAT tren dong ho.
2. Chon day do co CAT bang hoac cao hon.
3. Thay day do moi neu bi nat, moc.

Cau Hoi Thuong Gap (FAQ)

Bai Viet Lien Quan

• True RMS la gi?
• Cach do dien ap DC/AC
• Cach do dong dien
• Nguyen tac an toan