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Fixed wavelength LED and silicon photocell provide precise phosphate measurement for reliable results
Ultra low range from 0.00 to 0.90 ppm covers trace-level detection needed for marine water quality
One-button operation and built-in timer simplify sample collection and testing
Automatic shut-off conserves battery life by powering down after extended periods of inactivity
Compact and portable design enables easy field use without the bulk of professional instruments
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Phosphate Ultra Low Range Checker - HI774
The Hanna Phosphate Ultra Low Range (0.00 to 0.90 ppm) Checker bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits have limited accuracy and resolution since they rely upon the human eye to discern differences in colour. Professional instrumentati
