Description
Hanna TDS Tester HI98302 Dist2 (PPT) Auto Calibration TDS Meter
โข Waterproof
โข Automatic temperature compensation (ATC)
โข Automatic one-point calibration
โข Measurement stability indicator
โข Temperature measurement
The DiSTยฎ family of testers is widely used for monitoring EC/TDS in drinking water, water conditioning, reverse osmosis, cooling towers, wastewater, laboratories, agriculture, aquaculture and aquariums, hydroponics and the printing industry. These testers feature an amperometric graphite electrode that provides improved repeatability in measurements since they do not oxidize.
An amperometric measurement of EC/TDS is based on Ohmโs Law, I = V/R, where R depends on the distance between two pins and their surface. Oxidation changes both the distance and surface, which will directly affect accuracy. DiSTยฎ non-oxidizing graphite pins are able to provide an optimal surface for accurate, dependable results. When calibration is needed, simply submerge the electrode tip into the calibration solution and the meter will auto-calibrate.
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