ABB AO2000 LS25 Laser analyzers

ABB AO2000 LS25 Laser analyzers

Core positioning and measurement principles

ABB AO2000 LS25 is a modular laser gas analyzer belonging to the AO2000 integrated analysis system. It needs to be operated in conjunction with the system and cannot be used alone. Its core relies on tunable diode laser absorption spectroscopy (TDLAS) technology, which achieves precise measurement based on the principle of infrared single line absorption spectroscopy:

Gas feature recognition: Each gas has a unique absorption line at a specific wavelength, and by accurately selecting the target absorption line, background gas cross interference can be avoided.

Signal detection and processing: Adopting an optical path design where the transmitter/receiver is directly installed, when the laser wavelength scans the target gas absorption line, the light intensity changes due to gas molecule absorption; At the same time, by using wavelength modulation technology (laser wavelength micro modulation), the detector signal is decomposed into harmonic components, and the second harmonic signal is finally extracted to calculate the concentration, which can offset the influence of linear changes (line widening effect).

Key technical parameters

Measurement object

CO, CO ₂, H ₂ O, NO, NO ₂, SO ₂, O ₂, CH ₄, etc

Support multiple component selection, up to 2 components can be tested simultaneously

Measurement accuracy

± 1% full scale

Realizing high precision based on laser spectroscopy technology and harmonic analysis

Response speed

<1 second

Can quickly track the dynamic changes in gas concentration

Operating environment

Temperature: -20~+50 ℃; Pressure: 1-10 bar abs

Adapt to complex industrial working conditions

Protection level

Transmitter/Receiver IP66

Dustproof and waterproof, suitable for Harsh industrial environment

Power supply specifications

110V-380V， Current range: 1A to 30A, power range: 5W to 130W

Wide voltage adaptation to meet power supply needs in different scenarios

Physical characteristics

Weight 3.6kg, 1-year warranty provided

Lightweight design, clear after-sales support

Equipment structure composition

The analyzer consists of three independent units, with clear division of labor and coordinated operation:

Transmitter unit with blowing function: integrated laser module, temperature stable diode laser, collimating optical lens group and main electronic equipment, responsible for laser emission and basic light intensity measurement.

Receiver unit with blowing function: including focusing lens, photodetector, and electronic equipment at the receiving end, which receives laser absorbed by gas and converts the optical signal into an electrical signal for subsequent processing.

Power supply unit: provides stable power supply for the transmitter and receiver, ensuring the continuous operation of the equipment.

Note: The blowing device can prevent dust accumulation in the optical window, significantly reducing maintenance frequency and cost.

Core application scenarios

With high precision and environmental adaptability, this device widely covers the needs of multiple industries:

Industrial process control: Real time monitoring of gas concentrations such as CO and CH4 during production in the chemical, petrochemical, and pharmaceutical industries to ensure reaction efficiency and product quality; Analyze impurity gases in alloys and optimize smelting processes in the metallurgical industry.

Environmental monitoring: Monitor pollutants such as SO ₂ and NO ₓ at chimney and pipeline discharge outlets, or detect harmful gases in the atmosphere, water, and soil to meet environmental regulations.

Energy and Combustion Management: Monitoring the combustion process of boilers, furnaces, and other equipment (such as O ₂, CO concentration) to optimize combustion efficiency, reduce emissions, and prevent equipment damage.

Special field extensions: ingredient analysis in the food and beverage industry, gas detection in mining geological exploration, sample analysis in the field of life sciences, etc.

Core advantages and product features

Excellent measurement performance: TDLAS technology combined with wavelength modulation achieves high precision and fast response, and is insensitive to linear changes, with strong data reliability.

Strong environmental adaptability: IP66 protection+wide temperature and pressure operating range, optical window withstand voltage up to 5 bar (absolute pressure), can cope with harsh working conditions such as dust and humidity.

Controllable operation and maintenance costs: modular design facilitates combination and upgrading, and the blowing function reduces optical component pollution and lowers maintenance frequency; Simultaneously supporting remote module connection and centralized operation, improving management efficiency.

Data security and reliability: equipped with central backup function to ensure the integrity of measurement data; Support process segmentation and status list function to improve monitoring accuracy and control efficiency.