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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 |
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic |
| Model | TFC-30 |
| Pricing | Upon Request |
| Flow Rate Options | 5–30 L/min, 3–30 L/min, 1–15 L/min, 5–25 L/min |
| Flow Accuracy | ≤ ±5% |
| Timing Accuracy | ≤ ±1‰ |
| Maximum Negative Pressure | ≥15,000 Pa |
| Charging Current | 300 mA |
| Power Supply | 10 V DC / 220 V AC, 50 Hz |
| Operating Temperature | −25 to +45 °C |
| Noise Level | ≤60 dB(A) |
| Relative Humidity | ≤85% RH |
| Dimensions | 200 × 160 × 140 mm |
| Battery | Built-in Ni-MH rechargeable battery (fully charged voltage ≈12 V, runtime ≈4 h continuous) |
| Display | LCD with real-time countdown and flow indication |
| Control | Microprocessor-based timer with pause/resume function, programmable 00:00–99:59 (hh:mm) countdown |
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