I. Core Basic Information
ABB AO2020-UVLH-7673 Ultraviolet Process Photometer Gas Analyzer is a modular industrial-grade gas analysis device launched by ABB. It belongs to the AO2020 series and supports flexible module combination configuration, suitable for gas monitoring requirements in various industrial scenarios.
Detailed Technical Parameters
Analysis Object: Capable of measuring CO, NOₓ, SO₂, O₂, CO₂, and optional special gas components such as HF and H₂S.
Accuracy and Error: The overall accuracy is ≤ ±1% of full scale, the linear error can reach ±0.5% FS, and the measurement drift is controlled within ±1% FS per week.
Response and Range: Response time < 3 seconds, supports automatic multi-range switching, and the range can be customized according to the actual application scenario.
Power Supply and Power Consumption: Supports dual power supply modes of 220V AC / 24V DC, single infrared channel power consumption is approximately 40VA, and dual channels are approximately 70VA.
Output Interfaces: Equipped with 4-20mA, RS485, Ethernet, Modbus TCP/IP and other communication interfaces, suitable for the connection requirements of industrial control systems.
Overall Weight: Single infrared channel version is approximately 15kg, and the dual-channel version is approximately 21kg.
Product Usage
This equipment is mainly used for real-time monitoring of gas components during industrial production processes. Typical application scenarios include:
In chemical synthesis processes, precisely control the gas ratio of the incoming gas to enhance production efficiency, such as monitoring the hydrogen-ammonia ratio in ammonia synthesis scenarios.
Continuous monitoring of industrial flue gas emissions (CEMS), real-time monitoring of pollutant emission concentrations in flue gas to meet environmental protection compliance requirements.
Optimization of combustion conditions for various industrial furnaces and combustion devices, adjusting the air-fuel ratio by monitoring parameters such as O₂ and CO to reduce energy consumption.
Configuration Description
Modular Structure: Adopting a 19-inch standard chassis design, it can be optionally equipped with or without a display control unit, allowing flexible combination of power modules, I/O interface modules, and analysis modules.
Gas Path Design: Equipped with a pressure-balanced sampling system, different gas connection methods and installation forms can be customized to adapt to complex on-site conditions.
System Expansion: Supports single-box single-module operation, and can be expanded into a distributed analysis system with multiple boxes and multiple analysis modules through system bus wiring to meet the needs of centralized monitoring at multiple measurement points.
Preheating and Calibration: Standard preheating time is 30 minutes. After 2 hours, it can reach the highest measurement accuracy. After installation, on-site calibration can be completed using zero-point gas and range gas to ensure measurement accuracy.
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