Hanna Instruments, Dissolved Oxygen Meters
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Advanced Dissolved Oxygen Benchtop Meters
Hanna InstrumentsHI6421 includes Hanna's HI7641133 optical dissolved oxygen probe (opdo®) that is based on the principle of fluorescence quenching. An immobilized Pt-based luminophore is excited by the light of a blue LED and emits a red light. As oxygen interacts with the luminophore it reduces the…
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