Page 808 - Radiation Safety
P. 808
Gas-filled Detectors
Geiger-Muller Tube
(a) End window GM probe, energy uncompensated, for alpha, beta and
gamma surveys
(b) Internal GM & external probe for alpha, beta, X or gamma count rates
(c) Internal GM & external probe, can detects gamma underwater
(d) Energy uncompensated & compensated GM (option)
(a) (b) (c) (d)