Specifications

Detector	gas discharge counter SI-8B
Active area of the detector	30 cm2 (4.65 in2)
Measurement range of beta particles flux density (for Sr-90+Y-90)	20 ÷ 104 min-1·cm-2
Basic measurement error	±20 %
Energy range (beta)	0.12 ÷ 3 MeV
Counting efficiency:
Sr-90+Y-90	45 % or more
Tl-204	20 % or more
C-14	3 % or more
Ingress protection	IP54
Overall dimensions, weight	Ø88×80 mm, 0.4 kg
Telescopic pole length	0.7 m

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