Đo nhiệt độ P8

Chia sẻ: Tien Van Van | Ngày: | Loại File: PDF | Số trang:14

lượt xem

Đo nhiệt độ P8

Mô tả tài liệu
  Download Vui lòng tải xuống để xem tài liệu đầy đủ

Manually Operated Pyrometers Disappearing Filament Pyrometers Principle of operation The first disappearing filament pyrometer was built in 1901 by L. Holborn and F . Kurlbaum (Holborn and Kurlbaum, 1903) . Disappearing filament pyrometers are spectral pyrometers where the brightness of a lamp filament is changed by adjusting the lamp current until the filament disappears against the background of the target, whose temperature is to be measured. In pyrometers of this kind, the eye of the observer is itself the detector . In another seldom applied type of pyrometer the brightness match is achieved by the attenuation ofthe target brightness, using a neutral grey...

Chủ đề:

Nội dung Text: Đo nhiệt độ P8

Đồng bộ tài khoản