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 gay ra ket qua sai, hong dong ho va nguy hiem cho nguoi dung.

Cac Loai Day Do

• CAT II 600V – Gia dinh, DIY
• CAT III 1000V – Cong nghiep
• CAT IV 600V – 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 dong ho.
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