TDS-139 TDS Testers(Blue) Onten connect the secondary end of

connect the secondary end of the current transformer with the instrument (green lead) to the blue terminal of the instrument

Weight: 625g

no power supply

and the gravity is evenly distributed

record of life

TDS-139 TDS Testers(Blue) Onten connect the secondary end of1. 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