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Transformer Gas Analyzer with Laser Technology1
Analysis Instrument, Liquid Analyzer, Dissolved Gas Analyzer, Dissolved H2 Monitor
Haomai Electric Power Automation Co., Ltd.
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Product Description Laser-based Transformer Isolation Oil Dissolved Gas Online AnalyzerTransformer Oil Dissolved Gas Analysis and Moisture Monitor PASL-3000 is capable of measuring Hydrogen(H2), Carbon Monoxide(CO), Carbon Dioxide(CO2), Methane(CH4), Acetylene(C2H2), Ethane(C2H6), Ethylene(C2H4), moisture(H2O) etc. 8 types dissolved gases in transformer oil.Main FeaturesAdvanced technology. Semiconductor laser technology and photo-acoustic spectroscopy are innovatively used for measuring dissolved gas in transformer oil. PASL-3000 has strong anti-cross interference ability, fast measuring response, high measuring accuracy, good repeatability etc. features.All-components dissolved gas measurement and analysis. Adopt photo-acoustic spectroscopy to measure gas component contents of Hydrogen(H2), Carbon Monoxide(CO), Carbon Dioxide(CO2), Methane(CH4), Acetylene(C2H2), Ethane(C2H6), Ethylene(C2H4), moisture(H2O) etc. 8 types gases, also can be extended to measure component contents of Nitrogen(N2) and Oxygen(O2).No consumables and no maintenance. There is no need for personnel to operate the equipment. No carrier gas or recalibration is required during operation. The constant maintenance is not needed.Reliable degassing. The monitor has a built-in constant temperature vacuum degassing device, which can degassing efficiently and quickly, and no pollution to oil samples.Easy installation. Installation can be completed without power failure to reduce the economic loss of customers.Remote terminal display. The monitor supports MODBUS and IEC61850 protocol, which can provide remote terminal display, including equipment operation status, real-time measurement data, data column analysis graph, trend graph, report and warning prompt.Multiple data communication, remote centralized management. Advanced remote centralized management software can summarize and monitor the running status and test data of multiple monitors, and provide perfect trend analysis and diagnosis results. It supports RS485, Ethernet, GPRS, Optical Fiber etc. communication modes.Product ParametersPower SupplyAC220V/2kW or customized power supplyFault Gas TypeMinimum measuring limitMaximum measuring limitHumidity10～95% RH non-condensingH22 ppm5,000 ppmTemperatureenvironment temperature: -40oC～55oC(-10oC～55oC when starting)CO210 ppm50,000 ppmoil temperature:: 10oC～100oCCO2 ppm50,000 ppmEnclosureIP55CH40.5 ppm50,000 ppmDimension850(W)x800(D)x1700(H)mmC2H20.1 ppm50,000 ppmWeight<350kgC2H40.5 ppm50,000 ppmMeasuring AccuracyMinimum measuring limit or ±30% (whichever is greater)C2H60.5 ppm2,000 ppm H2O0～100%(RS) or given in ppm Technical PrinciplePhotoacoustic spectroscopy gas detection technology is a gas detection technology based on the photoacoustic effect, which is generated by gas molecules absorbing specific wavelengths of electromagnetic radiation (such as infrared light). If a gas is placed in a closed container, the temperature rise after the gas absorbs radiation will cause the gas pressure to increase. At this time, if pulse light is used to irradiate the gas, a sensitive microphone can detect pressure fluctuations with the same frequency as pulse light.To apply the photoacoustic effect to practical detection, it is first necessary to determine the specific infrared absorption spectrum of each gas; The second step is to determine the proportional relationship between the intensity of pressure waves generated by gas absorption energy and gas concentration. Therefore, by selecting an appropriate wavelength and combining it with the detection of pressure wave intensity, not only can the presence of a certain gas be verified, but its concentration can also be determined. Even qualitative and quantitative analysis can be performed on certain mixtures or compounds, which is the advantage of applying photoacoustic spectroscopy (PAS) technology.Comparison of photoacoustic spectroscopy techniques with different light sources
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