HORIBA MEXA-ONE-QL-NX Laser Spectroscopic Motor Exhaust Gas Analyzer

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