Hanna HI-9147 Dissolved Oxygen MeterThe Hanna HI 9147 is a rugged, portable dissolved oxygen (DO) meter designed specifically for aquaculture and fish farming applications. Built to withstand harsh field environments, it features waterproof construction, a polarographic DO probe, and a large, easy to read LCD screen. With automatic temperature compensation and salinity adjustment, the HI 9147 ensures accurate and reliable DO measurements in freshwater and saltwater conditions. This user
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