At factories of food processing, sauce and dressingmanufacturing, pickles manufacturing, etc. At factories of food processing, sauce and dressingmanufacturing, pickles manufacturing, etc. At fast food shops, restaurants, etc. At fast food shops, restaurants, etc. At laboratories of cooperatives and consumerscenter, etc. At laboratories of cooperatives and consumerscenter, etc. At public health centers for nutrition guidance. At public health centers for nutrition guidance. At supermarkets for stocking foods anddemonstration. At supermarkets for stocking foods anddemonstration. As teaching materials at junior and senior highschools, universities. As teaching materials at junior and senior highschools, universities. >

Littlesample isenough formeasure-ment! Simplecalibrationwith air! Cleaningby justwipe-over! ✽ For measurement of a sample containing ingredients other than salt, dilute the sample so that its Brix index (percentage ofsoluble solid content) is less than 6%. For example, dilute soy sauce, Worcester sauce with distilled water 10 times (in weight) asthin as the original for measurement, and the actual salt % is obtained by multipliying the measured value by 10. > The detection principle of the ES-421 is the conductivity method, which detects electrolyte and converts to NaCl concentration. Compare...