Spectral detection and analysis tech $∞↑niques and products

Laser active spectrum technology is represen£<✘ted by laser absorption≠✘± spectrum, photoacoustic spectrum, Raman sβε¥pectrum, LIF (laser fluorescence spectrum), L←∏™&IBS (laser induced breakdown spectrum), λ"and hyperspectral analysis technology is rep☆☆≠resented by FTIR (Fourier infrared spectrome&>ter), FPI interferometer s>σ​→pectrum, grating spectrum and spectral chip. ✔•★Hyperspectral technology allows us to go beyond  ©₽ the limits of the visual (RGB) color spa≈×™ ce and observe in detail the spectral"≤÷∑ characteristics of things at d±∏↔ifferent wavelengths, thus freeing upπ♥¥ countless opportunities to distinguish and iden↑σtify materials or detect biological processes and¶☆₩β conditions in humans or the environment.Mast®£er the laser spectrum and infrared'γ÷ hyperspectral analysis of two core technologi©£es of material analysis, and continue to de∏≠$velop sensors, alarms, onliπ‍×ne analyzers and other portabl πe analyzers and other product↕π forms, serving in the fδγield of large security, emerg'©'ency and environmental protection.¥©¶
 

Laser absorption spectroscopy technology and pr¥₩₩φoducts

[Low and medium precision point laser gas s∑→δ£ensor]

Function description

Represented by laser met‍♣hane, various types of low and medium precision p‍♥÷¥oint laser gas sensors are widely used in coaβγl mine, oil and gas, chemical industry, u‍γ¶∑rban gas, commercial✘€ and household gas alarms and other scenari‌♦os, especially suitable for dealing wi↑ε↑th long-term high temperatu ♦σre and humidity, water vapor, organic volat≈©∑ile matter interference and other hars✘₽£↕h scenes

Characteristic parameter

For methane, ammonia, carbon £$© monoxide and other conventional gases, with highδ∞ reliability, long life, no ♥α'calibration and no maintenance, fast•≠σ response, full range, no poisoni≈"♠≥ng, free from other gas inte★λ♠rference and other advantage→ s. For methane, the range is 0-100%VOL, the♠× indicating error is about ±0.1%VOL, and the resp↓<onse speed is less thanγ← 15s.

[Telemetering laser gas sensor]

Function description

Telemetering laser gas sensor detπ♠₩✔ects trace gas leakage in£Ω∞σ long distance open space, which is used i← n portable inspection instrument, fixed wire♣∑ harness monitor, cloud table telemetering ins↑₹trument and other pro ∑ ducts. Remote and non-contact tra"÷×ce leakage detection can be realized dur↑≈'±ing manual inspection, an←≥βd wide-area full coverag★∑¶↑e and efficient monitoring can be realized when f♠Ω≠ixed or installed on mob✘✘↔ile platform.

Characteristic parameter

It is mainly methane, and takes into account ≈£$propane, carbon monoxide, ammon∑€ ≤ia, hydrogen sulfide and other ₽©conventional toxic and harmful gases. Th↓‌♦©e detection distance of the coverage range iβ≤←s 0.1m ~ 200m, and the res →•εponse speed is as fast as 0.05s. Comα' λpared with the traditional sensor, π←$the detection sensitivity is high, and it i∑←'>s easier to find the early trace leakage.  £↑∏

[High precision laserφβ © gas analyzer]

Function description λ 

Based on the combination of MPC l★♣♦ong-range built-in gas c≠↑♠hamber, external gas chamber, p£↑<±hotoacoustic gas pool, mid-infrared laser and mu$α ←lti-wavelength high-precision trace gas anγ‌alysis technology, pumping or ‍φnatural diffuse samplinש∑g mode, it is suitable for contin✔β>±uous on-line multi-component gas state analys©£is in many key situations such as coal mine, oi'♦<•l and gas, electric power and≠ ★ so on.

Characteristic parameter

For methane, ethylene, aε→ πcetylene, ethane, propane, carbon monoxide, ÷‍"∑carbon dioxide, oxygen, hydrogen sul©​fide, ammonia and other typi≥↔αcal gases, compared with gas chromatography ‍<​and other methods, has no consumables, ®♣φ↔no maintenance, more cost-effective a↓&dvantages.

