Description
| type of detector | 6 proportional counting tubes which are flat and flow gas type |
| type of monitoring rays |
α、β |
| displaying unit |
Bq/cm2 adn cps |
| sensitive area of the detector |
hand 300 cm2，foot 450 cm2；total area is about 2000 cm2 |
| the efficiency(toα、β)≥30% | |
