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燃燒器燃燒機電眼 火焰探測器 光電管BT-QRB1 Photoresistive flame detectors for use with Landis & Staefa burner controls, for the supervision of oil flames in the visible light spectrum. The flame detectors are used primarily in connection with burner controls for small burners. With this type of flame supervision, the radiation of oil flames in the visible light spectrum is used for generating the flame signal. The light-sensitive element is a photoresistor. When there is no light, the detector′s resistance is in the MΩrange. The resistance drops as the intensity of illumination increases (kΩrange). In contrast to the selenium photocell of the RAR... detectors, glowing firebrick in the combustion chamber can be detected. 此型號廣泛應用于各個品牌的燃油燃燒器上，包括德國WEISHAUPT威索、意大利BALTUR百得、意大利ECOFLAM意高、瑞典BENTONE百通以及大部分國內品牌燃燒器。 網站標注價格為參考價，產品質量有保證，長年備有大量庫存現貨，隨時要貨，隨時發快遞。全國范圍內1-3天可以到達。 如需了解更詳細，請來電索取技術資料。
