The equipment is portable and battery operated, and the measurement is fast. You can have an accurate reading of radon in water within an hour of taking the sample. The RAD H₂0 gives results after 30 minutes analysis with a sensitivity that matches or exceeds that of liquid scintillation methods. The method is simple and straightforward. There are no harmful chemicals to use. Once the procedure becomes familiar and well understood it will produce accurate results with minimal effort.

By taking two simultaneous samples, analyzing one immediately, waiting a week or more and then analyzing the other, the radium (226Ra) content of the water may be calculated.

Product Highlights

• Portable
  Complete kit provided in fitted case; weighs just 13 lbs. 
  
  
• Automatic
  Procedure is controlled fully by the connected RAD7.
  Printouts provide data on radon concentration in water.
  
  
• Fast
  Analysis can be completed within one hour of taking the water sample. 
  
  
• Accurate
  The RAD H₂0 provides results as accurate as liquid scintillation.
  
  
• Sensitive
  More sensitive than liquid scintillation. LLD 10 pCi/L (20 minute count).
  
  
• Clean and Safe
  Involves no hazardous materials or chemicals.
  
  
• Proven
  Used by individuals and labs throughout the world for over ten years. 
  
  
• Great Value
  Practically no running costs.

Configuration

A vial containing a water sample is set up in a closed air loop with the RAD7. The RAD7 pump operates automatically for five minutes to aerate the sample, distributing the radon that was in the water throughout the loop. The RAD7 waits a further five minutes while the 218Po count rate approaches equilibrium and then counts for four five-minute cycles. The radon concentration in the water is calculated directly.

Documentation

 RAD H₂0 Manual (PDF)