Radon Detectors
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| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | 1027 |
| Sampling Method | Active (Pump-Driven) |
| Measurement Range | 0.1–999 pCi/L (3.7–37,000 Bq/m³) |
| Minimum Detectable Concentration | 0.1 pCi/L |
| Sensitivity | 2.5 counts per hour per pCi/L (cph/pCi/L) |
| Accuracy | ±25% or ±1 pCi/L (whichever is greater) |
| Display | 3-digit LCD |
| Power Supply | 220 VAC / 9 VDC adapter |
| Dimensions | 200 × 120 × 65 mm |
| Weight | 0.9 kg |
| 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 |
| Brand | CNCS (China Nuclear Control System) |
|---|---|
| Origin | Beijing, China |
| Model | FD125 |
| Detection Principle | ZnS(Ag)-based Scintillation Counting |
| Measurement Targets | Radon-222 (²²²Rn), Thoron-220 (²²⁰Rn), and Radium-226 (²²⁶Ra) in air, water, ore, and underground environments |
| Scintillation Chamber | Dual hemispherical acrylic chambers coated with ZnS(Ag) |
| Background Count Rate | ≤100 cps (unexposed chamber) |
| Leak Rate | ≤1.33×10³ Pa/10 min at residual pressure of 1.33×10⁴ Pa |
| Repeatability Error | ≤±10% under optimal conditions |
| Environmental Operating Range | 0–45°C, up to 95% RH |
| Power Supply | +9–10 V DC for amplifier |
| Weight | 16 kg (excluding scaler unit) |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | RAD7 |
| Sampling Method | Active Sampling |
| Detection Range | 3.7–74,000 Bq/m³ (0.1–20,000 pCi/L) |
| Minimum Detectable Concentration | 3.7 Bq/m³ (0.1 pCi/L) |
| Sensitivity | 12.8 counts/min per Bq/m³ (air monitoring mode) |
| 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) |
| 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 (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 (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 (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 |
| Brand | PKSAIR |
|---|---|
| Model | Radon 400 |
| Origin | Beijing, China |
| Detection Principle | Pump-Driven Electrostatic Collection of RaA (²¹⁸Po) |
| Measurement Range | 0–1,000,000 Bq/m³ |
| Minimum Detectable Concentration | 0.01 Bq/m³ |
| Response Time | Adjustable from 5 to 99 min (default fast mode: 15 min) |
| Detector Type | α-Sensitive Silicon Semiconductor Detector (γ-Insensitive) |
| Sensitivity | 50 cpm per Bq/m³ |
| Sampling Flow Rate | 1.0 L/min ±5% |
| Uncertainty | <15% (at Rn ≥ 200 Bq/m³) |
| Measurement Chamber Volume | 0.8 L |
| Data Storage Capacity | 1,000 records |
| Power Supply | Internal 7.4 V / 10,000 mAh Li-ion Battery |
| Operating Temperature | −20 °C to +45 °C |
| Relative Humidity Limit | ≤95% RH (non-condensing) |
| Dimensions | 390 × 380 × 245 mm |
| Weight | 6.4 kg |
| Compliance | GB/T 14582–1993, GB 50325–2020, JJG 825–2013 |
| Brand | Sanpu |
|---|---|
| Model | FD216 |
| Origin | Beijing, China |
| Manufacturer | Sanpu Instrument Co., Ltd. |
| Detection Principle | ZnS(Ag) Scintillation + Photomultiplier Tube (PMT) |
| Measurement Modes | Active Pump-Driven Air/Solid/Water Sampling |
| Sensitivity | ≥0.68 cpm/(Bq·m⁻³) |
| Background Count Rate | ≤0.3 cpm |
| Radon-in-Air Range | 3–100,000 Bq/m³ |
| Soil Radon Range | 300–300,000 Bq/m³ |
| Radon Exhalation Rate Range | 0.001–10.000 Bq/(m²·s) |
| Water Radon Range | 0.003–100 Bq/L |
| Repeatability Error | ≤5% (at 2000 Bq/m³, 65% RH, 25°C) |
| 8-h Drift | ≤10% |
| Power Supply | Rechargeable Li-ion battery (30 h continuous operation) or AC adapter |
| Operating Temp | −10°C to +40°C |
| Max. Relative Humidity | ≤90% at +40°C |
| Data Storage | 2000 records |
| Display | LCD |
| Interface | USB + Bluetooth printing |
| Dimensions | 330 × 210 × 170 mm |
| Weight | 5 kg (main unit) |
| Calibration & Traceability | Certified by National Institute of Metrology (NIM), China |
| Brand | SARAD |
|---|---|
| Origin | Germany |
| Model | RTM 1688-2 |
| Sampling Method | Active sampling |
| Measurement Range | 0–10 MBq/m³ |
