Smart environmental monitoring solutions

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

Request a quote
Back to products


CAPS NO2 Analyser

Gas monitor for fast, precise, direct and continuous measurement of NO2 concentrations in the range 0-1000 ppb.

Visible (450 nm) absorption measurement using patented Cavity Attenuated Phase Shift (CAPS) technology. QAL1 certified by the TÜV, US-EPA approved.

Fast and direct measurement of the sample – no chemical conversion required, no Toxic Gas Emissions.


Have questions? Call +61 2 9622 6327

  • Essentially interference-free, insensitive to high fluctuations of nitric oxide, aerosols, humidity and other trace atmospheric species
  • Ideal for a wide variety of monitoring application where accuracy, precision and fast response are required
  • Extremely compact, easy to use with minimal maintenance
  • Built-in USB port, serial interface (RS 232 / RS 422) and TCP-IP connection
  • Real-time calibration graph, animated synoptic, control and maintenance data screens can be displayed while the instrument is operating
  • Cost-saving analyzer with ultra low power consumption, 24 V supply (option) and able to withstand temperatures up to 45-50 °C without air conditioning
  • Includes embedded Communication Protocol for XR® Management with automatic recognition & configuration
  • SmartStatusLightTM power button on the front panel indicating status of operation (ON/OFF, Alarm, Maintenance required…)
  • Continuous indoor and outdoor air quality monitoring
  • Stationary and mobile AQMS laboratories
  • Industrial fence-line monitoring
  • Background urban or rural, Traffic, Kerbside measurement campaigns and monitoring studies
  • Roadside air pollution and street canyon effect
  • Tunnel Monitoring, Traffic stations…
Measured parameterNO
TechnologyCAPS (Cavity Attenuated Phase Shift Spectroscopy)
US-EPA Approval / QAL 1 CertificationYES
Measurement ranges0-1 ppm
Measurement unitsppb, ppm, µg/m3 (user-selectable)
Lower Detectable Limit (2σ)0.1 ppb
Noise (σ)0.05 ppb
Zero drift0.75 ppb/24h
Span drift1.5 ppb/12h
Linearity< 4%
Sample flow rate1L/min
Sampling pumpInternal
Temperature range+10°C to 35°C
Data storage1 year
Included I/O1 LAN / 1 USB / WIFI / 1 RS4i board
Weight (Kg)12.5
Dimensions mm (LxWxH)483 x 606 x 133
Chassis19″ Rack, 3U
Power supply‘100~250Vac, 50/60Hz + ground


  • 2008/50/EC, EN14211:2012, EN15267-1:2009
  • EN15267-2:2009, 40 CFR PART 53 & 40 CFR PART 58
  • QAL 1 certified by the TÜV to N° 0000038507
  • U.S. EPA approved as compliant with EQNA-1013-210


You have successfully subscribed to our newsletter!