2X2 NaI detector used for measuring very low levels of gamma radiation. Can be used with a standard meter with HV adjustability. If you have a specific connector you want, let us know.
Typically paired with an instrument like a Ludlum Model 2221, 2350, or 2360 for walkover surveys.
Can be used to screen for low levels of radioactivity.
Can readily measure variations in background radioactivity.
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