United States Navy
Measures 0 - 500 Roentgens Per Hour / 3 Range Scales
Measures Gamma, Detects Beta. / Uses a mica end window Geiger Mueller
Manufactured By: Electro-Neutronics
Uses 2 "D" size 1½ volt batteries. Dimensions: 8" x 4" x 3¼"
Serial Number : A-530
Check source is inside housing and controlled by knob on top panel.
Government cost in 1969: $175.52
AN/PDR-43D Radiac Set
Includes: CY-3964/PDR-43D Case S/N: A-530
This unit has been stripped of the check source and some
tubes when surplused.