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| Brand | Derenda |
|---|---|
| Origin | Germany |
| Model | MVS+AFC |
| Instrument Type | 24-Hour Constant-Temperature Constant-Flow Gas Sampler |
| Instrument Architecture | Multi-Channel Gas Sampler |
| Flow Range | 1.0–4.5 m³/h (adjustable) |
| Vacuum Pressure Capability | >800 hPa |
| Nominal Flow Rate | 2.3 m³/h |
| Flow Stability | ±2.0% deviation over 24 h |
| Operating Duration at Max Flow & Backpressure | 1 min–999 h |
| Service Life Under Max Flow & Backpressure | >50,000 h |
| Filter Diameter | 47 mm |
| Power Supply | 220 V ±10%, 50 Hz |
| Power Consumption | 350 VA |
| Dimensions (MVS) | 300 × 250 × 450 mm |
| Dimensions (AFC) | 440 × 310 × 700 mm |
| Weight (MVS) | 22 kg |
| Weight (AFC) | 24.5 kg |
| Noise Level | <62 dB(A) (per DIN 2058, measured at 8 m) |
| Operating Temperature | −30 °C to +50 °C |
| Operating Humidity | 0–100 %RH |
| Ingress Protection Rating | IP55 |
| Brand | Derenda |
|---|---|
| Origin | Germany |
| Model | PNS-90 |
| Flow Range | 80–120 L/min (adjustable) |
| Rated Flow | 100 L/min (6 m³/h) |
| Vacuum Pressure | >800 hPa |
| Flow Stability | ≤±2.0% deviation over 24 h |
| Operating Lifetime at Max Flow & Backpressure | >50,000 h |
| Maximum Continuous Run Time per Cycle | 1 min–999 h |
| Filter Diameter | 90 mm |
| Dimensions | 590 × 415 × 1100 mm |
| Weight | 65 kg |
| Power Supply | 220 V ±10%, 50 Hz |
| Power Consumption | 470 VA (standby) / 570 VA (operational) |
| Max. Power | 600 VA |
| Data Storage Capacity | >1,000,000 records (1-min resolution, configurable) |
| Operating Temperature | −30 °C to +50 °C |
| Operating Humidity | 0–100 %RH |
| Ingress Protection | IP55 |
| Cooling Module | Peltier-based filter storage unit (≤20 °C) |
| Positioning | Dual-mode BeiDou/GPS |
| Compliant Standards | HJ 618–2011, HJ 93–2013, JJG 943–2011 |
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