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| Brand | Guo Ruili Heng |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | OEM Producer |
| Model | GR-1350B |
| Flow Range | 24-hr Gaseous Sampling: 0.20 L/min |
| Particulate Sampling | (60–130) L/min |
| Maximum Vacuum Pressure | >9 kPa |
| Flow Stability | ±2.5% (RSD) |
| Max Flow Error | ≤2.5% |
| Operational Duration at Max Flow & Load | 4–6 h |
| Rated Service Life at Max Flow & Load | >10,000 h |
| PM2.5 Cut-Point (Da₅₀) | (2.5 ± 0.2) µm, σg = (1.2 ± 0.1) |
| PM10 Cut-Point (Da₅₀) | (10 ± 0.5) µm, σg = (1.5 ± 0.1) |
| Inlet Velocity | 0.3 m/s |
| b/a Ratio | 0.625 |
| Nominal Particulate Flow | 100 L/min |
| Filter Diameter | Ø80 mm |
| Thread Connection | M20×1.5 |
| Temperature Control Range | 15–30 °C (PID-regulated, ±0.5 °C accuracy) |
| Ambient Pressure Measurement | (60–130) kPa, resolution 0.01 kPa, accuracy ±2.5% |
| Time Accuracy | ±0.2% over 1 min–99 h 59 min |
| Noise Level | <62 dB(A) |
| Dimensions (W×D×H) | 210 × 320 × 270 mm |
| Weight | ~7.0 kg |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Power Consumption | <100 W |
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