Radiac Set
IM-85/PDR-27F
IM-85/PDR-27F
Measures 0 - 500 milliroentgens Per Hour / 4 Range Scales
Measures Gamma, Detects Beta. / Uses 2 Geiger Mueller Tubes
Manufactured By: Admiral Corporation
Uses the following batteries:
(4) RG-4B Mercury Cells / (2) 67½ volt type "B" batteries / (1) BA 261/U 22½ volt battery
Dimensions: 10" x 5¾" x 7½"
Serial Number : 6239
Government cost in 1969: $147.75
AN/PDR-27F Radiac Set
Includes: CY-1296/PDR-27F Case S/N: 6239
Technical Manual & Updates / Headphones / Shoulder Strap / Probe Wrench / 5980/BS-2
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.
Inside View
This unit has had some tubes removed.
Note: The AN/PDR-27 series has been replaced by the AN/VDR-2.