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AC32E NOx Analyser

NO, NO2, NOx Analyser

CLD based gas monitor offering superior performances for the measurement of NO, NO2 and Nox in the range 0-1 ppm or 0-10 ppm.

Eco-designed, reference air quality monitor, based on chemiluminescence technology, is the standard method for the measurement of nitrogen oxides (EN 14211). QAL1 certified by the TÜV, US-EPA approved. With its ultra-low power consumption & 24 V supply (option), the AC32e is the sole NOx analyzer on the market able to measure without being connected to the power grid.


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  • Includes embedded Communication Protocol for XR® Management Software with automatic recognition and configuration
  • Ultra-low power consumption means an environment-friendly and cost-saving analyzer
  • Breakthrough mechanical design for weight and power saving as well as thermal insulation & reliability
  • Automatic recognition of plugged electronic boards or optional devices: plug and play principle
  • SmartStatusLightTM power button on the front panel indicates if the instrument is ready to use or not (ON/OFF, Alarm, Maintenance required…)

Benefits from them e-series advantages:

  • Continuous indoor and outdoor air quality monitoring
  • Stationary and mobile AQMS laboratories
  • Ammonia impact assessments from intensive farming & livestock installations
  • Industrial fence-line monitoring
  • Continuous emissions monitoring (CEM) by dilution
  • Background (urban or suburban), Rural, Traffic, Kerbside measurement campaigns and monitoring studies
  • Laboratory and field studies on pollution effect
Measured parameterNO, NO₂, NOx
US-EPA Approval / QAL 1 CertificationYES
Measurement ranges0-1 or 0-10 ppm
Measurement unitsppb, ppm, µg/m3 (user-selectable)
Lower Detectable Limit (2σ)< 0.2 ppb
Noise (σ)0.1 ppb
Zero drift< 1 ppb / 24h
Span drift< 1% / 7 days
Sample flow rate0.66 l/min (1 l/min with dryer)
Sampling pumpExternal
Temperature range0°C to +40°C
Data storage1 year
Included I/O1LAN/3USB/WIFI
Weight (Kg)10.3 (+ 4,6 pompe)
Dimensions mm (LxWxH)483 x 606 x 133
Chassis19″ Rack, 3U
Power supply‘100~250Vac, 50/60Hz + ground
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