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| Brand | Huifen Instruments |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | ZQHF-300 |
| Hydrogen Generation Principle | PEM-free Alkaline Electrolysis |
| Output Flow Rate | 300–500 mL/min |
| Output Pressure | 43–116 psi (0.3–0.8 MPa) |
| Hydrogen Purity | 99.9995% v/v |
| Power Consumption | 100 W |
| Input Voltage | 220 V AC, 50 Hz |
| Operating Temperature | 0–40 °C |
| Relative Humidity | <85% RH |
| Dimensions | 5U rack-mountable form factor |
| Weight | 12 kg |
| Brand | Huifen Instruments |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | HGZ-300 |
| Output Flow Rate | 0–300 mL/min |
| Output Pressure | 0.4 MPa (≈58 psi, adjustable up to 116 psi per configuration) |
| Hydrogen Purity | ≥99.999% (v/v, O₂-equivalent residual) |
| Power Consumption | 100–150 W (typical operating range) |
| Input Voltage | 220 V AC, 50 Hz |
| Operating Temperature | 0–40 °C |
| Relative Humidity | <85% RH (non-condensing) |
| Dimensions (L×W×H) | 370 × 180 × 360 mm |
| Weight | 12 kg |
| Brand | HUIFEN Instrument |
|---|---|
| Origin | Shandong, China |
| Model | WHG-300 |
| Hydrogen Generation Principle | Pure Water Electrolysis |
| Output Flow Rate | 0–300 mL/min |
| Output Pressure | ~0.4 MPa |
| Hydrogen Purity | ≥99.999% |
| Dimensions | 235 × 430 × 295 mm |
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