AO2000 LS25 is a laser gas analyzer of the Advance Optima series by ABB, which is based on the tunable diode laser absorption spectroscopy (TDLAS) technology. The following is a detailed introduction to it:
- Technical principle: Utilize the TDLAS technology to determine the gas composition and concentration by measuring the absorption of infrared light by gas molecules.
- Functional features:
- High-precision measurement: It can accurately measure a variety of gas components with a precision of up to ±2ppm, meeting the requirements for complex gas analysis.
- Fast response: The response time is less than 1 second, enabling real-time monitoring of gas concentration changes and providing support for rapid adjustment and control.
- Wide measurement range: It can measure both low-concentration and high-concentration gases, adapting to the detection of gas concentrations in different scenarios.
- Automatic calibration: It has an automatic calibration function, simplifying the calibration process. A large number of automatic calibrations can be achieved through air calibration or an integrated calibration chamber without the need for standard gas cylinders, ensuring the accuracy and stability of the measurement.
- Multiple communication interfaces: It supports interfaces such as RS – 232, Ethernet TCP/IP, OPC server, PROFIBUS, and Modbus, facilitating connection to other devices and data transmission.
- Good protection performance: The protection level is IP65 or higher, enabling it to adapt to harsh industrial environments and ensuring long-term stable operation.
- Physical characteristics: The size is approximately 800mm×600mm×400mm, the weight is about 100kg, the power supply requirements are AC220V or DC24V, and the output signal is a 4 – 20mA DC analog output signal.
- Application fields: It is widely used in fields such as process control, environmental monitoring, the energy industry, and food safety. In the power industry, it can be used for flue gas emission monitoring and boiler combustion optimization; in the petrochemical industry, it is used for process monitoring and leakage detection; in the field of environmental protection, it is used for air pollution monitoring; in the food industry, it is used for food safety monitoring, etc.
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