✦ Versatile Detection Capabilities: Detects γ ray, X ray and β ray types of radiation, making it a versatile tool.
✦ Hydrogen Cyanide Detector|Air Quality Tools|High Precision Geiger-Miller Counter: Equipped with a high-precision Geiger-Miller counter for accurate detection of ionizing radiation.
✦ Wide Energy Range Detection: Detects a broad energy range from 48keV to 1.5Mev with ±30% accuracy for 137Cs-
✦ Multiple Alarm Modes: Features light, vibration, and sound alarms for immediate alerts on radiation levels.
✦ Extensive Dose Equivalent Measurement: Measures cumulative dose equivalent from 0.00μSv to 500.0mSv with precision.
The device should be stored in a soft case, and the operating environment should be at a temperature of -5~40℃, and the relative humidity should not exceed 80%.
The device should be stored in a clean and dry place to avoid moisture, mold, heavy pressure, mechanical damage,humidity and direct sunlight.
Avoid using in the rain or fog, avoid dropping or shocking.
When the screen on the LCD does not light up, it indicates that the voltage is too low, and it needs to be charged in time.
The product specifications are subject to change without notice, allfinal interpretation rights were reserved by FNIRSI Technology Co., Ltd, All trademarks, product images,technical parameters are properties of FNIRSI Technology Co.. Ltd. All rights reserved.
30-Day return and refund guarantee (Refer to our Refund Policy), 2-year warranty (only available for orders purchased directly from fnirsi.com), lifetime technique support by FNIRSI.
Please feel free to reach us with any concerns:
Email: service@fnirsi.com / info@fnirsi.com
We strive to reply to you within 24 hours.
FNIRSI has started researching and development manufacturer of quality optical products including Golf rangefinder, laser,measure device and binoculars since 2016.
Focus on the development,researching, and manufacturing for over 8 years.
We are committed to delivering premium products and exceptional customer service, striving to be your most reliable and intelligent assistant.
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Arrived on time. Well packaged. Easy to use. I had a small problem. When the battery was low, I put it on charge but couldn't turn it on after that. I couldn't find any troubleshooting in the instructions. Finally, I noticed a small hole to the right of the connector through which I was able to click the reset button. After that, it works properly.
Very nice product, unlike cheap knock off which are being sold on Aliexpress.
The GM is decently sensitive and does the job.
You should consider implementing the superb firnware developed by Gissio and available on Github: it really boost the geiger counter into professional range
One more disappointing feature—or lack thereof—is that the unit does not emit the characteristic click sound when detecting radiation. To get this functionality, I would either need to modify the hardware myself or load new firmware, which, as mentioned earlier, is problematic due to the USB issues. This missing feature is a letdown for those who expect audible feedback from a radiation meter.
Thank you for your feedback on the FNIRSI GC01 Radiation Meter. We appreciate your suggestions and will take them into account for future product improvements.
Quite a beautiful device, was not able to test it yet hehe
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