ENVEA - Model VOC72e -Volatile Organic Compounds Analyzer BTEX
FromENVEA
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).
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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
- Ambient air monitoring
- Monitoring of industrial sources emitting VOCs
- Photochemical pollution studies (stationary and mobile laboratories)
- Other component upon request: hexane, trimethylbenzene, i-octane, styrene…
- 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
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, EN14662-3:2015, EN15267-1:2009
- EN15267-2:2009, 40 CFR PART 53 and 40 CFR PART 58
- QAL 1 certified by the TÜV to N° 0000038507