Volatile Organic Compounds Analyzer BTEX

VOC72M

The VOC72M’s metrology, in accordance with EN 14662-3 (2005) &  EN 15267-1 (2009) standard for benzene measurement, is based on gas chromatography (GC) coupled with a photo-ionization detector (PID).

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
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  • Standard measured compounds: Benzene, Toluene, Ethylbenzene, m+p-Xylene, o-Xylene, 1-3 Butadiene…
  • Performs all the functions, such as: sampling, analysis and data management, in a simple and completely autonomous mode
  • Self-contained, completely automated and ready to use in less than 30 minutes
  • GC column equipped with an innovative liquid-cooler; retention times are stable even with a fluctuating temperature
  • Long-life capillary column
  • High sensitivity, stable and linear response PID detector
  • Ultrafast trap heater (heating rate >160°C/second)
  • Quick check of the chromatogram peaks possible directly on-screen, without the use of a computer
  • Low memory effect allowing the automatic calibration of the analyser on a single cycle without an external PC
  • Carrier Gas : N2 (Nitrogen)
  • Ambient air monitoring
  • Monitoring of industrial sources emitting VOCs
  • Photochemical pollution studies (stationary and mobile laboratories)
  • Other compounds on request: hexane, trimethylbenzene, i-octane, styrene…
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
  • up to 1000 µg/m3 
  • maximum factory standard range for benzene: 90 µg/m3,
    user-selectable up to 180 µg/m3
    (higher range possible on request)
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

 

    MAIN OPTIONS:

  • 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
    COMPLIANCE WITH:

  • ISO 13964, 2008/50/EC, EN14662-3:2005, EN15267-1:2009
  • EN15267-2:2009, 40 CFR PART 53 and 40 CFR PART 58
  • QAL 1 certified by the TÜV to EN 15267 Certificate N° 0000032300
    0000032300

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