Radiacode 102
The cheapest way to get a pocket gamma spectrometer with a polished phone app. A great everyday detector for collectors and travellers.
Amazon $249$249
Scintillator1,800 CPM/µSv/h1,000 µSv/h
3.4/5
A sensitive pocket dosimeter that still works in a real emergency. Choose it over a spectrometer if dose readings matter more than isotope identification.
- ScintillatorDetector
- γ XDetects
- 960 CPM per µSv/hSensitivity
- 9,000,000 µSv/hMax dose rate
Check price at Amazon$299
Price checked November 8, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Keeps reading up to 9 Sv/h, far beyond any other detector here
- Tissue-equivalent scintillator gives fair dose readings across energies
- IP64 sealed and pocket-sized at 76 g
Cons
- No gamma spectrum, unlike the other Radiacodes
- No beta or alpha listed
- Amazon stock is on pre-order
How it scores
The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its detector type. How we rank explains each one.
Specifications
| Model number | RCZERO |
|---|---|
| Detection | |
| Detector | Scintillator |
| Tube or crystal | organic plastic scintillator |
| Radiation types | γ X |
| Sensitivity | 960 CPM per µSv/h |
| Max dose rate | 9,000,000 µSv/h |
| Energy range | 30 to 3,000 keV |
| Gamma spectrum | No |
| Features | |
| Data logging | Yes |
| Connection | Bluetooth |
| Battery | 1500 mAh rechargeable |
| Battery life | 200 h |
| Build | |
| Weight | 76 g |
| Ingress rating | IP64 |
| Warranty | 2 years |
| Released | 2026 |
Alternatives in this detector type
Radiacode 103
The Radiacode for people who mainly want isotope identification in a pocket size. If you just want dose readings, the 102 is enough.
Amazon $319$319
Scintillator1,800 CPM/µSv/h1,000 µSv/h
Aranet Radiation
A set-and-forget home radiation monitor with a long battery life and a tidy app. It is not a tool for checking samples.
Amazon $139$139
Solid-state sensor1,000 µSv/h
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