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List Price: Price: Details You save: Customers Who Seen This Item Also Compare with Moisture Meters For US/UK/DE visitors, to buy SinoWare PH Tester Digital PH Tester Water, please go to: Convenient, simple to use. Not temperature compensated. Very easy to use and is accurate enough for my needs. Values match the values shown by the tds display on my RO unit's in/out readings to the DI stage. Update: I have realized that there is a HM Digital TDS-4 Total Dissolved Solids Pocket Size Meter unit available on amazon for just a couple of dollars more than this unit. From what I can gather, the TDS-4 is essentially the same unit but has temperature compensation circuitry that does not exist in the HM TDS-EZ. I did a simple test to see if I could quantify the temperature effect. The effect appears substantial. I am reducing my rating from 5 down to 3. Here are my results using the same sample of tap water at different temperatures: 54 degrees: 220ppm 100 degrees: 404ppm 112 degrees: 434ppm 130 degrees: 540ppm Plotting this on a graph reveals a linear variation.

See Products Related To SinoWare PH Tester Digital PH Tester Water: SinoWare Item Feature With a standard measuring range of 0-14 pH, the pH meter 2011 is great for a wide range of tasks. An affordable way to test your swimming pool, aquarium, tap water, or appliance water source, you can finally know whether the water you are drinking or using is acceptable for the application. It is also an excellent choice for basic measurements in a laboratory setting. Specifications Measuring range: 0-14 pH Resolution: 0.01 pH Accuracy: 0.05 pH Batteries: 4x 1.5V LR44 button cell (AG13) Automatic temperature compensation: 0-50¡ãC (32-122¡ãF) Dimensions: 5.94 x 1.30 x 0.79in /151 x 33 x 20mm Weight: 1.87oz /53g Package includes 1 x pH Meter 4 x 1.5V button cells(inside) 1 x Adjustment screwdriver 1 x Carrying case 1 x User's manual This item is not calibrated correctly I bought two of TDS-EZ Water Quality Testers and while both are placed in the same glass of water, the one reads 752 ppm and the other 371 ppm. You can only conclude that they have not been calibrated in the factory, as claimed on the packaging. Photo here: [...] Poor show!

This item is not calibrated correctly I bought two of TDS-EZ Water Quality Testers and while both are placed in the same glass of water, the one reads 752 ppm and the other 371 ppm. You can only conclude that they have not been calibrated in the factory, as claimed on the packaging. Photo here: [...] Poor show!