LUDLUM MODEL 4525
RADIATION PORTAL MONITOR
OPERATOR’S MANUAL
May 2018
Version 3.7.8
39653N08/39653N09 or higher
39651n31/39651n40 or higher
LUDLUM
MEASUREMENTS, INC.
501 OAK STREET, P.O. BOX 810
SWEETWATER, TEXAS 79556
325-235-9432, FAX: 325-235-8768