KL-139 TDS Tester
Pocket sized and feather-weight for portable use in a large number of applications including Production and drinking of pure water,Cleanness of swimming pool water,Food processing,Hospitals and medical products,Aquatic cultivation,Boiler water,Households and offices,Aquarium water,Teaching of physics and chemistry,Electroplating water,Cooling towers,Laboratories,Ionized water and water quality testing etc
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Kelilong Electron Co.Ltd,
NO.60 Xing Ye Middle Road,
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