FIREYE 85UVF1-1QDK3 火焰检测器

【功能描述】

Fireye Phoenix type 85UVF型火焰扫描器是基于微处理器的设备

状态火焰检测传感器。凤凰火焰扫描器包含一个内部火焰继电器，自动设置开/关阈值，从而消除了远程火焰放大器或火焰的需要

开关。

Phoenix扫描仪在很宽的频率范围内检测目标火焰中发生的调制(火焰“闪烁”)的幅度。在扫描仪设置过程中，目标的振幅

火焰扫描器自动存储火焰，以及最佳开/关标准。自动选择合适的传感器增益。Phoenix扫描仪集成了完全自我诊断和电子自我检查功能。

菲尼克斯85UVF/IRF有多种型号，根据光谱范围、危险区域认证等级和机构批准进行区分。请参阅第3页的表1，了解型号与产品认证的概述。

利用固体状态火焰探测传感器。凤凰火焰扫描仪内置火焰继电器，自动设置开/关阈值，从而消除了对远程火焰放大器或火焰的需要开关。

菲尼克斯85UVF/IRF火焰扫描仪由24伏直流电供电。电气连接通过一个8针电气快速断开装置(QD)实现。火焰强度的模拟4至20mA输出是标准的。

注:配有电气快速断开装置的菲尼克斯QD型号已经取代了原来的型号

配有10英尺长的系留电缆。QD型号(带59-546-x电缆)适用于

I级2区危险区域，因此不需要“EX”型号。“CEX”

型号保持不变，用于Ex II 2 G/D危险区域

一个严重的缺点是几乎所有的辐射都能被水吸收水蒸汽；这对于4.3到4.4微米范围内的红外火焰探测特别有效。从大约。3.5微米或更高，水或冰的吸收率实际上是100%。这使得用于户外应用的红外传感器对火灾非常不敏感。最大的问题是我们的无知；一些红外探测器具有(自动)探测器窗口自测，但是这种自测仅监测探测器窗口上水或冰的出现。

盐膜也是有害的，因为盐会吸水。然而，水蒸气、雾或小雨也会使传感器几乎看不见，而用户却不知道。其原因类似于消防员在接近炽热的火时所做的:他通过水蒸气屏障来保护自己免受巨大的红外热辐射。水蒸气、雾或小雨的存在也会“保护”显示器，使其看不到火灾。然而，可见光将透过水蒸气屏障，这可以通过人仍然可以透过水蒸气屏障看到火焰的事实容易地看出。

红外探测器的通常响应时间为3-5秒。

FIREYE 85UVF1-1QDK3 火焰检测器

The Fireye Phoenix type 85UVF flame scanner is a microprocessor-based device

Status flame detection sensor. The Phoenix Flame scanner contains an internal flame relay that automatically sets on/off thresholds, eliminating the need for a remote flame amplifier or flame

Switch.

The Phoenix scanner detects the magnitude of the modulation (flame "flicker") occurring in the target flame over a wide frequency range. The amplitude of the target during scanner setup

The flame scanner automatically stores the flame, as well as the best on/off standard. Automatically select the appropriate sensor gain. The Phoenix scanner integrates full self-diagnosis and electronic self-examination.

The Phoenix 85UVF/IRF is available in a variety of models, differentiated by spectral range, hazardous area certification level, and agency approval. Please refer to Table 1 on page 3 for an overview of model and product certifications.

Using solid state flame detection sensors. The Phoenix Flame scanner has a built-in flame relay that automatically sets on/off thresholds, eliminating the need for a remote flame amplifier or flame switch.

The Phoenix 85UVF/IRF Flame scanner is powered by 24 volts direct current. The electrical connection is achieved through an 8-pin electrical quick disconnect device (QD). Simulation of flame intensity 4 to 20mA output is standard.

Note: The Phoenix QD model with electrical quick disconnect device has replaced the original model

Equipped with 10 feet of tethered cable. The QD model (with 59-546-x cable) is suitable for

Class I Zone 2 Hazardous area, so the "EX" type is not required. “CEX”

The model remains the same for Ex II 2 G/D hazardous areas

One serious drawback is that almost all radiation can be absorbed by water vapor; This is particularly effective for infrared flame detection in the 4.3 to 4.4 micron range. From about. At 3.5 microns or higher, the absorption rate of water or ice is actually 100%. This makes infrared sensors for outdoor applications very insensitive to fire. The biggest problem is our ignorance; Some infrared detectors have an (automatic) detector window self-test, but this self-test only monitors the presence of water or ice on the detector window.

Salt film is also harmful because salt absorbs water. However, water vapor, fog, or light rain can also make the sensor nearly invisible without the user knowing it. The reason for this is similar to what a fireman does when approaching a hot fire: he shields himself from the enormous infrared thermal radiation by passing a water vapor barrier. The presence of water vapor, fog, or light rain will also "protect" the display from seeing the fire. However, visible light will pass through the water vapor barrier, which can be easily seen by the fact that one can still see the flame through the water vapor barrier.

The typical response time of infrared detectors is 3-5 seconds.

FIREYE 85UVF1-1QDK3 火焰检测器

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