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From the brand
Test Card
Geiger Counter Test Card Front & back of card Ideal for testing all sorts of radiation detection equipment.
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Area 51:
Area 51, the top secret research complex in the middle of the Nevada desert. Home to the most classified projects and research in the United States. Below you’ll find some items related to the facility and research projects in the surrounding areas.
Product Dimensions : 2 x 4 x 0.2 inches; 0.35 Ounces
Date First Available : January 7, 2021
Manufacturer : United Nuclear
ASIN : B08SDTNC2X
It consists of a card with a small radioactive source attached to the back. The card is enclosed in 4 mil plastic making it waterproof and durable. The card does not need to be removed from the plastic enclosure to use.
Simply place your radiation detection instrument (or its probe) on the rear of the card and you will instantly know if your Geiger counter is operating.
The Geiger Counter Test Sample provides low-level Gamma & Beta radiation which is easily picked up by common radiation detectors. Works with all standard Geiger counters.
Please note: The color on the back of the test cards can change depending on the material being used. Do not worry you will still experience the same effects/results regardless of the material color.
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