Monitor 4 Survey Meter
The Moniter 4 is compact, general purpose survey meters capable of detecting.
alpha, beta, gamma, and x-rays over 3 selectable ranges. A red count light flash
and a beep sounds with each event detected. It is Analog meter holds full scale in
fields as high as 100x maximum reading. CPM & Mr/hr scale. Optional Sievert scale meter is available.