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| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Distributor |
| Origin Category | Domestic |
| Model | RH800 |
| Pricing | Upon Request |
| Detector | GM Tube |
| Energy Response | ±30% (50 keV–1.3 MeV) |
| Dose Equivalent Rate Range | 0.01 µSv/h–1.00 mSv/h |
| Cumulative Dose Equivalent Range | 0.01 µSv–99.99 mSv |
| Measurement Time | 5 s |
| Relative Error | ±20% (¹³⁷Cs) |
| Alarm Threshold | User-Configurable |
| Power Supply | Two AA batteries |
| Current Consumption | <2 mA |
| Operating Temperature | −10 °C to +40 °C |
| Temperature Drift | ±10% |
| Humidity Drift | ±15% at 95% RH (+40 °C) |
| Dimensions | 118 × 65 × 25 mm |
| Weight | <100 g |
| Origin | Japan |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | NRF31 |
| Pricing | Available Upon Request |
| Detection Radiation Types | Gamma (γ) and X-rays, Neutrons |
| Detector Technology | Silicon Semiconductor |
| Dose Equivalent Range | 1 μSv – 9.999 Sv (0.1 mrem – 999.9 rem) |
| Accuracy | ±10% for γ/X-rays (0.1 mSv – 9.999 Sv, ¹³⁷Cs) |
| Energy Range | γ/X-rays: 35 keV – 6 MeV |
| Neutrons | 0.025 eV – 15 MeV |
| Energy Dependence | ±20% (γ/X), ±50% (neutrons) |
| Angular Dependence | ±20% (γ/X), ±30% (neutrons) |
| Battery Life | >1 year (8 h/day usage) or >4 months (continuous operation) |
| Dimensions | 60 W × 78 H × 33 D mm |
| Mass | ~125 g |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Domestic Product Classification | Domestic (PRC) |
| Model | FJ-403GI |
| Pricing | Upon Request |
| Measurement Quantity | Personal Dose Equivalent Hp(10) |
| Dose Range | 0.01 µSv – 9999 mSv |
| Dose Rate Range | 0.1 µSv/h – 200 mSv/h |
| Communication Interface | Infrared (IR) Data Transfer |
| Power Supply | Two AA 1.5 V alkaline batteries or one 3.6 V high-energy lithium battery |
| Battery Life | Up to 1000 hours (at background radiation, 1.5 V) |
| Data Storage Capacity | 160 dose history records (time-stamped, auto-logged) |
| Alarm Functions | Configurable dose rate threshold, cumulative dose threshold, and incremental dose audio alert |
| Compliance | Calibrated to ICRP-defined Hp(10) |
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