[Fixed open circuit gas sensor]

Function descripti÷® on

The fixed open-circuit s£ §₹ensor measures the gas concent←♠§ration in the open space, which is divided into f≤±₩♥ixed beam beam sensor (single optic'♦×al path) and fixed beam reflection sensor₹§ (double optical path). In comb​←λ∞ination with mid-infrared ICL and QCL γ♦‌₩laser technology, trace level analysis accurac↔λy can be obtained. It can ™‌φ☆be used in oil and gas, ch×♣↕emical industry, greenhoδ§use gas monitoring, po&♦↑ llution source emiss∏£ion monitoring and other occasions.

Characteristic parameter

For open space monitoring of me∏↑thane, carbon dioxide, a  ♦mmonia, hydrogen sulfide‌÷ and other typical gases, the moni§φΩtoring sensitivity can reach the l♦Ω ←evel of ppb (for methane and ammonia). Typical>∑ open-circuit wire harness≥☆< gas sensor operating di≤✔$∞stance of 5m ~ 100m.

[Cloud table telemet§♣βry analyzer for safety monitoring]

Function description

The laser methane telemetry, visible α ✘light and infrared therm✔♦¥​al imager can realize all-round three-dimen✘£sional security inspection✘∞↕ coverage of oil and gas statio≠γ¥n through the cloud head in a combin ≈±ation of dual light and three light, ±§÷$sensing threats such as trace gas leakage, abn©←©≠ormal temperature and early fireworks. §σ™₹

Characteristic parameter

Compared with the conventional co♣→£mbined solution of separate ♣★€βtemperature, gas, flame and other se∑δ×curity sensors, the cloud-base₽>€☆d telemetry analyzer can be used as a one-s←✘γπtop security monitoring solution for ±'​the station, featurin φσεg all-day, wide-area full☆εε coverage, full factor coverage, autonomous an®'☆alysis and unattended, covering a large  ♣✘station area with a max∏♦<imum radius of 200m.

Fluorescence spectroscopy techniques£₹ and products

[LIF offshore oil spill monitor]

Function descriptio"εn

Oil spill monitoring LIF laser fluorescence ' ®£spectrometer, UV laser irradiates the oil film ↑Ωon the sea surface, the molecules absorb the↑  radiation energy of specific wavele✔  ngth, the spectrometer detects the transiti₹'★on from excited state t β×∞o ground state and emits fluorescence, and inveβ✘‍÷rts the concentration of oil ≥☆±£substances through spectral absorption intensitγφ←≤y. Product forms are divided into fixed telem¶✔σ♦etry type and airborne typeσ•©.

Characteristic parameteΩ©r

LIF laser fluorescence spectrometer has a hγ★©igh absolute sensitivi↕$ty, the lowest can detect the ÷$mass fraction of 10-6 ~ ™↕10-9 orders of magnitude, high selectivity, wi₹>§βthout consumables direct rapid measurem↑™←§ent.

Infrared hyperspectral mateσπ★rial analysis techniques an←δ↔♦d products

[In situ Fourier analyzer]

Function description

Fourier gas analyzer for waste incineration pφ®¶×ower plant, ultra low emission monitoring, solid≥∏' waste treatment plant, ship exhaust≈ & emissions, petroleum metal®&lurgy and petrochemical industr↓"×αy on-site online gas anε✔alysis products. At the sam$®★ e time, the emission of SO2, NOx×‌β₽, CH4, HCl, HF, CO, CO2, H2O, O2 and ot∏↑₽&her components of the gas analysis.

Characteristic parameter

Flexible expansion •€ of other components ε↓according to user needs, low deteφπction limit, large dynamic range, to me§ ≤et the requirements of ultra-low emiss∏≤ion monitoring; Fast measurement respon‍♥ γse, high accuracy, strong anti-int‌™£♥erference, strong stability; The whole processγ§λΩ of high temperature wit©♦♥h heat, no water vapor condensation, avoid the♥∑± attachment of sensitive gas com₩β ≈ponents.

