The CS150 is the 500 sensors pack to measure Chlorine (Free and Total) using the Palintest CS 100 or CS 400 devices.

The simplest water test kit available for measuring free or total chlorine. Portable, as accurate as DPD and now an USA .

The ChlordioX offers unique sequential sensor technology for determining chlorine dioxide - with USEPA approval. 

• Simple sequential method without reagent or sample preparation – ideal for all users
• Electrochemical measuring technique – no interference from sample colour or solids
  
• Superb performance – report results with confidence.

You will need either a CS 100 or CS 400 units to use these sensors.