Smart environmental monitoring solutions

Talk to our sales team. Call +61 2 9622 6327

Request a quote
Back to products

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.


Have questions? Call +61 2 9622 6327

  • Excellent sensitivity & metrological performances for NO, NO2 and NOx measurements in the range 0-1 ppm and optionally NH3
  • Real-time calibration graph, animated synoptic, auto-diagnostic, control and maintenance data screens can be displayed while the instrument is operating
  • Service assistance inside: detects early signs of trouble, allows predictive maintenance, identifies the needed service and guides service operations step by step: increased productivity on site, reduced downtime, more efficiency, less training…
  • Embedded Communication Protocol for XR® Software with automatic recognition & configuration
  • Able to withstand temperatures up to 45-50 °C without air conditioning
  • Smart, connected instrument with embedded web server for the easiest, full remote control and operation of the analyzer from any PC, tablet or smartphone (configuration, calibration, test, diagnostic parameters…)
  • 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

Our monitoring solutions are European QAL 1 certified and in compliance with the latest international regulations & standards.
They are also approved and certified by various laboratories and organizations around the world such as: US EPA, TÜV, GOST, CEN, JQA, CNEMC, JMOE, KTL, CNSA, LCSQA…


  • ISO 7996, EN 14211 (2012), EN 15267 (2009), 40 cfr part 53 & part 58
  • QAL 1 certified by the TÜV to N° 0000053805
  • U.S. EPA approved as compliant with RFNA-0118-249


You have successfully subscribed to our newsletter!