Hướng dẫn sử dụng, Tin tức
Cách sử dụng ampe kìm sao cho hiệu quả nhất
Sử dụng ampe kìm đối với thợ điện tương đối đơn giản. Nhưng sử dụng sao cho hiệu quả nhất thì không phải ai cũng biết. Ampe kìm không yêu cầu bạn phải ngắt mạch hoặc nối trực tiếp với dây điện. Điều này làm cho nó trở thành công cụ lý tưởng cho DIYer hoặc những người đang làm quen với điện, điện tử. Mời bạn cùng xem bài viết “cách sử dụng ampe kìm sao cho hiệu quả nhất” sau đây:
Cách sử dụng ampe kìm
Sau đây là hướng dẫn cách sử dụng ampe kìm một cách hiệu quả. Những lưu ý này bạn cần biết để tránh xảy ra sai lầm khi đo.
Chọn phạm vi cao rồi giảm dần.
Nếu không chắc chắn về phạm vi điện áp, tốt nhất là luôn chọn một phạm vi cao hơn và sau đó giảm khi cần thiết.
- Bước 1: Kẹp dây dẫn bạn muốn đo. Lưu ý nó cần phải có điện. Nếu ampe kìm của bạn không tự động nhận thang đo mà bạn lại không biết phạm vi đo. Tốt nhất bạn nên luôn chọn một phạm vi cao rồi giảm dần khi cần thiết.
- Bước 2: Đảm bảo cảm biến kẹp kẹp vào dây điện. Chú ý không cho cảm biến kẹp chạm vào các thiết bị khác. Nếu các dây lộn xộn, bạn cần gỡ dây muốn đo ra để đồng hồ kẹp không tiếp xúc với dây khác. Kết quả sẽ xuất hiện trên màn hình khoảng vài giây.
- Bước 3: Đọc kết quả trên màn hình. Nếu đồng hồ có chức năng ghi dữ liệu, bạn có thể sử dụng nó để lưu và đọc sau.
Những lưu ý khi mua ampe kìm
Không phải tất cả ampe kìm đều có chức năng và chất lượng giống nhau. Điều quan trọng là bạn nên mua một chiếc ampe kìm chất lượng tốt nhất với kết quả chính xác nhất thích hợp với môi trường bạn làm việc. Một trong những yếu tố bạn nên cân nhắc là độ chính xác.
Bạn nên tham khảo một trong những loại ampe kìm tốt nhất hiện nay trong bài viết: Top 10 ampe kìm tốt nhất 2018
Tốt nhất bạn nên mua loại có True RMS.
Xung quanh các thiết bị, dây dẫn thường có rất nhiều thiết bị điện, điện tử khác. Một số loại thiết bị gây ảnh hưởng nhiễu sóng ảnh hưởng tới kết quả đo như: bóng đèn, lò vi sóng, wifi…Và nó ảnh hưởng trực tiếp tới độ chính xác của phép đo. Vì thế tốt nhất bạn nên mua một chiếc ampe kìm có True RMS.
Công nghệ True RMS giúp giảm sóng nhiễu ảnh hưởng, tăng độ chính xác và hiệu quả của phép đo.
Bạn nên mua ampe kế true rms với tiêu chuẩn chính xác <2%. Độ chính xác càng cao càng tốt.
Tránh mua các loại ampe kìm có tính năng ngớ ngẩn như thước đo
Trong môi trường phòng thí nghiệm sạch sẽ. Gần như mọi loại ampe kìm đều hoạt động cực tốt và đáng kinh ngạc. Nhưng thực tế lại khác. Bạn không có làm việc trong môi trường này.
Bạn phải chịu khó tìm kiếm loại ampe kẹp được thiết kế phù hợp với môi trường bạn làm việc. Và chỉ sử dụng nó trong khoảng nhiệt độ giữa tối thiểu và tối đa hỗ trợ. Nếu không, độ chính xác nó sẽ không cao.
Cuối cùng, bạn nên xem xét các tính năng của nó. Nên loại bỏ các thiết bị có các tính năng ngớ ngẩn như thước dây…Thay vào đó hãy tập trung vào chức năng đo mà bạn muốn để hoàn thành công việc nhanh và chính xác.
Một số tính năng hữu ích cần chú ý bao gồm khả năng đo Inrush. Có thể là vô giá nếu bạn sẽ làm việc trên động cơ, tự động điều chỉnh và màn hình hiển thị màu đen lớn với góc nhìn rộng.
Kết luận:
Trên đây là bài viết “Cách sử dụng ampe kìm sao cho hiệu quả nhất“. Chúng tôi đã hướng dẫn cụ thể bạn cách sử dụng và những lưu ý khi sử dụng ampe kế để làm việc hiệu quả nhất có thể. Chúc bạn thành công.
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