... :Brand Name: Neutral 2:Certificate: CE 3:TDS range: 0-1999ppm /mg / L Product description ... in a large number of applications including Production and drinking of pure water,Cleanness of swimming pool water,Food processing,Hospitals and ... water,Teaching of physics and chemistry,Electroplating water,Cooling towers,Laboratories,Ionized water and water quality testing etc. Wholesale Water Quality TDS ...