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| Brand | Bettersize |
|---|---|
| Origin | Liaoning, China |
| Manufacturer | Bettersize Instrument Co., Ltd. |
| Model | BTPM-MWS1 Constant Temperature & Humidity Weighing System |
| Measurement Method | Gravimetric Filter Weighing |
| Measured Parameters | PM₁₀ / PM₂.₅ / PM₁ |
| Measurement Range | 0–52 mg |
| Cycle Time | 24 h |
| Sampling Flow Rate | 1.0 L/min |
| LOD | 1 µg/m³ |
| Flow Stability | ±1% (not 100%) |
| Pre-conditioning Capacity | 60 × 47 mm filters / 36 × 90 mm filters / 30 filter tips or cartridges |
| Balance Resolution | 0.01 mg (0.001 mg optional) |
| Temperature Control Range | 15–30 °C (±0.5 °C) |
| Humidity Control Range | 40–60 %RH (±3 %RH) |
| Vibration Isolation | 4-stage active/passive damping platform |
| Electrostatic Neutralization | Ionizing air bar (non-radioactive, CE-compliant) |
| Power Supply | AC 220 V / 50 Hz, 2000 W |
| Operating Environment | 10–40 °C, 10–75 %RH |
| Data Interface | Wireless tablet integration with real-time logging and export |
| Brand | Bettersize |
|---|---|
| Origin | Liaoning, China |
| Manufacturer | Bettersize Instrument Co., Ltd. |
| Model | BTPM-AWS2 |
| Measurement Method | Membrane Gravimetry |
| Measured Parameters | PM10, PM2.5 |
| Measurement Range | 0–52 mg/m³ |
| Sampling Cycle | 24 h |
| Sampling Flow Rate | 1.05 L/min ±2% |
| LOD | 1 µg/m³ |
| Flow Stability | ≤±1% over 24 h |
| Balance Resolution | 0.01 mg (10 µg) or optional 0.001 mg (1 µg) |
| Temperature Control Range | 15–30 °C (adjustable, ±0.1 °C stability) |
| Humidity Control Range | 40–60 %RH (adjustable, ±3 %RH stability) |
| Vibration Isolation | Dual-Stage Quadruple-Level Isolation (4-level balance + 4-level chassis) |
| Electrostatic Neutralization | Ionizing air bar (non-radioactive, CE-compliant) |
| Sample Capacity (per cycle) | 200 × 47 mm filters / 100 × 90 mm filters / 60 × filter tips or quartz/ceramic filter tubes |
| Identification Systems | RFID (47/90 mm filters), QR Code (47/90 mm), Barcode (filter tips/tubes), Binary-coded positional encoding |
| Conditioning Time | 0–48 h programmable |
| Water Replenishment Interval | ≤30 days (closed-loop humidification system) |
| Power Supply | AC 220 V / 50 Hz, 2000 W |
| Compliance | HJ 618–2011, HJ 656–2013, HJ 836–2017, ISO 12103-1, ASTM D1856, USP <661>, GLP-aligned audit trail logging |
| Brand | Bettersize |
|---|---|
| Origin | Liaoning, China |
| Manufacturer | Bettersize Instrument Co., Ltd. |
| Model | BTPM-AWS1 |
| Measurement Method | Gravimetric Filter Weighing |
| Measured Parameters | PM10, PM2.5 |
| Measurement Range | 0–52 mg/m³ (as mass loading on filter) |
| Sampling Duration | 24 h per cycle |
| Sampling Flow Rate | 1.05 m³/h (±2% accuracy) |
| LOD | 1 µg/m³ (based on 24-h sampling at 1.05 m³/h and 47 mm filter) |
| Flow Stability | ±0.5% over 24 h |
| Balance Resolution | 0.01 mg (10⁻⁵ g) |
| Temperature Control | 25 ± 1 °C |
| Humidity Control | 50 ± 3 %RH |
| Anti-static System | Integrated ionizing neutralization |
| Vibration Isolation | 4-stage active/passive damping platform |
| Max. Batch Capacity | 80 filters (20 for simultaneous weighing + 40 pre-conditioning) |
| Filter Format | 47 mm diameter, any material (glass fiber, quartz, PTFE, cellulose ester) |
| Enclosure | Sealed laminar-flow chamber with HEPA-filtered air |
| Imaging | Built-in CCD camera (1920×1080, timestamped, metadata-embedded) |
| Noise Level | ≤15 dB(A) |
| Power Supply | AC 220 V / 50 Hz, 2000 W |
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