$400 - $500, Analog Detectors, SE International

Monitor 4USB Handheld Radiation Alert Detector with Mini-USB Option by SE International

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). Click here for Monitor 4 without USB option.

Monitor 4EC Handheld Radiation Alert Detector by SE International

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).Click here for Original Monitor 4. Click here for USB Model.

Both Detect beta at 50 keV with typical 35% detection efficiency and beta at 150 keV with typical 75% detection efficiency.

Monitor 4:

Monitor 4EC:

Monitor 4 Handheld Radiation Alert Detector by SE International

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).Click here for Original Monitor 4. Click here for USB Model.

Both Detect beta at 50 keV with typical 35% detection efficiency and beta at 150 keV with typical 75% detection efficiency.

Monitor 4:

Monitor 4EC:

MC1K Handheld Radiation Alert Detector by SE International

The new ergonomic MC1K is a handheld survey meter using a built-in energy compensated GM detector. It detects gamma and x-rays up to 1000 mR/hr over 4 selectable ranges. A beep sounds and a count light flashes with each event detected.

Monitor 4ECUSB Handheld Radiation Alert Detector with Mini-USB Option by SE International

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). Click here for Monitor 4 without USB option.