TDS-139 TDS Testers(Blue)

1. Measuring range:0-1999 PPm(mg/L) 2. Resolution: 1 PPm(mg/L) 3. Accuracy: +/-2%F.S 4. Operating Temperature: 0 degree - 50 degree C(32degree F-122 degree F) 5. 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 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. 6. Size: 150x27x20mm 7. With TDS calibration solution (1382ppm 25 degree)Specification: Package Weight One Package Weight 0.18kgs / 0.39lb Qty per Carton 60 Carton Weight 9.90kgs / 21.83lb Carton Size 40cm * 30c