CONCERNED ABOUT YOUR WATER QUALITY? Dumsamker TDS Water Quality Test Meter performs as a guard who helps monitor water quality to tell you whether the water meets standards of drinking so that you have a clear mind of water status and take measures to protection water safety for your family. What Is TDS And Why Should You Care TDS = Total Dissolved Solids which is any salt metal or mineral in the water. The lower the TDS level in the water the more efficiently your bodys cells can use the water. Conversely higher TDS levels can indicate water that is more difficult for your body to use and has more contaminants that can pose health risks. A Must-Have Tool for RO Systems The ppm pen is the perfect tool for measuring and tracking your waters levels of TDS to make sure your water filter is doing its job. With this water ppm tester you wont just need to take the filter manufacturers word that it reduces TDS in your water; you can put it to the test! About TDS A Must-Have Tool for Kitchen Aquarium Hydroponics How Pure is Your Water? With the push of one button the digital TDS water tester will read overall water purity level which will be displayed on the screen in ppm (parts per million). Dumsamker TDS water testing meter is ideal for all water purification applications thus to check whether your water filter is doing its job right and when to change the filter. With TDS water test meter All you need to do is to put it in the water and test.(The water quality tester does not test for biological contaminants.) Extremely Handy Device To Have Around Even though no water TDS meter can replicate the accuracy of an expensive laboratory instrument it is ideal for getting a close estimate. Whenever it becomes to water testing it is an extremely handy device to have around the house. Please believe us At Dumsamker we believe in our products. You can always count on our team who are single-mindedly devoted to improving the quality of your water. TEST YOUR WATER: How Pure is Your Water? With the push of a button the TDS water tester can tell you your overall water purity level which will be displayed on the screen in ppm (parts per million) EASY TO USE AND ACCURATE: Just stick it in about 1 inch of water instantly you get the reading. It s compact and doesn t need any maintenance. The TDS water tester is a rugged model that includes a protective carrying case with belt clip MEASUREMENT RANGE: ppm. From ppm the resolution is in increments of 1ppm. From 1000 to 9990 ppm the resolution is in increments of 10ppm indicated by a blinking x10 image AUTO-OFF AND HOLD FUNCTION: The TDS tester shuts automatically after 2 minutes of non-use to conserve batteries. Features a hold function that saves measurements for convenient reading and recording CUSTOMER SATISFACTION: We stand behind our products and will always focus on your satisfaction. If you don t love our products please don t hesitate to us.