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| Brand | Tianhong |
|---|---|
| Model | TH-310 |
| Instrument Type | Single-Particle Aerosol Time-of-Flight Mass Spectrometer (SP-AMS) |
| Sampling Method | Aerodynamic Lens Inlet |
| Particle Sizing Principle | Dual-Laser Light Scattering (Vacuum Aerodynamic Diameter, dₐₑᵣₒ) |
| Ionization | 266 nm UV Pulsed Laser (One-Step Desorption/Ionization) |
| Mass Analyzer | Bipolar Reflectron Time-of-Flight (TOF-MS) |
| Detection Rate | ≥100 particles/s |
| Application Scope | Real-Time PM₂.₅ Source Apportionment, Single-Particle Chemical Composition Analysis, Secondary Aerosol Process Monitoring |
| Brand | Tianhong |
|---|---|
| Origin | Hubei, China |
| Model | TH-2025 |
| Instrument Type | Black Carbon Aerosol Analyzer |
| Measurement Principle | Optical Attenuation (Filter-Based Transmission at 7 Wavelengths) |
| Wavelength Range | 370–950 nm |
| Detection Unit | ng/m³ |
| Flow Rate | 2–6 L/min (internal/external pump configurable) |
| Data Storage | External SD card (7-channel BC time series) |
| Communication Interfaces | RS-232, RS-485, Ethernet |
| Compliance Context | Designed for long-term unattended operation in atmospheric background monitoring stations |
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