TDS Meter

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A TDS meter (aka ppm pen, nutrient tester, tds stick) is an inexpensive and convenient digital tool to instantly check your overall water quality. TDS = Total Dissolved Solids, whi ch is any salt, metal or mineral in the water. With the push of a button, the TDS-EZ can tell you your overall water purity level, which will be displayed on the screen in ppm (parts per million).The lower the TDS level, the purer the water, with 0 being pure H2O. The TDS-3 is great for checking tap water quality, or knowing when to change a filter. The meter does not test for biological contaminants. The TDS-3 is a great tool for drinking water, water filtration and purification, hydroponics (test your nutrients), aquariums, RO/DI systems, pools and spas, and more. Features Highly efficient and accurate. Hold Function: saves measurements for convenient reading and recording. Auto-off function: the meter shuts off automatically after 10 minutes. Wide Measurement Range: 0-9990 ppm. Display: large and easy-to-read LCD screen. Factory Calibrated: our meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver. Translucent blue housing that's very strong and durable. Includes a TDS chart sticker on the back of meter that explains TDS values. Temperature measurement in celsius and farenheit. Perfect for Drinking Water Water Filter Checks Travel Hydroponics Aquariums Food & Coffee & Much More! Video Show more