S.E. INTERNATIONAL Monitor 4 - Radiation Monitor (Custom Rigged for Self-Contained/Simulated Operation)

Circa 1990 to 2005

A compact, analog Geiger counter designed for general-purpose radiation detection that has been custom rigged to provide simulated operation.

Operational Features:

To indicate radiation levels, a hidden rear pushbutton deflects the analog meter and illuminates a red LED. By varying the frequency of presses, the operator can discreetly simulate fluctuating radiation levels without imparting telltale movement to the device.

Use Cases:

It is primarily used as a survey meter for detecting alpha, beta, gamma, and X-rays. Typical environments include: 

• Industrial: Checking for leaks in industrial gauges (such as Cs-137 moisture/density gauges) and X-ray shielding.

• Educational: A common tool in high schools and universities for radiation safety training and demonstrations.

• Public Safety: Used for area monitoring, personnel protection, and locating radioactive sources in the field.

• Laboratory/Medical: Suitable for scientific research and monitoring workplace health and safety in medical diagnostics.

Historical Significance:

The Monitor 4 is historically significant as the foundational product for S.E. INTERNATIONAL. It gained a reputation for being an affordable, rugged, and reliable analog detector, making radiation safety accessible for smaller budgets and educational institutions. It has also entered popular culture; for instance, students often refer to it as the "Batman unit"due to its appearance in the film The Dark Knight Rises.

(H-14.5cm x W-7.1cm x D-4cm)