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O342e Ozone Analyzer

Ozone Analyser

LED based, UV Photometric Ozone Analyzer providing accurate, stable and repeatable O3 measurements in the range of 0-500 ppb or 0-10 ppm.

Ozone monitor for regulatory compliance: QAL1 certified by the TUV, US-EPA approved. Eco-designed, reference air quality monitor using LED based UV Photometry technology (patented). With its ultra low power consumption & 24 V supply (option), the O342e is the only ozone monitor on the market able to measure without being connected to the power grid.


Have questions? Call +61 2 9622 6327


  • Cost-saving ozone monitor with ultra low power consumption, 24 V supply (option) and able to withstand temperatures up to 45-50 °C without air conditioning
  • Maximum efficiency, minimum size: compact, lightweight, offering the best metrological performances for O3 measurements in the range of 0-500 ppb or 0-10 ppm
  • Real-time calibration graph, animated synoptic, auto-diagnostic, control and maintenance data screens can be displayed while the instrument is operating
  • Simultaneous multi-screen remote emulation of the analyzer: minimizes training and on-site expensive expertise needs
  • Service assistant inside: detects early signs of trouble, allows predictive maintenance, identifies the service needed and guides the service operations step by step
  • User-friendly: one click to perform zero, span or calibrations using O3 gas generators
  • Automatic recognition of plugged electronic boards or optional devices: plug and play principle.
  • Embedded Communication Protocol for XR® Software with automatic recognition and configuration
  • 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…)
  • Ozone monitor for regulatory compliance: continuous indoor and outdoor air quality monitoring
  • Mobile AAQMS laboratories and fixed air quality monitoring stations for pollution monitoring
  • Compact, Solar powered or on battery air quality monitoring stations (Green energy)
  • 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 ozone effects
Measured parameterO₃
TechnologyUV photometry & LED
US-EPA Approval / QAL 1 CertificationYES
Measurement ranges0-1 ppm / 0-10 ppm
Measurement unitsppb, ppm, µg/m3 (user-selectable)
Lower Detectable Limit (2σ)0.2 ppb
Noise (σ)0.1 ppb
Zero drift< 0.5 ppb / 24h, < 1 ppb / 7 days
Span drift< 0.5% / 24h, < 1% / 7days
Linearity± 1% FS
Sample flow rate1L/min
Sampling pumpInternal
Temperature range0°C to +35°C
Data storage1 year
Weight (Kg)9.5
Dimensions mm (LxWxH)483 x 606 x 133
Chassis19″ Rack, 3U
Power supply‘100~250Vac, 50/60Hz + ground
Pressure and temperature compensationYES


    • TFT color touch screen (800 x 480 , 7″)
    • 24 V Power supply PLUS extended temperature range 0-50°C for utilization without air conditioner



  • 2008/50/EC, EN 14625 (2012), EN 15267 40 CFR PART 53 AND 40 CFR PART 58
  • QAL 1 certified by the TÜV to N° 0000043106
  • U.S. EPA approved as compliant with EQOA-0515-225



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