Which are the two main types of Radon Testing Devices?

The distinction between passive and active devices is fundamental in the context of radon testing. Passive devices do not require any electrical power or active assistance; instead, they rely on natural processes to collect radon gas over a period. Examples of passive devices include charcoal canisters and alpha track detectors. These devices typically absorb radon from the air and are then analyzed in a laboratory to determine the radon concentration.

On the other hand, active devices involve some form of mechanical process or electronic component to measure radon levels. They continuously draw air through the device to measure radon concentrations in real-time. Active devices can provide immediate feedback and are often used for more precise measurements.

Understanding the difference between these two types of devices helps in selecting the appropriate method for radon testing, based on the specific requirements of the testing scenario, such as the desired accuracy, timeframe, and cost considerations.