Lutron PWH-303 Water Hardness Pure Water Meter 
Water Hardness Pure Water Meter 
Model: PWH-303 
Lutron - Taiwan  
 
FEATURES 
• Separate Pt glass electrode, high performance for pure water low conductivity measurement.
• Measurement water conductivity : 0 to 1999 uS .
• Measurement water hardness : 0 to 1000 ppm.
• Separate Meter with the probe, easy operation.
• Hold , Record ( max., min.).
• DC 1.5V battery ( UM-4/AAA ) x 4.
• Water conditioning , aquarium , food processing, photography , school ,laboratory, industrial and quality control.