YINHEKEJI
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| Brand | YINHEKEJI |
|---|---|
| Origin | Jiangsu, China |
| Model | FCD-50 Standard |
| Power Supply | DC 7.4 V / 8800 mAh Li-ion rechargeable battery |
| Adjustable Flow Rates | 1–10 L/min, 5–25 L/min, or 5–30 L/min (user-selectable) |
| Maximum Negative Pressure | >1000 Pa (metal vane pump) |
| Flowmeter Accuracy | ±2.5% F.S. |
| Flow Stability | ≤5% |
| Timing Accuracy | ±0.01% |
| Operating Noise | <75 dB(A) |
| Ambient Temperature Range | −10 °C to +40 °C |
| Relative Humidity | <95% RH |
| Charging Current | 1000 mA |
| Continuous Operation Time | >8 h |
| Dimensions (L×W×H) | 220 × 135 × 150 mm |
| Weight | 3.5 kg |
| Sampling Modes | Total dust (standard), respirable dust (optional) |
| Display | LCD with menu-driven interface |
| Timer Functions | Programmable start/stop, pause/resume, real-time elapsed time, end-of-sampling alert |