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| Brand | Beifen Sanpu |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Model | BF-500 |
| Hydrogen Purity | 99.999% (O₂ < 1 ppm) |
| Hydrogen Flow Range | 0–500 mL/min |
| Hydrogen Working Pressure | 0.4 MPa (adjustable, factory-set) |
| Air Flow Range | 0–5 L/min |
| Air Pressure | 0.4 MPa |
| Air Filtration | Oil-free, 3-stage purification (particulate, hydrocarbon, moisture) |
| Output Stability | ≤ ±0.01 MPa |
| Power Supply | AC 220 V, 50 Hz |
| Power Consumption | 280 W |
| Operating Temperature | 0–40 °C |
| Relative Humidity | <85% RH (non-condensing) |
| Dimensions (L×W×H) | 520 × 280 × 400 mm |
| Net Weight | 42 kg |
| Electrolyte | KOH aqueous solution (160 g in 400 mL distilled water, total reservoir volume 1.6 L) |
| Water Refill Requirement | Distilled water only |
| Safety Features | Non-return liquid trap, over-pressure cutoff, electrolyte level sensor, thermal protection, auto-shutdown on leak or dry-run |
| Brand | Beifen Sanpu |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Direct Manufacturer |
| Model | BF-300 |
| Hydrogen Purity | 99.999% (v/v, O₂-equivalent basis) |
| Air Cleanliness | Oil-free, Class 3 filtration |
| H₂ Flow Range | 0–300 mL/min |
| Air Flow Range | 0–2 L/min |
| H₂ Output Pressure | 0.3 MPa |
| Air Output Pressure | 0.4 MPa |
| Input Voltage | AC 220 V, 50 Hz |
| Max Power Consumption | 260 W |
| Weight | 27 kg |
| Dimensions (L×W×H) | 540 × 280 × 480 mm |
| Operating Temperature | 0–40 °C |
| Relative Humidity | <85% RH (non-condensing) |
| Safety Features | Multi-stage overpressure protection, anti-backflow electrolyte design, thermal cutoff, leak detection circuitry |
| Water Requirement | Deionized or distilled water only |
| Compliance | Designed to meet general laboratory safety requirements per IEC 61010-1 |
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