DX-1 Handheld Radiation Monitor (0-10 mR/hr) Preheat Both are equally compatible and

Both are equally compatible and interchangeable

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DX-1 Handheld Radiation Monitor (0-10 mR/hr) Preheat Both are equally compatible andThe DX 1 instantly indicates levels of beta, gamma, and X ray radiation by audible clicks from an internal speaker and by the compressed scale meter. At higher radiation levels the speaker beeps, indicating elevated radiation levels. The beeping will begin above 10 mR hr, intervals between beeps decreasing in relation to field strength, becoming a continuous alerting tone above 20 mR hr. A single push button activates the DX 1 geiger counter only when