ABB AO2000 LS25

ABB LS25,ABB AO2000-LS25,is a high-precision laser analyzer.The following is a detailed introduction to the product:

I.Product Overview

The ABB AO2000-LS25 laser analyzer uses the most advanced electronic and laser technology and is an optical instrument based on tunable diode laser absorption spectroscopy(TDLAS).It is mainly used for continuous on-site monitoring of gases in chimneys,pipelines,process rooms or similar places,and has the characteristics of high precision,high stability and high reliability.

ABB AO2000 LS25

II.Measurement principle

The analyzer uses a transmitter/receiver configuration(installed in diametrically opposite positions)to measure the average gas concentration along the line of sight path.Its measurement principle is infrared single-line absorption spectroscopy,that is,each gas has a different absorption line at a specific wavelength.The analyzer scans the selected gas absorption line to be measured by the laser wavelength,and the detected light intensity changes with the change of the laser wavelength.In the optical path between the transmitter and the receiver,the target gas molecules absorb the laser wavelength.In order to improve the sensitivity,the analyzer uses wavelength modulation technology to slightly modulate the laser wavelength when scanning the absorption line.The detector signal is spectrally decomposed into harmonic frequency components of the laser modulation frequency,where the second harmonic of the signal is used to measure the concentration of the absorbing gas.

III.Product composition

The ABB AO2000-LS25 laser analyzer consists of three independent units:a transmitter unit with purification function,a receiver unit with purification function,and a power supply unit.The transmitter unit includes a laser module,a temperature-stabilized diode laser,a collimating optical lens group,and main electronic equipment,which are installed in a coated aluminum box.The receiver unit contains a focusing lens,a photodetector,and receiver electronics,which are installed in a coated aluminum box.The environmental protection level of both the transmitter and the receiver is IP66,and the standard optical window can withstand a pressure of up to 5 bar(absolute pressure).

ABB AO2000 LS25

IV.Application field

The ABB AO2000-LS25 laser analyzer is widely used in industrial process control,environmental monitoring,mineral exploration,metal alloy analysis,food and beverage production,and life sciences.It supports real-time analysis and remote sensing monitoring of multiple chemical components,providing efficient and accurate solutions for various application scenarios.

5.Installation and Maintenance

The installation and maintenance of this analyzer requires care and preparation,otherwise the instrument may be damaged and the warranty may be voided.During installation,ensure that the transmitter and receiver are properly assembled with the included purge and calibration device and mounted to the appropriate process flange.During maintenance,components such as optical windows and cable connectors should be cleaned regularly to ensure the normal operation and accuracy of the analyzer.

In summary,the ABB AO2000-LS25 laser analyzer is a high-precision,high-stability and high-reliability gas monitoring instrument that is widely used in many fields.It has advanced measurement principles,perfect product composition,wide application fields,and requires professional installation and maintenance.

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