| Detection Limit | Not specified (contextually implied as sub-10 Bq/m³ in slow mode) |
| Response Time | 95% in 12 min (fast mode) |
| Flow Rate | 0.30 L/min |
| Detector Type | Integrated semiconductor alpha spectrometer with electrostatic collection chamber |
| Sensitivity | 3 cpm/(Bq/m³) (fast mode) / 7 cpm/(Bq/m³) (slow mode) |
| Chamber Volume | ~250 mL |
| Humidity Independence | Yes, no desiccant required |
| Data Storage | 2047 measurement records |
| Compliance | Designed for ISO 11665 series, ICRP recommendations, and EPA/WHO radon assessment protocols |
| Brand | SARAD |
|---|---|
| Origin | Germany |
| Model | RTM2200 |
| Sampling Method | Active |
| Measurement Range | 0–10,000,000 Bq/m³ |
| Minimum Detectable Concentration | 1 Bq/m³ |
| Response Time | 12 min (Po-214 excluded) / 120 min (Po-214 included) |
| Detector Type | Silicon semiconductor alpha spectrometer with deep ion implantation |
| Sensitivity | 3.2 cpm/(kBq/m³) (Po-214 excluded) / 7 cpm/(kBq/m³) (Po-214 included) |
| Chamber Volume | ~135 mL |
| Built-in Pump Flow Rate | 300–800 mL/min |
| Operating Interface | 240 × 128 pixel graphical touchscreen |
| Data Storage | SD card with GPS tagging (optional) |
| Communication Interfaces | USB, RS232 (supports GSM modem, ZigBee, or Wi-Fi adapter upgrade) |
| Dimensions | 235 × 140 × 255 mm |
| Environmental Sensors (standard) | Air temperature, relative humidity, flow rate, barometric pressure, battery status |
| Brand | Senbe |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Manufacturer |
| Product Origin | Domestic |
| Model | FD216 |
| Sampling Method | Active Pump-Driven Sampling |
| Measurement Range (Air Radon) | 3–100,000 Bq/m³ |
| Minimum Detectable Activity | 3 Bq/m³ |
| Response Time (Air) | 30 min |
| Detector | ZnS(Ag) Scintillation Screen Coupled with Photomultiplier Tube (PMT) |
| Sensitivity | ≥0.68 cpm/(Bq·m⁻³) |
| Background Count Rate | ≤0.3 cpm |
| Repeatability Error | ≤5% (at 2000 Bq/m³, 65% RH, 25°C) |
| Stability | ≤10% drift over 8 h |
| Power Supply | Rechargeable Li-ion Battery (30 h continuous operation) or AC Adapter |
| Operating Temperature | −10 to +40 °C |
| Relative Humidity | ≤90% at +40 °C |
| Data Storage Capacity | 2000 records |
| Display | LCD |
| Dimensions | 330 × 210 × 170 mm |
| Weight | 5 kg (main unit) |
| 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 | Xinxianda |
|---|---|
| Model | KJD-2000R |
| Detection Principle | Electrostatic Collection + Alpha Spectrometry |
| Radionuclides | ²²²Rn and ²²⁰Rn |
| Measurement Range | 3.7–925,000 Bq/m³ (0.1–25,000 pCi/L) |
| Detection Sensitivity | 0.2 CPM/pCi/L |
| Pump Flow Rate | 1 L/min |
| Measurement Duration | 10 min (soil), 60 min (air or water) |
| Uncertainty | ≤10% (k=2) |
| Data Storage | 1,000 alpha spectra |
| Power Supply | 12 V/7 Ah rechargeable battery (≥10 h operation) or AC 220 V |
| Operating Environment | 0–50 °C, ≤95% RH |
| Dimensions | 300 × 200 × 180 mm |
| Weight | 5 kg |
| Detector Type | Passivated implanted planar silicon (PIPS) alpha spectrometer with gold-silicon surface barrier configuration |
| Calibration Sources | Certified radon chamber or liquid ²²⁶Ra standard |
| Brand | YUFENGRUILIN |
|---|---|
| Model | YFR-105 |
| Measurement Principle | Diffusion-type scintillation cell |
| Detection Range | 5–100,000 Bq/m³ |
| Minimum Detectable Concentration | 5 Bq/m³ |
| Uncertainty | ±15% (k=2) |
| Response Time | ≤30 min (typical), down to 10 min under optimized conditions |
| Power Supply | Rechargeable 5000 mAh Li-ion battery (48 h continuous operation) + AC adapter |
| Operating Environment | −10 °C to +40 °C, ≤90% RH |
| Dimensions | 140 × 170 × 60 mm |
| Weight | 0.8 kg |
| Data Storage | 19,999 measurement records |
| Communication Options | Optional RS-485 interface (customizable for continuous online monitoring), optional Bluetooth printer support |