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Frieseke & Hoepfner Contamat FHT 111G Contamination Monitor

Erstellt: 2022-03-16 / GeƤndert: 2022-03-16 / REV 01

The FHT 111G is a contamination monitor ("geiger counter") from the West-German manufacturer Frieseke & Hoepfner. It was designed for civil protection applications and are regularly found on German eBay auctions.

Three different kind of detectors are usable:

I was lucky and got a sold-as-defective but working unit from eBay with the common and popular proportional counter tube. It can be refilled using clean, oil-free off-the-shelf butane gas and has in practical an infinite life when care is taken. The unit was in good visual condition and required only thourogh cleaning.

18650 LiIon Adapter


File Revision History

Release File(s) Changes
2022-03-16 220310000_Contamat_FHT_111G_18650_LiIon_Adapter_REV05.ipt Initial Release of CAD model.

Page Edit History

Date Changes
2022-03-16 Page created. / CC BY-NC-SA 4.0 / Contact