Specifications
| Detector | GM counters |
| Active area of the detector | 80 cm2 |
| Measurement range of beta particles flux density (for Sr-90+Y-90) | 3 ÷ 104 min–1·cm–2 |
| Basic measurement error | ± 20 % |
| Energy range (beta) | 0,3 ÷ 3,5 MeV |
| Counting efficiency: | |
|
25% or more |
|
16% or more |
| Ingress protection | IP54 |
| Overall dimensions, weight | 150×200×110 mm, 1.5 kg |
