"The RAD7 has been an excellent purchase. It significantly helped a research project I was working on and I see many new research opportunities in the future using the RAD7. The machine and add-ons (RAD AQUA and RAD H2O) are all well documented and work very well and easily in the field. The greatest help and what really separates DURRIDGE from other companies is the unparalleled service I have been given." -University Researcher
Did you Know?
Over 5,000 RAD7s have been sold and almost 2,000 Radon-in-water accessories shipped!
DURRIDGE Tip
Do you know when to use which accessory for measuring radon in water?
Here is a quick product comparison to use as a guide.
RAD H2O
Best used for measurement of radon in small samples of ground water or tap water.
Big Bottle System
An accessory enabling users to accurately measure radon in large water samples of up to 2.5L in volume. Large samples allow for greater precision and lower limits of detection.
RAD AQUA
Used for monitoring radon and thoron levels in a continuous water supply, such as running tap water, a flowing stream, or even sea water.
Water Probe
Monitors radon levels in bodies of moving water. The water around the probe should be moving, but unlike the RAD AQUA a separate pump is not required.
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