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| Brand | Atomtex |
|---|---|
| Model | AT2140 / AT2140A |
| Type | Personal Dose Rate & Dose Meter (γ-ray) |
| Dose Rate Range (AT2140) | 0.01 μSv/h – 10 mSv/h |
| Dose Rate Range (AT2140A) | 0.01 μSv/h – 100 mSv/h |
| Dose Range | 0.01 μSv – 9.99 Sv |
| Dose Measurement Range | 0.1 μSv – 1.99 Sv |
| Relative Measurement Error | ±15% max. |
| Calibration Accuracy | ±5% max. |
| Sensitivity to ¹³⁷Cs | 1.8 cps/(μSv·h⁻¹) |
| Energy Response Range | 50 keV – 3 MeV |
| Energy Dependence (vs. 662 keV ¹³⁷Cs) | ±30% (AT2140), ±25% (AT2140A) |
| Angular Dependence (±60°, ¹³⁷Cs/⁶⁰Co) | ±25% |
| (²⁴¹Am) | ±60% |
| Response Time (Dose Rate >1 � | Sv/h): ≤10 s (AT2140), ≤5 s (AT2140A) |
| Operating Temperature | −20°C to +50°C (AT2140), −30°C to +60°C (AT2140A) |
| Relative Humidity (non-condensing) | ≤95% at 35°C |
| IP Rating | IP40 |
| Drop Resistance | 1.0 m onto hard surface |
| Power Supply | 2 × AA batteries |
| Battery Life | 5,000 h (AT2140), 10,000 h (AT2140A) |
| Dimensions & Weight | 111 × 70 × 28 mm, 0.11 kg |
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