Score

The Geiger counter receives a moderate score due to its affordability and functionality as a basic radiation alert device, but numerous reviews highlight significant issues with accuracy, build quality, and reliability, with some units arriving defective. Despite complaints of inconsistent readings and a tendency to malfunction, some users still find it to be a useful tool for casual use.

4.4/10
Overall

Pros

  • โ€ขEasy to use, making it accessible for both amateur enthusiasts and professionals.
  • โ€ขOffers an LCD display with backlit features for clear readings.
  • โ€ขComes with a rechargeable battery, providing decent battery life for prolonged use.
  • โ€ขSupports data logging, allowing users to keep track of readings over time.
  • โ€ขRugged and durable, designed to withstand regular use.

Cons

  • โ€ข25% of reviews mention inaccurate readings, which questions its reliability.
  • โ€ขSensitivity to low radiation might not meet all user needs.
  • โ€ขSome users report issues with screen damage (9% of reviews).
  • โ€ข25% of reviews mentioned battery issues, indicating potential concerns with longevity.
  • โ€ขBuild quality issues might affect lonerm durability.

Bottom Line

The GQ GMC-300S offers essential features like ease of use and data logging at an affordable price, appealing to both hobbyists and professionals. However, issues with accuracy and screen reliability mean you should consider if these are deal-breakers for your specific needs before purchasing.

Lowest at Amazon
$67.98 at Amazon
Lowest at any Popular Retailer
$56.00 at Walmart

Where to Buy

Prices last updated: June 23rd 2025 2:21 am
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