Using gas chromatography, the model airTOXIC BTX PID measures the amount of Benzene, Toluene, Ethylbenzene and Xylenes in the air from sub-ppb levels up to 1,000 ppb.

Miniaturization, sensitivity, mobility and flexibility are the main features of the airTOXIC BTX PID. Everything from the sample port up to the data storageairTOXIC BTX PID is integrated in a 19″-rack 5U. The airTOXIC BTX PID uses a port valve with a single absorbent trap and a metallic 0.28mm ID column. It has a programmed gradient temperature of the oven and pressure/flow control of the carrier gas.

The detection is made with a Photo Ionisation Detector with a self-cleaning 10.6 eV PID lamp for high stability. Its minimum detection limit is as low as 10 ppt for Benzene or 1.3-Butadiene (A76022) in ambient air.

The Vistachrom® software enables the user to view and store data on an internal 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.

Ethernet connectivity provides efficient remote access, allowing the user to download measurement information directly from the instrument without having to be on-site.

Special Features:

  • A GC/PID for automatic monitoring of BTEX in air, water and soils
  • Beverage and food industry
  • For monitoring in urban and non urban areas as well as on fence line
  • Ethernet connectivity for efficient remote access
  • Highly stable PID with self cleaning lamp
  • Completely automated on-line analyser

 

 

Options

  • Styrene and Cyclohexane additionally
  • Additional communication protocols
  • CALIB for A73022
  • Automatic validation and auto calibration
  • Nitrogen generator up to 200 ml/min
  • Modem support and PC anywhere
  • 6 analog outputs 4-20 mA or 0-10 V
  • 1.3 Butadiene (A76022)

BTEX analysis:
Benzene, Toluene, Ethylbenzene, Xylenes (o-, m-, p-)

LDL in automatic mode:
≤ 0.01 ppb = 0.0325 µg/m3

Detection ranges: (Benzene)
3.25 to 3,250 µg/m3 = 0 – 1,000 ppb
0.32 to 325 µg/m3 = 0 – 100 ppb
0.03 to 32.5 µg/m3 = 0 – 10 ppb

Precision:
< 0.3 % over 48 h (Retention Time)
< 2 % over 48 h on 1 ppb (Concentration)

Gas supply:
– N2: 4 ml/min (inlet 3 bars; 1/8’’ swagelok)
– Air or N2 for CALIB: 50 ml/min, continuously, 180 ml/min in CALIB method

Sample flow rate:

15 ml/min (pump); inlet 1/4’’ swagelok

Sample volume:
20 to 400 ml (programmable)

Cycle time:
15 to 30 minutes

Operation temperature:
10° C to 35° C (air conditioned room)

Computerized electronics:
Pentium® III CPU
10’’ TFT Color LCD
4x USB Connecting Ports
2x RS-232
Windows XP®

Power supply:
230VAC/50Hz or 115VAC/60Hz
24 V battery (optional)

Power consumption:
150 W average (360 W max.)

Size:
48.2 cm W x 22.2 cm H x 60 cm D

Weight:
18 kg

Outputs:

RS-232 (standard)
4-20mA or 0-10V (optional)

Part numbers:
A73022 for BTEX with CALIB
A74022 for BTEX without CALIB
A76022 for BTEX and Butadiene


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