Victoreen CDV-717 Remote Gamma Survey dosimeter
The CDV-717 is a very high-range gamma radiation ionization chamber detecting instrument, manufactured by Victoreen back in 1964.
Victoreen
Repairing a Victoreen CDV-700 6B Dosimeter
Fixing a CDV700 dosimeter can be difficult because original replacement components are not an easy find.
Victoreen CDV700 6B Dosimeter Mod (Audio/BNC Connector)
The CDV700 dosimeter variant 6B (newer) and a few mods to improve functionality: audio connector and bnc connector.