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Aneja
Reviewed in the United States on September 26, 2024
Missing calibration certificate
Dann ward
Reviewed in the United States on March 4, 2023
Don’t know what I’m doing with it yet. Bought some uranium glass to test it out but looks like war is coming so I added this to my supplies
Josh L.
Reviewed in the United States on October 17, 2023
I've kept this in a safe, and ordered a radiation card to test it It doesn't detect the radiation on the card. I believe whatever component that is required for this to work correctly must be faulty or bad (or too used) in the one I received.
David Stone
Reviewed in the United States on April 20, 2023
Easy interface. Haven’t come across anything it could detect yet. A good thing I suppose.
Thomas E Hendershot
Reviewed in the United States on June 21, 2022
I use this instrument to detect and measure radiation in dinosaur bones. It works very well for my purposes.
Charles L.
Reviewed in the United States on July 25, 2021
Look at the webpage for used units before buying new. I could have save some $$ by doing this. Very happy with the unit.
Mark Rasmussen
Reviewed in the United States on March 4, 2020
I worked in the nuclear industry and used expensive survey meters for years. This GCA-03 instrument does almost everything those multi-thousand dollar instruments can do, and it passes the same ANSI cert standard. It is extremely easy to use, and I like the toggle switches more than soft keys or touch-screen buttons. Very worth the little bit extra it costs over the really cheap choices out there.
Customer
Reviewed in the United States on February 26, 2017
This device is very accurate and good for detection of radioactive Iodine-129 beta particles. Uranium deposits in limestone bed rock are detectable as well as nuclear waste in waterways from atomic weapons storage and manufacture. It is not safe to live with so much ionizing radiation as thyroid cancer rates are staggering in this part of the country! The GCA-03W confirms my long winded rants regarding high levels of radioactive material in the environment and its adverse affects on our health. I no longer have a thyroid gland due to exposure to radiation in the water, soil and air. Please, scientists, EPA, NRC and federal government, order some of these Images SI Geiger counters, run a few tests, and clean up the mess in Indiana.
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