G.A.S.
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| Brand | G.A.S. |
|---|---|
| Origin | Germany |
| Model | BreathSpec® |
| Inlet | 6-port valve direct injection |
| Sensitivity | sub-ppb (parts-per-trillion detectable) |
| Library | VOC-specific GC×IMS spectral library |
| Mobility Resolution | TOF-IMS with 5 kV/10 cm drift field |
| Weight | 20 kg |
| Integrated Components | Onboard computer, internal gas supply, spirometer for CO₂/O₂ flow monitoring |
| Sampling Modes | Direct exhaled breath, static headspace (oral/nasal cavity), dermal micro-sampling |
| Brand | G.A.S. |
|---|---|
| Origin | Germany |
| Model | BreathSpec® |
| Sample Introduction | 6-port valve direct injection |
| Sensitivity | sub-ppb (pptv–ppbv range) |
| Spectral Library | Volatile Organic Compounds (VOCs) |
| Ionization Source | ³H beta emitter (300 MBq, exempt per IEC 61017 & GB 18871-2002 Annex A) |
| Drift Voltage Polarity | Switchable positive/negative mode |
| Detection Principle | Coupled Gas Chromatography–Ion Mobility Spectrometry (GC-IMS) |
| Data Acquisition | High-speed ADIO board with X-scale real-time processing |
| Display | 6.4″ TFT VGA screen |
| Connectivity | RS232 / USB-A ×2 / Ethernet (RJ45) |
| Power Input | 100–240 V AC, 50–60 Hz |
| Dimensions | 449 × 375 × 177 mm (W × D × H) |
| Weight | 15.5 kg |
| Enclosure | 19″ rack-mountable chassis, IP20 rated, EMC compliant |
| Cooling | Thermally regulated axial fan (max. 5.5 m³/h) |
| Gas Fittings | 3 mm stainless steel Swagelok® for drift gas, sample inlet/outlet, carrier gas, and IMS exhaust |
| Brand | G.A.S. |
|---|---|
| Origin | Germany |
| Model | FlavourSpec® 25 |
| Sample Introduction | Headspace Auto-sampling |
| Sensitivity | Sub-ppb (without preconcentration) |
| Spectral Output Formats | 2D ion mobility chromatograms, 3D retention time–drift time–intensity plots, and compound-specific fingerprint spectra |
| Brand | G.A.S. |
|---|---|
| Origin | Germany |
| Manufacturer Type | Authorized Distributor |
| Model | FlavourSpec®25 |
| Sample Introduction | Headspace (HS) |
| Sensitivity | <1 ppb (without preconcentration) |
| Data Output Formats | 2D chromatogram (GC × IMS), 3D spectrochromatogram, fingerprint plot |
| Detection Principle | Drift Tube Ion Mobility Spectrometry coupled with Capillary Gas Chromatography |
| Operating Pressure | Ambient atmospheric pressure |
| Instrument Architecture | Time-of-Flight (TOF)-based IMS detector with integrated thermal desorption and GC column |
| Brand | G.A.S. |
|---|---|
| Origin | Germany |
| Model | GC-IMS |
| Detection Limit | <1 ppb (v/v) |
| Sample Introduction | 6-port valve direct injection |
| Library | VOC-specific ion mobility spectral library |
| Operating Mode | Switchable positive/negative ion mode |
| Portability | Field-deployable, battery- and vehicle-power compatible |
| Compliance | Designed for ISO 16000-6, ASTM D5197, US EPA Method TO-15/TO-17 context |