The DX-1 Radiation Monitor detects Beta, Gamma, and X-radiations. The counter emits audible clicks from its internal loudspeaker and registers radioactivity on a compressed scale analog meter (see right) up to 10 mR/hr, compacting several ranges into one, available at a glance.
In addition to the audible clicks, at high radiation levels, the speaker beeps, indicating obvious danger. The beeping begins at about 20 mR/hr, with intervals between beeps decreasing in relation to field strength, becoming a continuous tone at 200 mR/hr. Play this sound file.
The DX-1 includes an easily replaceable, yet long-lasting 9 volt battery. A single pushbutton activates the DX-1 only when needed, as seen in the picture above, and thus conserves battery power. An LED indicator reassures you of battery condition upon each use. The DX-1 is ruggedly constructed and continues to operate in a saturation environment.
The DX-1 is a good Pocket Geiger Counter - affordable, simple to use, and all that is needed for a basic determination of whether or not something is radioactive. Purchase the DX-1 above, or if you would like to consider the similar, but higher ranging DX-2 model, choose that from Related Products.
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Specifications for the DX-1 Pocket Geiger Counter