MS-53A 直接日射表/直接輻射表
- 公司名稱 北京五洲東方科技發(fā)展有限公司
- 品牌
- 型號 MS-53A
- 產(chǎn)地 EKO
- 廠商性質(zhì) 經(jīng)銷商
- 更新時間 2017/10/27 16:53:55
- 訪問次數(shù) 1227
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通用儀器：冰箱、離心機、天平、培養(yǎng)箱、烘箱、生物安全柜等；專用儀器：導(dǎo)熱系數(shù)測定儀、石英晶體微天平、接觸角測量儀、等離子體表面處理儀、原子吸收、動態(tài)氣體吸附議、反氣相色譜等
This pyrheliometer measures the intensity of a radiant beam at normal incidence that comes only from the solar disk which includes about 5° of circumsolar radiation. The sensor of this instrument, designed in conformity with WMO specifications, is mounted on a tracking system to be always directed to the sun. The tracking system incorporates a sun sensor for tracking during clear weather, and changes automatically to a mechanical mode during cloudy weather.
Sensor
Sensitivity: about 4 mV/kW·m-2
Aperture angle: 2.5° (half angle)
Tracking System
Mechanism: 2-axis pulse motor
Angular step: less than 0.01°
Tracking process: Automatic commutation
between sun sensor mode
and mechanical mode
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