E-Series O342e Ozone Analyzer O₃

SKU: O342e

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.

  • Brand


Envea Ambient


  • 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…)


Technical specifications
Measured parameter O₃
Technology UV photometry & LED
US-EPA Approval / QAL 1 Certification YES
Measurement ranges 0-1 ppm / 0-10 ppm
Measurement units ppb, 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 rate 1L/min
Sampling pump Internal
Temperature range 0°C to +35°C
Data storage 1 year
Included I/O 1LAN/3USB/WIFI/2DRY
Weight (Kg) 9.5
Dimensions mm (LxWxH) 483 x 606 x 133
Chassis 19″ Rack, 3U
Power supply ‘100~250Vac, 50/60Hz + ground
Pressure and temperature compensation YES


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