Dong Ho Kim La Gi?

Dong ho van nang kim (analog multimeter) dung kim tren thang chi. Loi: hien thi dong bien nhanh. Nhuoc: khong chinh xac bang so.

Cach Su Dung

1. Truoc khi do: dat kim ve 0 (zero adjust).
2. Cam que do dung cong (COM + V/Omega).
3. Chon thang do bang nut xoay.
4. Doc gia tri theo vi tri kim tren thang.

Uu Diem

• Hien thi dong bien nhanh.
• Khong can pin do dien ap.
• Don gian, de hieu.

Nhuoc Diem

• Khong chinh xac bang so.
• Kho doc cho nguoi moi.
• Hong de neu roi.

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