[FTIR hyperspectral multicompon£σ$‍ent gas telemetry analyzer]

Function descriptio ₽<n

The FTIR Hyperspectral Multicφεomponent Gas telemetry Analyzer•>>$ is a new, highly reliabσ‍'le and durable remote ga≠&∑s telemetry instrument t×εhat automatically detects, identif"₽≠>ies and monitors typical volatile organic comγ>pounds (VOC), industrial pollution gπ"ases (sulfides, carb'®&on oxides, nitrogen ox©σides) and other common toxic and h★πazardous gases. At most, it can realize ac×↕§curate identification and classification of$∑ hundreds of gases and quantitative inver∞♦×φsion analysis of gas integral concentration.

Characteristic parameter

Automatic operation, passive measuremen€≠÷±t, no active light source coordinat £ion, the longest detection distance<←® up to 3km. Spectral data and double ©✘light video overlay display,₽£γ realize dynamic traceability. High sensitΩ‌∞ivity, remote sensor₩¶< detection limit to the low ppm range. Fas∏$‍t response speed, second level response real-time↓★±≥ analysis, data refresh rate up to 10Hz. Contin™↓♥uous on-line operation, the core detector ♣↑×truly supports long life appl∏γ<ications.

Raman spectroscopy techni β§ques and products

[Portable Raman spectrometer]

Function descriptiσ✘€αon

Raman spectroscopy is based on the Raman scatσ★tering effect, which exists in all molecu∏‍‍les. A single laser source can si∏₽σmultaneously detect all components in the sample,​₽δ including homonuclear dα₩β∞iatomic molecules (H2, N2, e♣π≥"tc.), which are difficult to σ↑₹★be detected by mid-infr∞★☆×ared fingerprint spectroscopy, and has t₽±☆&he application convenience of ≠∑≥requiring fewer samples, which is suitable π®for specific application scenaγ↑≠rios. Raman spectroscopy has proven its ad φ←vantages in online gas an↔§∑alysis, natural gas caloriλ​fic value measurement, and has great pote§φntial in wearable physiological indicators monito×♥∑γring sensors such as non-i₽∏nvasive blood glucose measurement.

Characteristic parameter

Although Raman spectroscopy i‍×β$s not optimal in terms of sensitiσγ₩vity, it has a unique advantage in detec☆£‍ting gas more compre®' →hensively. Compared with FTIR mid-infrared<δσ≠ spectroscopy, Raman spectrometers areλ<✔ free from interference of wate₽♦r and carbon dioxide gas. Rama₩∑∞n spectrometers can ≥δdeal with homonuclear diatomic molec₹♠<ules such as hydrogen and nitrogeβ≥εn which are difficult₽♣≈ to detect by TDLAS laser spectroscopy. This resu ♣₹σlts in the applicati♠‍↔±on of Raman spectrometers in some compreh↔→≤ensive multicomponent ga ¶s detection.

Other spectral technology products

[Typical full spectrum analysis modu∞§Ωle]

Function description

Due to the characteristics of simple <ε structure, small size, modularity and flexibil≤×ity, the UV-Visible-near€✔‍↕-infrared band full spectrum spectrome↕•₹∑ter is widely used in food detection, industriφσ☆'al detection, environmental monitoring, biome♥¥dicine, smart home appliances and so on.↔< The miniature full spectrλ♠um fiber spectrometer and the new chip full spectΩ♣rum spectrometer represent the future direc∑α$"tion. Different from most measurement mo ¥≤lecular spectrometers, LIBS (laser induced br←•♣‍eakdown spectroscopy) is atomic spectroscop‌÷y to achieve simultaneous detection of mult> iple elements, and has adva‍>δntages in alloy analysis,α♠ ore, drug analysis, etc., and the combination o  f LIBS spectroscopy + Raman spectroscopy, ≥↑®$atomic spectroscopy and molecular spectros​←§φcopy combined material analysis spectro☆∑meter will be a new product with gβ≥≈>reat potential.

Characteristic parameter

With the development of mic§£¶ro or chip spectrometers, the overall cost i§α"s further reduced, sδφ↔o that spectral analysis technology will be₩& fully integrated into the field of life and e ©nvironmental monitor™×ing, and even embedded in mobile phones. Taking αβminiature UV-visible full-spectrum spectr§$ometer as an example, smaller volume a₩↓nd lower power consumption make ♦™←¶it possible to self-powered wate↓€♣ r quality monitoring inβ​strument in the field. §§<On behalf of this, various low-Ω&¥$power and wireless Internet ≤>←of things spectral sensors are increasingly wi∑☆§'dely used.

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