replacement tool. ±0.1 accuracy.The DiST® 5 offers a 3-in-1 solution that instantly tests conductivity, total dissolved solids (TDS), and temperature. The unit includes adjustable TDS ratio and temperature compensation. These testers also feature a stability indicator and hold feature - you'll know when to
* Precision instrument for the measurement of hardness in freshwater * Electronic conductivity monitor measures freshwater impurities * Accurate way to measure and monitor water quality for aquarium use Accurately measure freshwater impurities. Anything that is not water (like calcium, silica,