It can be used as a classic water quality tester even if it is not connected to a smartphone. ORP range: ± 999mv. Salinity range: 0-10000ppm, 10.1-200.0ppt, 0.01% - 25.00%. TDS range: 0-9999ppm, 10.1 - 200.0ppt.
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Wide range of applications including salt water aquarium supplies and other water salt content testing. Salt Aquarium supplies. Resolution：Salt 1 mg/L. Build in temperature sensor, ATC (auto temperature compensation).
eBay
Wide range of applications including salt water aquarium supplies and other water salt content testing. Swimming pools and spas. Beverage and food processing. Salt Aquarium supplies. Build in temperature sensor, ATC (auto temperature compensation).
eBay
Wide range of applications including salt water aquarium supplies and other water salt content testing. Beverage and food processing. Salt Aquarium supplies. Resolution：Salt 1 mg/L. Build in temperature sensor, ATC (auto temperature compensation).
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1 Digital Pool Water Quality Tester. Resolution: 0.01 PH. Color:White+Green. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
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(Sea salt/fresh water salt). pH test range: 0.01-14.00pH. Resolution: 0.01pH Accuracy: ±0.05pH. It is a waterproof water quality test pen with five functions. Conductivity test range: 0 to10000uS/cm, 10.01-19.99ms, 20.1-400mS/CM.
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Wide range of applications including salt water aquarium supplies and other water salt content testing. Beverage and food processing. Salt Aquarium supplies. Dam, river and bore water quality. Resolution：Salt 1 mg/L.
eBay
Wide range of applications including salt water aquarium supplies and other water salt content testing. Swimming pools and spas. Salt Aquarium supplies. Resolution：Salt 1 mg/L. Dam, river and bore water quality.
eBay