Technical Specifications
- Cycle time:
- 10 minutes
- Sample volume:
- 0.1 to 2 mL depending on application and detection range
- Detection Limit:
- Ne and H2 ≤ 2 ppm
- Detection Range:
- ppm to %
- Repeatability:
- RSD < 5% over 48h (concentration)
- RSD < 0.6% over 48h (retention time)
- Gas supply:
- He or H2 as carrier gas (inlet: 3.5 bar)
- Pneumatic valve: 90 mL/min per commutation
- Calibration inlet: 1 bar, 20 mL/min
- Sample inlet: 1 bar, 20 mL/min
- Results:
- Embeded computer Windows® based
- 128 GB of Hardware storage on SSD memory
- Ethernet, remote control
Ne, He, H2, O2, N2, CO2, CH4 monitoring
ChromARGON is an auto-GC coupled to a Thermal Conductivity Detector (TCD) designed for the analysis of permanent gases and/or light hydrocarbons.
The TCD is a universal and non-destructive detector that measure the thermal conductivity of the sample eluting from le column. The thermal conductivity of the carrier gas is taken as reference. When a compound elutes from the column, the TCD is able to detect the change in thermal conductivity which produces the signal.
A sampling loop is used to inject a given amount of sample into the analytical columns (packed or capillary). Each column is installed in an oven allowing for their regeneration to avoid contamination and loss of resolution. Carrier gas can be hydrogen or helium depending on the application. Permanent gases such as Ne, He, H2, O2, N2, CO2 and light hydrocarbons (from methane to butane) can be continuously monitored from ppm to %. With its stability and robustness, the chromARGON is ideal for ambient or industrial air monitoring.
The Vistachrom software enables the used to visualize and store data on a PC. Furthermore, it provides comfortable utilities to recalculate, calibrate and export data and to set-up measurement. The software allows the calculation of retention time, area, mass or concentration profiles.
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