Mazur PRM-9000
A well-built pancake survey meter for contamination checks and collectors. It is good, but it is expensive for what the tube delivers.
Amazon $699$699
Mica window GM tube350 CPM/µSv/h1,250 µSv/h
3.4/5
The best value alpha-capable counter, with the same pancake tube as meters costing twice as much. A strong pick for checking surfaces, glass and minerals.
- Mica window GM tubeDetector
- α β γ XDetects
- 348 CPM per µSv/h (Co-60)Sensitivity
- 4,250 µSv/hMax dose rate
Check price at Amazon$298
Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Pancake tube picks up alpha, beta, gamma and X-rays
- Wi-Fi uploads readings to an online map
- The cheapest LND 7317 pancake counter here by a wide margin
Cons
- Warranty term not published
- The thin mica window is fragile and needs care
- The manual covers it under the GMC-600+ name
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 | GMC-600 Pro |
|---|---|
| Detection | |
| Detector | Mica window GM tube |
| Tube or crystal | LND 7317 pancake |
| Radiation types | α β γ X |
| Sensitivity | 348 CPM per µSv/h (Co-60) |
| Max dose rate | 4,250 µSv/h |
| Energy range | from 10 keV |
| Gamma spectrum | No |
| Features | |
| Data logging | Yes |
| Connection | Wi-Fi |
| Battery | 3.7 V rechargeable Li-ion |
Alternatives in this detector type
Radiation Alert Monitor 200
A compact professional survey meter that reads all four radiation types. Hobbyists get more sensitivity for less with a pancake-tube counter.
Amazon $799.95$799.95
Mica window GM tube107 CPM/µSv/h2,000 µSv/h
Medcom Inspector Alert V2
A trusted professional pancake meter for contamination surveys. It is worth it if you need the name; the GQ GMC-600 Pro does most of the same for far less.
Amazon $960.40$960.40
Mica window GM tube350 CPM/µSv/h1,100 µSv/h
Compare
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