Monitor 4 & 4EC

Handheld Radiation Alert® Detector

The M4 and M4EC are compact, ergonomic, general purpose survey meters capable of detecting alpha, beta, gamma, and X-rays over 3 selectable ranges.  A red count light flashes and a beep sounds with each event detected.  The Monitor 4EC offers a more linear reading for gamma and X-rays (above 40 keV).




Energy Sensitivity

Operating Range

Range Switch

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