United States Navy
Radiac Set
IM-209/PDR-27FX
IM-209/PDR-27FX
Measures 0 - 500 milliroentgens Per Hour / 4 Range
Scales
Measures Gamma, Detects Beta. / Uses 2 Geiger Mueller Tubes
Manufactured By: Admiral Corporation
Uses 5 "D" size 1½ volt batteries.
Dimensions: 10" x 5¾" x 7½"
Serial Number : 573
Government cost in 1969: $147.75
AN/PDR-27FX Radiac Set
Includes: CY-1296/PDR-27F Case S/N: 573
Technical Manual & Updates / Headphones / Shoulder Strap / Probe
Wrench
Field Change 1 : Permits the operation of the 5980/BS-2
GM tube on all ranges.
Field Change 2 : Increases the time constant of the indicating circuit.
Field Change 5 : Convert to use 5 "D" size 1½
volt batteries.
Inside View
Note: The AN/PDR-27 series has been replaced by the AN/VDR-2.