MEXA-ONE-QL-NX

레이저 분광 배기가스 측정 장치

배기가스 성분 중 NO, NO₂, N₂O 및 NH3의 직접적이고 실시간 측정이 가능한 배기가스 분석기입니다. QCL (양자 캐스케이드 레이저) 기술을 기반으로 광원과 정밀하게 조정된 셀을 결합하여 저농도를 최대 감도로 측정할 수 있게 만들어 현재 유럽의 배기가스 규제 사항을 충족합니다. 또한 독립적으로 작동하거나 MEXA-ONE 소프트웨어 인터페이스에 통합되어 사용자 친화적인 시스템 작동이 가능합니다.

Segment: Automotive

Division: Emission Measurement Systems

Manufacturing Company: HORIBA, Ltd.

Applications

Development of new NO_x after-treatment systems, such as urea-SCR, CRTs and LNTs
Certification of NH₃ emissions according to the latest European legislation for light duty vehicles (WLTP/GTR 15)
As an R&D tool for worldwide regulations - certification or reporting of greenhouse gas emissions (EPA) or ammonis (Euro VI)

All advantages at a glance

Compliant with WLTP/GTR 15 for NH₃ measurement
Suitable for the measurement of very low concentrations
Wide dynamic ranges (up to 5000 ppm)
Very low cross-sensitivity for other exhaust gas components
No operating gases other than compressed air
Direct NO₂ measurement
Easy handling (no liquid nitrogen cooling necessary)
Operation within HORIBA ONE PLATFORM

Model	MEXA-ONE-QL-NX
Measuring principle	Quantum Cascade Laser Infrared (QCL-IR) Spectroscopy
Measuring components	NO・NO₂・N₂O・NH₃
Measuring range	NO: (low) 0-100 ppm (high) 0-5000 ppm NO₂：(low) 0- 50 ppm (high) 0-2000 ppm N₂O：(low) 0-100 ppm (high) 0-2000 ppm NH₃：(low) 0- 50 ppm (high) 0-2000 ppm
Zero noise(2σ) (σ：standard deviation)	NO ：(low) < 0.4 ppm (high) < 20 ppm NO₂：(low) < 0.2 ppm (high) < 8 ppm N₂O：(low) < 0.4 ppm (high) < 20 ppm NH₃：(low) < 0.2 ppm (high) < 8 ppm
Sample line temperature	113 ± 6ºC
Response time ( t_10-90)	NO, NO_2,N₂O: < 2 s NH₃: < 5 s*
Dimensions/mass	Main unit：440×660×877 (mm) Approx.: 120 kg (excluding protruding objects)
Sampling rate	10 Hz
Flow rate	8 L/min ± 1 L/min
Inlet pressure	standard: - 5 kPa to +30 kPa (relative) optional: -5 kPa to + 200 kPa (relative)
Span noise	< 2% full scale (FS)
Zero/ span drift	< 1% FS/ 8 h
Warm-up time	2 h

* determined with NH₃ (50 ppm) supplied to the sample inlet at a flow rate of 8 L/min via a 0.3 m sample probe, a heated filter and a 6 m heated line.