GQ GMC-600 Pro
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.
Amazon $298$298
The GQ GMC-600 Pro is the better geiger counter overall, rated 3.4 to 3.0. The GQ GMC-600 Pro leads on features, price and dose-rate range. The GQ GMC-600 Pro costs $662.40 less ($298 vs $960.40).
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.
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
Which should you buy?
- Choose the GQ GMC-600 Pro for features (data logging, phone or cloud connection vs none of the listed features), price ($298 vs $960.40) and dose-rate range (reads up to 4,250 µSv/h vs reads up to 1,100 µSv/h).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every alpha-beta-gamma counters geiger counter; a clear win is highlighted. How we rank explains each one.
| Factor weight | GQ GMC-600 Pro | Medcom Inspector Alert V2 |
|---|---|---|
| Overall rating | 3.4/5 | 3.0/5 |
| Sensitivity 25% | 42 348 CPM per µSv/h (Co-60) | 42 350 CPM per µSv/h |
| Radiation types 20% | 100 gamma, X-ray, beta, alpha | 100 gamma, X-ray, beta, alpha |
| Dose-rate range 15% | 54 reads up to 4,250 µSv/h | 35 reads up to 1,100 µSv/h |
| Features 15% | 70 data logging, phone or cloud connection | 0 none of the listed features |
| Price 15% | 43 $298 | 1 $960.40 |
| Warranty 10% | 0 warranty not published, scored as none | 67 2-year warranty |
Specifications
| GQ GMC-600 Pro | Medcom Inspector Alert V2 | |
|---|---|---|
| Detection | ||
| Detector | Mica window GM tube | Mica window GM tube |
| Tube or crystal | LND 7317 pancake | 45 mm pancake mica window GM tube |
| Radiation types | α β γ X | α β γ X |
| Sensitivity | 348 CPM per µSv/h (Co-60) | 350 CPM per µSv/h |
| Max dose rate | 4,250 µSv/h | 1,100 µSv/h |
| Energy range | from 10 keV | - |
| Gamma spectrum | No | No |
| Features | ||
| Data logging | Yes | No |
| Connection | Wi-Fi | None |
| Battery | 3.7 V rechargeable Li-ion | AA |
| Battery life | - | 3,500 h |
| Build | ||
| Weight | - | 323 g |
| Warranty | - | 2 years |