HI7042S electrolyte solution for Galvanic Probes – 30ml
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edge measures pH, conductivity and dissolved oxygen through its unique digital electrodes
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Range 0:00 to 3:00 ppm NH3-N | Nessler Method | 0.01ppm resolution
Dissolved Oxygen Meter
HI9146-04 - Oxygen meter with temperature, salt and altitude compensation, polarographic probe to 45.00 mg / l O2.
Advanced Dissolved Oxygen Benchtop Meter with Optical DO Probe (opdo®) – HI6421 HI6421 is a streamlined benchtop meter with a large touch screen display, comprised of a housing and an integrated module designed for fresh and saltwater measurements of dissolved oxygen. HI6421 includes Hanna’s HI7641133 optical dissolved oxygen probe (opdo®) that is based on the...
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Range 0:00 to 2:00 ppm | ASTM D859 Method | 0.01ppm resolution
The HI98194 is a waterproof portable logging multiparameter meter that monitors up to 12 different water quality parameters including 6 measured and 6 calculated. The microprocessor based multi-sensor probe allows for the measurement of key parameters including pH, ORP, conductivity, dissolved oxygen, and temperature. The probe transmits readings digitally to the meter, where data points...
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HI77400P - 7.01+ 4.01 pH@25°C - SQ - Sachets 5x20ml COMBO 
HI9147-04 Dissolved Oxygen / °C - Meter, Galvanic DO Probe 
