产品类型介绍 Module Type Introduction
AO2000 LS25 采用对射式发射 + 接收分体结构，基于 TDLAS 激光吸收光谱原理，无需取样预处理，直接安装在管道、烟道两端测量光路内气体平均浓度，通过精准锁定单一气体特征吸收峰，规避其他杂质气体交叉干扰，是电厂脱硝氨逃逸、工业尾气、高温工艺管道连续监测专用光学分析设备，可独立使用或接入 AO2000 中央分析单元组网。
AO2000 LS25 adopts split transmitter-receiver cross-beam structure based on TDLAS laser absorption spectroscopy principle. No sampling pretreatment required, it is directly installed on both ends of pipes and flues to measure average gas concentration in optical path. It accurately locks characteristic absorption peaks of single gas to avoid cross interference of impurity gases. It is special optical analysis equipment for continuous monitoring of power plant ammonia slip, industrial exhaust and high-temperature process pipelines, which can be used independently or networked with AO2000 central analysis unit.
核心功能 Core Functions
原位直测无取样：无需伴热管线、过滤预处理，高温高尘管道直接安装，大幅降低运维成本
In-situ direct measurement without sampling: No heat tracing pipelines or filtration pretreatment, direct installation on high-temperature and dusty pipelines to greatly reduce maintenance cost
多气体精准检测：支持 NH3、HCl、HF、CO、CO2、O2、H2O、NO、H2S 等工业气体，量程覆盖 ppm 至百分比级
Multi-gas accurate detection: Support industrial gases including NH3, HCl, HF, CO, CO2, O2, H2O, NO, H2S, measuring range from ppm to volume percentage level
抗交叉干扰设计：激光波长精准匹配目标气体吸收谱线，水汽、粉尘、杂质气体无测量干扰
Anti cross-interference design: Laser wavelength precisely matches target gas absorption lines, no measurement interference from water vapor, dust and impurity gases
吹扫自清洁系统：自带吹扫气接口，持续清洁光学视窗，防止粉尘附着造成测量漂移
Purge self-cleaning system: Built-in purge gas interface to continuously clean optical windows and avoid measurement drift caused by dust adhesion
本地显示与故障诊断：前置 LCD 屏幕实时显示浓度、光强、设备运行状态，自动识别光路遮挡、激光器故障、通讯异常并输出告警
Local display & self-diagnosis: Front LCD screen real-time displays concentration, light intensity and equipment status, automatically identify light path blockage, laser failure and communication abnormality with alarm output
多类型信号输出：4-20mA 模拟量、RS232、以太网 TCP/IP 通讯，无缝对接 DCS、SCADA、环保在线监测平台
Multi-type signal output: 4-20mA analog, RS232, Ethernet TCP/IP communication, seamlessly connect with DCS, SCADA and environmental online monitoring platform
免标气简易校准：支持零点自动校正，无需频繁标准气体标定，缩短停机调试时长
Simple calibration without standard gas: Support automatic zero calibration, no frequent standard gas calibration required to shorten shutdown debugging time
电气参数 Electrical Specifications
供电输入：85~264VAC 50/60Hz，亦可直供 24VDC
Power Input: 85~264VAC 50/60Hz, direct 24VDC supply optional
输出电源：24VDC/5A 供给接收端单元
Output Power: 24VDC/5A for receiver unit
模拟输出：隔离 4~20mA，最大负载 600Ω
Analog Output: Isolated 4~20mA, max load 600Ω
通讯接口：RS232、可选以太网模块
Communication Ports: RS232, optional Ethernet module
硬件保护：过压、短路、激光过温、光路异常闭锁保护
Hardware Protection: Overvoltage, short circuit, laser over-temperature, light path fault interlock protection
整机功耗：≤35W
Total Power Consumption: ≤35W
机械与环境参数 Mechanical & Environmental Data
结构组成：激光发射单元、光电接收单元、供电电源单元三部分分体式安装
Structure Composition: Split installation of laser transmitter unit, photoelectric receiver unit and power supply unit
防护等级：发射 / 接收外壳 IP66，防水防尘
Protection Class: IP66 enclosure for transmitter & receiver, waterproof and dustproof
光学窗口耐压：标准 5bar 绝压，高压工况可选耐压视窗
Optical Window Pressure Resistance: Standard 5bar absolute pressure, high-pressure resistant window optional
工作温度：-20℃ ~ +55℃
Operating Temperature: -20℃ ~ +55℃
存储温度：-40℃ ~ +70℃
Storage Temperature: -40℃ ~ +70℃
安装法兰：DN50 标准工艺法兰，光路对准简易可调
Mounting Flange: DN50 standard process flange, easy adjustable optical alignment
认证资质：ATEX、IECEx、CSA 防爆认证、CE、环保 CEMS 认证
Certifications: ATEX, IECEx, CSA hazardous area approval, CE, environmental CEMS certification
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