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SIEMENS火焰探测器 QRB1 B-C
Basic parameters
功能特点
Functional features

QRB1 B-C 火焰探测器

品牌:SIEMENS(西门子)(原LANDIS&GYR品牌)

产地:德国

颜色:暗红 加长

 

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.

主要参数
保护等级 IP40
当连接至LOA.../LAL...时,电缆长度 1.5m最大
连接电缆 2*0.75mm2,5.1mm直径
重量 20...35g
环境条件
运输环境 IEC 60 721-3-2
内部条件 class 2K2
温度范围 -20...+60oC
湿度 <95%
运行环境 IEC 60 721-3-3
内部条件 class 3K5
机械条件 class 3M2
温度范围 -20...+60oC
湿度 <95%
不得进水
应用机型

此型号主要应用于瑞典百通ST133机型内。