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| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | HD2003 |
| Pricing | Available Upon Request |
| Measurement Range (Radon Concentration) | 100–100,000 Bq/m³ |
| Measurement Range (Radon Exhalation Rate) | 0.001–1.000 Bq/m²·s |
| Sensitivity | ≥1.5 s⁻¹ per (Bq/L) |
| Energy Threshold | 50 keV |
| Nonlinearity | ≤10% |
| Repeatability | ≤10% |
| Stability | ≤5% |
| Operating Temperature | 0–40 °C |
| Relative Humidity | ≤90% RH at 40 °C |
| Lead Chamber Dimensions & Weight | 34 × 15 × 20 cm, 25 kg |
| Control Unit Dimensions & Weight | 50 × 31 × 22 cm, 1.5 kg |
| Calibration & Certification | Certified and calibrated by the National Institute of Metrology (NIM), PRC |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | FD216 |
| Price Range | USD 1,400–4,200 |
| Sampling Method | Active Pump-Driven |
| Measurement Range | 3–100,000 Bq/m³ |
| Minimum Detectable Concentration | 3 Bq/m³ |
| Response Time (Air) | 30 min |
| Detector System | ZnS(Ag) Scintillation Screen Coupled with Photomultiplier Tube (PMT) |
| Sensitivity | ≥0.68 cpm/(Bq·m⁻³) |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (PRC) |
| Model | FT648 |
| Pricing | Available Upon Request |
| Sensitivity | 3.3 Bq/m³ (radon, 95% confidence level) |
| Intrinsic Error | <30% (typical) |
| Background Count Rate | ≤25 cph |
| Power Supply | Sampling Pump Battery: 18 V Ni–Cd |
| Main Unit Battery | 12 V Ni–Cd |
| Operating Temperature | 0–40 °C |
| Detector | Ø65 mm ZnS(Ag) Scintillation Detector |
| Sampling Pump Flow Rate | 30–40 L/min |
| Decay Chamber Volume | 14.8 L |
| Dimensions | Ø170 mm × 800 mm |
| Weight | 18 kg |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | FD218 |
| Price Range | USD 4,200–7,000 |
| Sampling Method | Active Pump-Driven |
| Measurement Range | 2–999,999 Bq/m³ |
| Minimum Detectable Concentration | ≤2 Bq/m³ |
| Response Time | Short |
| Detector | Passivated Implanted Planar Silicon (PIPS) |
| Sensitivity | ≥0.017 cpm/(Bq·m⁻³) [0.63 cpm/(pCi/L)] |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | FD125 |
| Price Range | USD 7,000–14,000 (FOB) |
| Sampling Method | Passive Collection |
| Measurement Range | 0–10 Bq/m³ |
| Minimum Detectable Concentration | 0.01 Bq/m³ |
| Response Time | 300 s |
| Detector Background | ≤100 counts/s |
| Sensitivity Accuracy | ±10% |
| Operating Temperature | 0–45 °C |
| Relative Humidity Limit | ≤95% RH |
| Power Supply | +9–10 V DC for amplifier |
| Weight | 16 kg (excluding scaler unit) |
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