供应QRA10.C西门子电眼

 
 
产品说明： 
QRA10.C系列火焰探测器-电眼 
**：SIEMENS（西门子）

产地：德国
 
 产品介绍 
The flame detectors are used for the supervision of gas flames, yellow- or blue-burning oil flames and for ignition spark proving.

With this type of flame supervision, the UV radiation emitted by gas or oil flames is used to generate the flame **. 

The radiation detector consists of a UV-sensitive cell with 2 electrodes, which ignite when illuminated with radiation in the 190...270 nm range of the spectrum, thereby triggering a current in the flame detector circuit. 

The UV cell does not respond to glowing firebrick in the combustion chamber, daylight or light from the boiler room illumination. 

Die-cast aluminium housing with a 1 in. mounting coupling (D) and a connection facility for cooling air. The housing of this detector has a bayonet fitting which allows it to be secured either directly to the mounting coupling or to the glass holder AGG06. The mounting coupling can be screwed to a viewing tube or to the ball head AGG07. The Pg cable gland can be removed and replaced, if some other detector cable shall be used. 
 
 
 技术参数 
主要参数 UV单元平均寿命 10000小时（在50oC） 
炉膛背压 
- QRA10... 50mbar较大 
- QRA10...+AGG03或AGG02 500mbar较大 
保护等级 IP54 
重量 
- AGG01 10g 
- AGG02 10g 
- AGG03 10g 
- AGG05 170g 
- AGG06 160g 
- AGG07 1330g 
- AGG16.C 650g 
- QRA10... 740g 
- QRA10...+AGG03 750g 
 
 
环境条件 运输环境 IEC 60 721-3-2 
内部条件 class 2K2 
机械条件 class 2M2 
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