Hệ thống GC/PID tự động giám sát BTEX và 1,3-Butadiene airTOXIC BTX PID

Automatic GC/PID System for BTEX and 1,3-Butadiene Monitoring – airTOXIC BTX PID

The airTOXIC BTX PID is an automatic monitoring device that detects BTEX compounds (Benzene, Toluene, Ethylbenzene, Xylene) and 1,3-Butadiene in air, water, and soil

9 ₫

This device utilizes gas chromatography (GC) with a photoionization detector (PID) to continuously monitor BTEX and 1,3-Butadiene. It integrates all functions, from sampling to data storage, into a 19″-5U standard rack, ensuring easy deployment in various environments.

Applications

Environmental Monitoring:

Indoor and outdoor air quality assessment
Urban and remote area air quality monitoring
Perimeter monitoring at refineries

Industrial Process Control:

Occupational safety monitoring
Industrial emissions monitoring

Category: Uncategorized

Operating Principle

The system operates using gas chromatography (GC) with a photoionization detector (PID) featuring a 10.6 eV UV lamp.
Ionization occurs when a molecule absorbs short-wavelength UV light, leading to ion formation:

$R + h v \to R^{+} + e^{-}$

If the ionization potential of molecule R is equal to or lower than the photon energy hv, ionization occurs.

The PID detector contains a sealed, replaceable UV lamp that selectively emits energy. Available lamp options: 8.3 eV, 9.5 eV, 10.6 eV, and 11.7 eV.

The PID detector offers high linearity, ensuring accurate results.

Software Functions:

Data display and storage on industrial PC
Calibration, recalculations, and data export
Measurement configuration
Retention time, peak area, mass, or concentration calculation in any unit

Certifications & Standards

MCERTS Certified for Benzene measurement (EN 14662-3 standard)
Optional ATEX cabinet: Zone 1, Zone 2 (ATEX) or Class 1 Division 2 T3 (CSA)

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BTEX analysis: up to 8 compounds	Benzene, Toluene, Ethylbenzene, Xylenes: Ortho, meta, para cyclohexane, styrene 1,3-Butadiene in option, IAA in option
Lower detection limit (LDL) in automatic mode	≤ 0.01 ppb = 0.0325 µg/m
Detection range and linearity: BENZENE	3,25 to 3250 µg/m³ = 0-1000 ppb 0,32 to 325 µg/m³ = 0-100 ppb 0,032 to 32,5 µg/m³ = 0-10 ppb
Relative standard variation: PRECISION	Better than 0.3 % over 48h (Retention Time) Better than 2 % over 48 h on 1 ppb (Concentration)
Results on LCD	Data storage 4 or 8 x 4-20 mA or 0/10 V output in option MODBUS RTU / JBUS or Bayern Hessen protocol
Cycle time	15, 20 or 30 min (A73022) 30 min (A73022-B) 20 min (A76022)
Gas supply	Nitrogen: 4 ml/min (inlet 3 bars; 1/8’’ swagelok) Air or nitrogen for CALIB: 50 ml/min continuously and 180 ml/min in CALIB method Detector cleaning: 3 ml/min 15ml/min, Sample inlet (vacuum pump) 1/4’’swagelok Pneumatic valve 90ml/commutation
Gas supply for Exp cabinet	If air used for dillution: 30l/min in continue If nitrogen used for dilution: 500 l to purge the cabinet and < 0.5 l/min in continue to maintain overpressure
Sample volume	20 to 400 ml or more (programmable)
Operation Temperature	Room with air conditioning: 10 to 35°c
Computerized Electronic	4 USB Connecting Port Two RS-232 ports / 1 Ethernet Display: 10’’ TFT Color LCD Software: Windows 10 IOT Entreprise LTSC
Power supply	main: 230V / 50Hz or 115V / 60 Hz battery: 24V (option)
Electrical consumption	Average: 150 VA, Peak 360 VA
Dimensions and weight	Rack 19’’ version: Height 222mm, Width 482mm, Depth 600mm, Net weight 22kg Exp version: Height 800mm, Width 600mm, Depth 300mm, Net weight 40kg

Operating Principle

Software Functions:

Certifications & Standards

TSP airTOXIC BTX

Product reviews

Review Automatic GC/PID System for BTEX and 1,3-Butadiene Monitoring – airTOXIC BTX PID

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