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| Brand | Derenda |
|---|---|
| Origin | Jiangsu, China |
| Model | AWS-1RE |
| Measurement Method | Filter Gravimetry |
| Measurable Parameters | PM₂.₅, PM₁₀, TSP, Low-Concentration Sampling Heads, No. 3 Impingers |
| Temperature Control Range | 15–30 °C (±0.5 °C) |
| Relative Humidity Control Range | 40–60 %RH (±5 %RH) |
| Cleanroom Class | ISO 14644-1 Class 6 |
| Max Throughput | 225 × 47 mm filters / 105 × 90 mm filters / 45 × No. 3 impingers per batch |
| Weighing Time per Filter | ≤20 s |
| Electrostatic Dissipation Efficiency | ≥92% |
| Balance Readability | 0.001 mg (optional 0.0001 mg) |
| Repeatability | 0.003 mg |
| Linearity Error | 0.02 mg |
| Vibration Isolation | Four-Tier Passive Damping System |
| Filter Identification | RFID + QR/Barcode |
| Data Compliance | ASTM D1357, ISO 12103-1, US EPA QA/QC Document 2.12, HJ 656–2013, EN 12341:2014, EN 14907:2005 |
| Brand | Derenda |
|---|---|
| Origin | Jiangsu, China |
| Model | MWS-2 |
| Measurement Method | Filter Gravimetric Method |
| Measured Parameters | TSP / PM₁₀ / PM₂.₅ / PM₁ |
| Compliance | HJ 836–2017, HJ 656–2013, EN 12341:2014, US EPA 40 CFR Part 86/1065, EPA QA Document No. 2.12 (Ambient Air Quality) |
| Sample Capacity (per batch) | 80 × 47 mm filters (160 with optional storage tower), 30 × 90 mm filters (60 with tower), 24 × low-concentration samplers (48 with tower), 24 × No.3 impinger tubes (48 with tower) |
| Temperature Control Range | 15–30 °C (±0.1 °C stability) |
| Humidity Control Range | 40–55 %RH (±2 %RH accuracy) |
| Dew Point Stability | ±0.1 °C |
| Chamber Cleanliness | ISO 14644 Class 6 |
| Weighing Instrument Options | Analytical balance with readability down to 0.01 mg (10 µg) or 0.001 mg (1 µg), integrated anti-vibration platform with decoupling architecture |
| Electrostatic Neutralization | Ionizing air blower (radiation-free, 100% neutralization efficiency per cycle) |
| Identification | QR code, barcode, and optional RFID encoding (chip embedded in sample holder ring) |
| User Interface | Ergonomic front access ports, large transparent viewing panel, built-in control software with audit-trail-capable database |
| Power | 220 V ±10%, 50 Hz, 1000 W |
| Dimensions | 1180 mm (L) × 800 mm (W) × 2000 mm (H) |
| Weight | 400 kg (including climate module) |
| Brand | Derenda |
|---|---|
| Model | MDM-2 |
| Measurement Principle | Laser Light Scattering (Nephelometry) |
| Measured Parameters | PM₁, PM₂.₅, PM₁₀ |
| PM₂.₅ Range | 0–2500 µg/m³ |
| PM₁₀ Range | 0–5000 µg/m³ (calculated from PM₂.₅) |
| Minimum Detection Limit | 2 µg/m³ |
| Resolution | 0.1 µg/m³ |
| Sampling Flow Rate | ≥0.15 L/min (typical 0.3 L/min) |
| Measurement Interval | 2 s |
| Response Time | ≤5 s |
| Accuracy (24-hr avg) | ±15% |
| Power Supply | Rechargeable Li-ion Battery |
| Battery Life | Up to 8 h |
| Dimensions | 220 mm × 90 mm × 85 mm |
| Weight | ~600 g |
| Data Storage & Transmission | microSD card, 3G/4G module |
| Integrated Sensors | Barometric Pressure, Altitude |
| Display | Color TFT Touchscreen |
| Expected Photometer Lifetime | 5 years |
| Compliance | Designed for field-deployable ambient air monitoring per ISO 12103-1 reference aerosol compatibility and aligned with EPA EQPM-0709-192 performance expectations for portable PM monitors |
| Brand | Derenda |
|---|---|
| Origin | Germany |
| Model | APM-2E |
| Measurement Principle | Laser Light Scattering |
| Measured Parameters | PM₁₀ / PM₂.₅ |
| Measurement Range | 0–2500 µg/m³ |
| Minimum Detection Limit | 1 µg/m³ |
| Measurement Interval | 5 s |
| Flow Stability | ±5% |
| Resolution | 0.1 µg/m³ |
| Operating Temperature | −30 °C to +50 °C |
| Operating Humidity | 0–100 %RH (with automatic heating dehumidification) |
| Acoustic Noise | <35 dB(A) (per DIN 2058, at 8 m) |
| Power Supply | AC 220 V ±10 %, 50/60 Hz |
| Enclosure Rating | IP65 |
| Dimensions | 300 × 250 × 480 mm |
| Weight | 15 kg |
| Brand | Derenda |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic |
| Model | MWS-3 |
| Price | USD 1 (FOB) |
| Measured Parameters | TSP / PM₁₀ / PM₂.₅ |
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