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| Brand | WAYEAL |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | VM1750 |
| Instrument Principle | Cryogenic Preconcentration Coupled with Gas Chromatography–Mass Spectrometry (GC-MS) |
| Configuration | Online Continuous Monitoring System |
| Response Time | ≤5 s (T90) |
| Target Analytes | 116 VOCs including PAMS, TO-14/TO-15 compounds, and C1–C10 aldehydes & ketones |
| Detection Capability | Sub-ppt (pg/m³) level quantification |
| Detector Configuration | Dual-channel detection via Flame Ionization Detector (FID) and Quadrupole Mass Spectrometer (MS) |
| Sample Introduction | Automated, unattended, real-time ambient air sampling |
| Surface Treatment | Fully passivated gas pathways (SilcoNert® or equivalent inert coating) |
| Compliance Readiness | Designed to support EPA Method TO-14A, TO-15, ASTM D5504, and ISO 16017-1 workflows |
| Brand | WAYEAL |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | TOF2000 |
| Instrument Principle | Single-Photon Ionization Time-of-Flight Mass Spectrometry (SPI-TOF-MS) |
| Configuration | Online Fixed/Mobile Deployment |
| Response Time | Sub-second (≤1 s) |
| Analyte Capacity | >300 Atmospheric Volatile Organic Compounds (VOCs) |
| Mass Resolution | >2000 FWHM (Toluene) |
| Linear Dynamic Range | 4 orders of magnitude |
| Vacuum System | Turbo-molecular pump cascade (3-stage) + backing mechanical pump |
| Ionization Source | 10.8 eV VUV lamp (soft ionization) |
| Mass Analyzer | Orthogonal acceleration reflectron TOF with second-order spatial and energy focusing |
| Detection Mode | Direct ambient sampling, no pre-concentration or chromatographic separation required |
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