Tai Sao Can Bao Quan?

Dong ho van nang la thiet bi do chinh xac. Bao quan tot giu dong ho chinh xac, keo dai tuoi tho.

Cach Bao Quan

1. Luu tru – De trong hop, tranh bui va am.
2. Pin – Rut pin khi khong dung lau.
3. Ve sinh – Lau que do bang ruou, can than voi man hinh.
4. CAT – Dung dung CAT rating.
5. Hieu chuan – 1 nam/lan de dam bao do chinh xac.

Nhung Dieu Khong Nen Lam

• Khong de trong moi truong am.
• Khong do dien cao ap o thang Ohm.

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