How do I check for radiation contamination?

Hold the instrument as close as possible without touching and take you measurement. Touching the instrument to a contaminated surface could contaminate the instrument rendering it unusable.

How do I take a radiation measurement?

To take a measurement- Turn the instrument on. Hold the instrument as close to the suspected source without touching it. A reading should appear on the display. The longer you take a measurement, the more accurate the reading will be.

How does a Geiger‑Mueller (GM) Detector Work

1. Radiation enters the GM tube Radiation (alpha, beta, gamma, or X‑ray) enters a sealed tube filled with gas (usually argon or neon). The tube has: A central wire (anode) A cylindrical outer wall (cathode) High voltage applied between them 2. Radiation ionizes the gas When radiation passes through the tube: It knocks electrons off […]