United Nuclear Geiger Counter Test Card
- Ideal for testing all sorts of radiation detection equipment, our inexpensive Geiger Counter Test Sample is handy, easy to use, and safe..
- 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..