BTEX -airTOXICBTXPID - 1,3 Butadiene Analyzers
From Auto GC866 Analyzers - VOCs Analyzers
A GC/PID for automatic monitoring of BTEX in air, water and soils. This instrument uses a port valve with a single absorbent trap, and a 30 meter metallic 0.28 mm ID column. Minimum detection level as low as 10 ppt for application Benzene or 1,3-Butadiene in ambient air. Miniaturization, sensitivity, mobility and flexibility are its main features. Everything from the sample port up to the data storage is integrated in a 19'- rack 5U.
Products Details
MCERTS Certified Analyser for Benzene Measurement following EN 14662-3 Norms
Programmed gradient temperature up to 202°c for the column oven and pressure/flow control of the carrier gas. Linearity on area with R2 > 0.995. European range : 0.45 to 45 µg/m3 = 0.1 to 14.5 ppb.
Before delivery the analyser is tested for one week by our quality control department. Photo ionisation detector (PID), 10,6 eV lamp. Self-cleaning of the lamp ensures high stability. Bi-directionnal RS-232 C to transfer data and results to the internal computer.
Vistachrom software enables the user to view and store data on a industrial computer. It provides comfortable user friendly utilities to recalculate, calibrate and export data and to configure the measurement. The software allows the calculation of retention time, area, mass or concentration profiles, in any measuring unit.
LCD DISPLAY
Results output : different communication protocols available
Principle of the airTOXIC PID:
This instrument uses a port valve with a single absorbent trap, and a 30 meter metallic 0.28 mm ID column. Minimum detection level as low as 10 ppt for Benzene or 1,3-Butadiene (A76022) in ambient air. Miniaturization, sensitivity, mobility and flexibility are its main features. Everything from the sample port up to the data storage is integrated in a 19'- rack 5U.
Programmed gradient temperature up to 202°C for the column oven and pressure/flow control of the carrier gas.
Linearity on area with R2 > 0.995
European range: 0.45 to 45 μg/m3 = 0.1 to 14.5 ppb.
Before delivery the analyser is tested for one week by our quality control department.
Photo ionisation detector (PID), 10,6 eV lamp.
Self-cleaning of the lamp ensures high stability.
Bi-directionnal RS-232 C to transfer data and results to the internal computer.
Vistachrom software enables the user to view and store data on a industrial computer. It provides comfortable user friendly utilities to recalculate, calibrate and export data and to configure the measurement.
The software allows the calculation of retention time, area, mass or concentration profiles, in any measuring unit.
LCD DISPLAY Results output: different communication protocols available
Theory:
Photoionization is initiated by the absorption of short wavelength ultraviolet light by a molecule. This can lead to ionization as follows:
R + hv => R+ + e-
If the ionization potential of R is less than or equal to the energy of the photon, hv, then the species are ionized.
The detector consists of a sealed interchangeable ultraviolet lamp that emits a selected energy line.
Lamps with energies of 8.3, 9.5, 10.6 and 11.7 eV are available.
PID is linear.
Options:
- Exp cabinet option hazardous area ATEX zone 1, zone 2 or CSA Class 1 Division 2 T3
- MODBUS RTU
- Internal Multipoint calibration with CALIB and / or cylinder
- Nitrogen generator up to 300 ml/min
- Modem support and remote control
- 4 or 8 analog outputs 4-20 mA or 0-10 V
- 1,3-Butadiene ( A76022 or A73022-B)
- Purge module to extract VOC from water for online BTEX analysis
- Naphthalene in option
Technical Specifications:
- BTEX analysis: up to 8 compounds:
- Benzene
- Toluene
- Ethylbenzene
- Xylenes: Ortho, meta, para
- Butadiene (model A76022)
- Cyclohexane
- Styrene
- 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 or 20 or 30 min
- 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
- Sample volume: 20 to 400 ml or more (programmable)
- Operation Temperature: Room with air conditioning: 10 to 35°c
- Computerized Electronic:
- 4xUSB Connecting Port
- Two RS-232 ports
- Display: 10’’ TFT Color LCD
- Software: Windows XP embeded
- 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
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