Volatil Organic Compounds Analyzer BTEX


Gas chromatography (GC) coupled with a PID detector. VOC monitor QAL1 certified to EN 14662-3 standard for benzene measurement

Compact and fully automated analyser providing equal performance to the laboratory chromatographs; particularly well-suited for fixed or mobile ambient air quality monitoring stations.
• Standard measured compounds: Benzene, Toluene, Ethylbenzene, m+p-Xylene, o-Xylene, 1-3 Butadiene (other compounds on request)

Quick check of the chromatograms possible directly on-screen, without the use of a computer
Technical specifications
Measured parameter VOC (Benzene, Toluene, Ethylbenzene, m+p-Xylene, o-Xylene, 1,3 Butadiene)
Technology Gas Chromatography
US-EPA Approval / QAL 1 Certification YES
Measurement ranges 0-1000 µg/m3
Measurement units ppb, ppm, µg/m3 (user-selectable)
Lower Detectable Limit (2σ) ≤ 0.025% µg/m3 at 0.5 µg/m3 benzene
Noise (σ) ≤ 0.5%
Zero drift ≤ 4% / 15 days
Span drift < 1% / 7 days
Sample flow rate 50 ml/min
Temperature range 0°C to +30°C
Data storage 1 year
Included I/O 1LAN / 1USB / WIFI / RS232-422
Weight (Kg) 12.5
Dimensions mm (LxWxH) 483 x 606 x 133
Chassis 19″ Rack, 3U
Power supply ‘100~250Vac, 50/60Hz + ground

  • TFT color touch screen (800 x 480 , 7″)

  • ESTEL 2 max electronic boards with:
    4 independent analog inputs (0-2.5 V) / outputs (0-1 V, 0-10 V, 0-20 mA, 4-20 mA)
    4 remote control inputs
    6 dry contacts
  • RS232 or RS422 serial interface (max. one Estel board if this option is used)
  • Span gas input (atmospheric pressure)
  • Span gas input under pressure (1 bar) for permanent connection to a gas cylinder

  • ISO 13964, 2008/50/EC, EN14211:2012, EN15267-1:2009
  • EN15267-2:2009, 40 CFR PART 53 and 40 CFR PART 58
  • QAL 1 certified by the TÜV to N° 0000038507

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