Electronic Colorimeter, 525 nm | PW-HI721

This low-cost electronic colorimeter is an improvement over the color comparators. It produces more accurate results, it looks more professional, and it completely eliminates error due to color hue, available light and operator vision.

For use with the following tests:

• Total Chlorine
• Chloramine
• Total Iron
• Ferrous Iron
• Nitrate
• LR Manganese
• HR Manganese
• pH (6.2-8.2)
• Sulfate
• Quat (Sanitizer)
• Copper