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| Brand | Protea |
|---|---|
| Origin | United Kingdom |
| Model | ProMass |
| Form Factor | Semi-portable (carrying case or 6U 19″ rack-mount) |
| Detection Principle | Quadrupole Mass Spectrometry (QMS) |
| Mass Range | Adjustable (typical range 1–100 u or 1–300 u, configurable per application) |
| Detection Limit | Sub-ppb to low-ppb level (dependent on gas species and integration time) |
| Response Time | < 100 ms for single-ion monitoring |
| Ion Source | Electron Impact (EI), 70 eV standard |
| Detector | Dual-mode — Faraday Cup + Secondary Electron Multiplier (SEM) |
| Vacuum System | Integrated turbomolecular pump with backing pump |
| Compliance | CE-marked, RoHS-compliant, designed for industrial environments per IEC 61000-6-2/6-4 |
| Brand | LESHI |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Instrument Type | Single Quadrupole Mass Spectrometer |
| GC Architecture | Low Thermal Mass (LTM) Gas Chromatograph |
| Ion Source | High-Temperature Inert Ceramic Electron Ionization (EI) Source |
| Mass Analyzer | Precision All-Metal Quadrupole |
| Mass Range | 10–500 amu (standard configuration) |
| Detector | Electron Multiplier with High-Energy Conversion Dynode |
| Injection | Split/Splitless Injector |
| Column Interface | On-Column Heated Capillary Column |
| Carrier Gas Flow | Direct-to-Source Pneumatic Control |
| Preconcentration | Integrated Quantitative Loop and Sorbent-Based Trap (software-selectable) |
| Compliance | Designed to support EPA Method 8260D, ASTM D7622, and ISO 16000-6 workflows |
| Brand | Protea |
|---|---|
| Origin | United Kingdom |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported Instrument |
| Model | ProMass-D |
| Pricing | Available Upon Request |
| Mass Range Options | 0–100 amu, 0–200 amu, or 0–300 amu (configurable) |
| Detection Principle | Quadrupole Mass Filtering (QMS) |
| Ion Detection | Dual-mode—Faraday Cup + Secondary Electron Multiplier (SEM) |
| Sample Inlet | Direct Capillary Inlet |
| Response Time | Millisecond-scale |
| Application Domain | Real-time Gas Phase Analysis in Lab and Process Environments |
| Brand | Protea |
|---|---|
| Origin | United Kingdom |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported Instrument |
| Model | ProMass-T |
| Pricing | Available Upon Request |
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