Radiacode 110
The best detector for finding and identifying weak sources, from uranium glass to contaminated finds. Pair it with a high-range meter if you want emergency coverage.
Amazon $399$399
Scintillator4,620 CPM/µSv/h400 µSv/h
4 Radiacode geiger counters ranked. Each one is scored and ranked against every brand in its detector type, so "#3 mid-size" means third of all mid-size geiger counters here, not third among Radiacode's own.
Radiacode makes 4 current geiger counters: 4 scintillation and solid-state. Prices run from $249 for the Radiacode 102 to $399 for the Radiacode 110. Its best-rated model: the Radiacode 110 (#1 of 6 scintillation and solid-state, rated 3.7).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
Radiacode geiger counters 4
- Radiacode 110#1 scintillation and solid-stateFull review
The best detector for finding and identifying weak sources, from uranium glass to contaminated finds. Pair it with a high-range meter if you want emergency coverage.
Amazon $399$399Scintillator4,620 CPM/µSv/h400 µSv/h - Radiacode 102#2 scintillation and solid-stateFull review
The cheapest way to get a pocket gamma spectrometer with a polished phone app. A great everyday detector for collectors and travellers.
Amazon $249$249Scintillator1,800 CPM/µSv/h1,000 µSv/h - Radiacode 103#3 scintillation and solid-stateFull review
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$319Scintillator1,800 CPM/µSv/h1,000 µSv/h - Radiacode Zero#4 scintillation and solid-stateFull review
A sensitive pocket dosimeter that still works in a real emergency. Choose it over a spectrometer if dose readings matter more than isotope identification.
Amazon $299$299Scintillator960 CPM/µSv/h9,000,000 µSv/h
