Zhanhai
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| Brand | Zhanhai |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | PAB-6000 |
| Configuration | Dual-Channel or Quad-Channel |
| Detection Principle | Gas Proportional Counting (P-10 gas, 90% Ar + 10% CH₄) |
| Background Count Rate | ≤0.25 cpm per channel (α), ≤0.55 cpm per channel (β) |
| Minimum Detectable Activity (MDA) | ≤0.04 Bq/kg (α), ≤0.12 Bq/kg (β) for 1000-min counting |
| Sample Chamber Dimensions | Ø80 mm × 40 mm (per channel) |
| Detector Type | Ultra-low-background cylindrical proportional counters with active anti-coincidence shielding |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Operating Temperature | 10–35 °C |
| Relative Humidity | ≤85% RH (non-condensing) |
| Data Output | USB 2.0, RS-232 |
| Compliance | GB/T 11682–2002, JJG 853–2013, ISO 8769:2017, ASTM D3648-19 |