"An electrically isolated or electronically connected gas-filled radiation detection chamber operated in the ""ionization chamber"" voltage region. It is used with portable survey meters, stationary radiation monitors or analytical counting instruments. The in
| Company | Devices | Share |
|---|---|---|
| Ptw-Freiburg Physikalisch-Technische Werkstätten Dr. Pychlau Gmbh | 137 | 58% |
| Varex Imaging Corporation | 100 | 42% |
| Varex Imaging Nederland B.V. | 1 | 0% |
Company = labeler of record on GUDID. 3 companies in total; top 12 shown. Click headers to sort.
Sample of brand names as labelled; no endorsement. Ask us for the full list with company, model and UDI.
| Code | Name | Devices |
|---|---|---|
| IZO | Generator, High-Voltage, X-Ray, Diagnostic | 103 |
| IYE | Accelerator, Linear, Medical | 100 |
| LHN | System, Radiation Therapy, Charged-Particle, Medical | 37 |
Use these as the dimensions to specify in a tender line.
238 device records in commercial distribution are listed on the FDA Global Unique Device Identification Database (GUDID) under the GMDN category "Ionization chamber radiation measuring probe", from 3 companies. The largest labeler is Ptw-Freiburg Physikalisch-Technische Werkstätten Dr. Pychlau Gmbh with 58% of records.
IZO (Generator, High-Voltage, X-Ray, Diagnostic), IYE (Accelerator, Linear, Medical), LHN (System, Radiation Therapy, Charged-Particle, Medical)
No. GUDID is the US register. For the UAE (MOHAP/DoH) and Saudi (SFDA/MDMA) a separate registration and a local authorised representative are required; Consulting Wallah can check the status and connect you with registered suppliers.
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Source: FDA AccessGUDID (AccessGUDID full release 2 Nov 2026); counts are device records in commercial distribution grouped by GMDN preferred term; companies are labelers of record. Information only — US listing is not a registration in the UAE or GCC; verify with the regulator. © Consulting Wallah — CC BY‑NC‑ND.