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MEXA-ONE-XL-NX

Laser Spectroscopic Motor Exhaust Gas Analyzer

The MEXA-ONE-XL-NX is an analyzer for the direct, simultaneous real-time measurement of the four relevant nitrogen-containing exhaust gas components NO, NO2, N2O and NH3.

À¶¾¨ÌåÓýÖ±²¥'s innovative infrared gas analysis technology, IRLAMâ„¢ (Infrared Laser Absorption Modulation), enables low-noise, high-precision measurement of four nitrogen compound gases (NO, NO2, N2O, NH3) in the low concentration range.

Low interference, low noise, high sensitivity and wide range

  • High-precision, wide-range measurement of nitrogen oxides
  • For the development of engine and aftertreatment systems and the reduction of NH3 emissions
  • High accuracy measurement with À¶¾¨ÌåÓýÖ±²¥'s innovative infrared gas measurement method "IRLAMâ„¢"


*IRLAM is a registered trademark or trademark of À¶¾¨ÌåÓýÖ±²¥, Ltd.

Click here for more information about IRLAM

Applications

Research and development of catalysts for low-temperature/high-load operation to improve performance.

Other Applications

  • R&D on internal combustion of next-generation fuels (CNG, e-fuel, biofuels, NH3 co-combustion, etc.)
  • R&D of the next emission regulations EURO7/VII, China 7, etc. (N2O, NH3)

Integrated Operating Platform

The MEXA-ONE-XL-NX and other À¶¾¨ÌåÓýÖ±²¥ ONE series systems employ a common user interface with future expandability. Control, monitoring and management of each emission measurement device can be integrated into a single controller.

MEXA-ONE-XL-NX Specification

Measurement targetExhaust gas from internal combustion engine and gas turbine (Direct/Conti-dilute)
Emissions StandardUS EPA GHG*1, GTR No.15 (NO2, N2O, NH3)
Measurement rangeNO (Low) 0-200 ppm (High) 0-6000 ppm
NO2 (Low) 0-100 ppm (High) 0-3000 ppm
N2O (Low) 0-200 ppm (High) 0-6000 ppm
NH3 (Low) 0-100 ppm (High) 0-3000 ppm
Measurement PrincipleQuantum Cascade Laser Infrared Spectroscopy; QCL-IR
Sample gas line temperature113 °C± 6 °C
Sample gas flow rate8.0 L/min ± 1.0 L/min
Operating environmentAmbient temperature: 5~40°C
Ambient humidity: 80% or less as relative humidity
Power requirementsWhen stable: Max. 750 VA (analyzer unit only)
Dimensions440(W)×720(D)×880(H) mm (Except for outshoots)
MassApprox. 110 kg

*1 Measurement method in accordance with CFR 1065 (N2O). Please contact us for details.

 

Performance

Zero noise(2σ)NO (Low range) 0.4 ppm or less
  â€ƒ(High range) 12 ppm or less
NO2 (Low range) 0.2 ppm or less
 â€ƒâ€ƒ(High range) 6 ppm or less
N2O (Low range) 0.4 ppm or less
 â€ƒâ€ƒ(High range) 12 ppm or less
NH3 (Low range) 0.2 ppm or less
 â€ƒâ€ƒ(High range) 6 ppm or less
Rise time
(calibration gas line t10-90)
2.5 s or less N2 NO 200 ppm at the time of switching
2.5 s or less N2 NO2 100 ppm at the time of switching
2.5 s or less N2 N2O 200 ppm at the time of switching
3.5 s or less N2 NH3 100 ppm at the time of switching

 

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