
Pocket-size pH / Temperature Meter with replaceable electrode
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Pocket-size pH / ORP / Temperature Meter with replaceable electrode
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Pocket-size Conductivity / TDS / Temperature Meter with replaceable electrode
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Pocket-size Conductivity / TDS / Temperature Meter with replaceable electrode.
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Standard Portable Dissolved Oxygen Meter
O2 Range: 0.0 to 19.9 mg/L

Ammonia (Medium Range) Professional Photometer
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Ammonia (Low Range) Professional Photometer.
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Iron (High Range) Professional Photometer
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Free & Total Chlorine and pH Professional Photometer.
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Phosphate (Low Range) Professional Photometer
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