20/20SH 氢气火焰探测器
产 地:美国
品 牌:Spectrex
产品简介:
The SharpEye Triple IR (IR3) Hydrogen Flame Optical Detector 20/20SH is a self-contained, triple-spectrum flame detector specifically designed for the detection of hydrogen flames. The optical sensors and filters have been carefully selected to ensure the greatest degree of spectral matching to the radiant energy emitted by the hydrogen fire and the lowest degree of matching to non-fire stimuli.
The well-known Triple Infrared Spectrum design incorporated in the various SharpEye Optical Flame Detectors has been further developed in this detector to include sensors with special filters with spectral bands typical to hydrogen flame emission main combustion product - water vapor (H2O) in the 1-4 microns band and reference filters to discriminate background radiation.
This highly advanced detector uses programmable algorithms, which check the ratio and correlation of data, received by the three sensors. The microprocessor design allows for unique field programmability, making the 20/20SH highly immune to false alarms.
The detector has applications in a wide range of industrial and commercial facilities that use hydrogen fuel cells, hydrogen gas generators and hydroxyl-fuels. As the hydrogen community moves towards commercialization, the new emerging use of hydrogen for automotive transportation requires special safety measures for the unique refilling stations, storage tanks and special hydrogen fuel cells handling facilities.
* Note: The hydrogen flame detector is NOT designed to detect hydrocarbons fires.
主要特点:
• 三波段光谱设计
• 灵敏度可调
• 用户可编程功能
• 高效的误报警免疫能力
• 自动和手动内置测试(BIT)
• 标准的四线制连接
• 4-20mA电流(3-4线制)配置
• RS-485接口
• 平均无故障时间最低可达100000小时
• 3年质保
• FM,ATEX认证
应用:
氢燃料电池产业-生产,存储和运输
氢气汽车加气站
电池充电区域
化工行业-生产,存储,运输
停车场-氢气燃料汽车的特殊封闭场所
炼油厂-加氢过程
航天工业-推进剂的存储,运输
固定式燃料电池系统在设备外壳内
技术参数:
一般规格:
光谱响应
三个红外波段
检测范围(最高灵敏度设置,8英寸(0.2米)宽,20英寸(0.5米)高的火焰)
氢气 100英尺(305米)
酒精(乙醇) 60英尺(18米)
甲醇 26英尺(8米)
* 注:碳氢类火焰不能在任何范围内进行检测。
响应时间
典型5秒
可调整延时时间
最高30秒(最高20秒,遵循FM的要求)
灵敏度等级
4档灵敏度等级,8英寸(0.2米)宽,20英寸(0.5米)高的氢气火焰:
25英尺(7.5米),50英尺(15米),75英尺(22米)和100英尺(30米)
视角
90°水平,90°垂直
温度范围:
工作:-40℉(-40℃)至160℉(70℃)
储藏:-65℉(-55℃)至185℉(85℃)
湿度:
最高95%
电气规格:
供电
操作电压:18-32VDC
功耗
最大.在待机时100mA
最大.在报警时150mA
电气连接
2×3/4"-14NPT管螺纹或2×M25×1.5mm ISO
电气输入保护
根据 MIL-STD-1275B
电磁兼容性
EMI/ RFI保护,CE标志
输出:
继电器
报警 - 2A@30VDC,0.5A@250VAC
故障和备用 - 5A@30VDC和250VAC
故障继电器常闭,其它常开
4-20mA
电流配置
故障: 0+0.5mA
BIT故障: 2mA±10%
正常: 5mA±10%
预报警: 10mA±5%
报警: 15mA±5%
回路阻抗: 100-600欧姆
RS-485
该探测器配备一个RS-485通信链接,可用于安装在电脑控制器上。
机械规格:
尺寸
4.7"x5.2"x5.2" (100x132x132 mm)
重量
铝合金: 8.1磅(3.7Kg)
316L不锈钢 14.3磅(6.5Kg)
附
铝合金,重型不含铜(小于1%),红色环氧树脂
可选-电抛光的316L不锈钢
环境标准
在湿度,盐和雾,振动,机械冲击,高温,低温环境中符合MIL-STD-810C
防水防尘
IP66和IP67 符合En60529
NEMA 250 6P
危险区域认证:
ATEX
EX II 2 G,EExd IIB + H2 T5(70℃),T4(85℃)
EX II 2 G,EExde IIB + H2 T5(70℃)
FM
Class I Div. 1, Groups B, C & D
Class II Div. 1, Groups E, F & G
配件:
火焰模拟器
20/20-313
安装支架
20/20-003(316L不锈钢)
PDA套装
799820,799810