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| Brand | Sunnuclear |
|---|---|
| Origin | USA |
| Model | 1028 XP |
| Sampling Method | Active Airflow |
| Detection Limit | 0.1 pCi/L |
| Detection Principle | Electrostatic Collection |
| Sensitivity | 2.7 cph per pCi/L |
| Measurement Range | 0.1–9999 pCi/L (3.7–370,000 Bq/m³) |
| Uncertainty (24-hr) | ±7% |
| Display | 2.8" Color TFT Touchscreen |
| Data Storage | 10,000 Records |
| Battery Life | ~300 h (4×AA Alkaline) |
| Dimensions | 19 × 12 × 7.3 cm |
| Weight | 616 g |
| Certifications | NRPP, C-NRPP, NRSB |
| Brand | Sunnuclear |
|---|---|
| Origin | USA |
| Model | 1030 |
| Detector Type | Diffusion-based silicon photodiode (6-channel) |
| Measurement Interval Options | 0.5, 1, 2, 4, 8, 12, 16, 20, 24 h |
| Delay Options | 0, 12, 24, 48 h |
| Duration Options | 1–100 days or long-term mode (up to 1650 measurement intervals |
| Sensitivity | 15 cph per pCi/L |
| Accuracy | ±20% relative to NIST SRM 4973 |
| Operating Temperature | 7–35 °C (45–95 °F) |
| Relative Humidity Range | 0–95% RH |
| Pressure Range | 69–103 kPa (20.4–30.5 inHg) |
| Radon Measurement Range | 0.1–9999 pCi/L (3.7–369,996 Bq/m³) |
| Display | 16-character LCD with 6-button interface |
| Power | 4× C-cell alkaline batteries (≥350 h runtime) or 5 V DC USB adapter (110–230 V AC, 50/60 Hz) |
| Dimensions (W×L×H) | 5.5×9.6×4.4 in |
| Weight | 3.75 lb |
| Environmental Sensors | Integrated temperature (±1 °C), humidity (±5% RH, 1% resolution), pressure (±3.4 kPa, 0.14 kPa resolution) |
| Certifications | NRSB, NRPP, and C-NRPP accredited |
| Data Interface | USB 2.0 (cable included) |
| Storage Slots | 2 independent test slots |
| Tamper Detection | Built-in sensor |
| Mounting | Standard tripod thread (¼"-20) |
| Brand | BJBY |
|---|---|
| Origin | Beijing, China |
| Model | JC-RAD-14 |
| Sampling Method | Active Pump-aspiration |
| Measurement Range | Air Radon: 3–150,000 Bq/m³ |
| Soil Radon | 300–400,000 Bq/m³ |
| Radon Exhalation Rate | 0.001–10.000 Bq/(m²·s) |
| Water Radon | 0.003–100 Bq/L |
| Detection Repeatability | ≤5% (at 1800 Bq/m³, 65% RH, 25°C) |
| 8-h Drift | ≤10% |
| Power | Rechargeable Li-ion battery (≥30 h continuous operation) or AC adapter |
| Operating Temperature | −10°C to +40°C |
| Relative Humidity | ≤98% RH |
| Display | Backlit dot-matrix LCD |
| Data Storage | >200,000 records |
| Flow Rate | Up to 3 L/min (peak) |
| Communication Interfaces | USB, RS232, RS485, TCP/IP, Industrial Wireless |
| Inlet/Outlet Fittings | Anodized Aluminum |
| Self-background Count Rate | ≤0.3 cpm |
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