Development and Comparison of Fiber-Optic Beta Radiation Sensors with Different Diameters of Their Sensing Probes

Table 4

Comparison of the measurements by the commercial detector and FORSs.

Detector	Background counts	Critical level	Total counts	Counts per second
Commercial detector; (GM counter)	273	38.49	56967	94.49 ± 0.45
FORS with 26 mm	12367	259.11	15341	25.57 ± 0.40
FORS with 36 mm	12915	264.79	16543	27.57 ± 0.32
FORS with 46 mm	13274	268.45	17004	28.34 ± 0.20