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Best TDS Meters of 2018
Complete Buyers Guide

HealthyWiser Digital TDS & EC Meter Water Test Kit with Protective Leather...
- ✔ Provides accurate and reliable test readings; 3-In-1 Digital TDS meter provides accurate readings for TDS (Total Dissolved Solids) EC (Electrical Conductivity) and temperature.
- ✔ Saves you money while protecting your health; Home water test kit alerts you when it's time to change filters to remove contaminants from your water
- ✔ Provides accurate and reliable test readings; 3-In-1 Digital TDS meter provides accurate readings for TDS (Total Dissolved Solids) EC (Electrical Conductivity) and temperature.
- ✔ Saves you money while protecting your health; Home water test kit alerts you when it's time to change filters to remove contaminants from your water
- ✔ Locks your reading making it easy to record; Large, easy to read LCD screen and data-hold function makes reading and recording a snap
- ✔ Long battery life and lower power consumption; Auto-off function saves on battery usage and our TDS meter has lower power consumption than HM TDS meter
- ✔ Measurement range; Accuracy: ± 2%. Range:0-5000ppm, 0-9990 µs/cm, 0.1- 80.0°C, 32.0-176.0°F.; Factory calibrated; Automatic Temperature Compensation (ATC)
HM Digital TDS-4 Pocket Size TDS Tester Meter with 0-9990 ppm Measurement...
- This TDS tester is ideal for all water purification applications, wastewater regulation, aquaculture, hydroponics, and colloidal silver
- Hold Function: saves measurements for convenient reading and recording
- This TDS tester is ideal for all water purification applications, wastewater regulation, aquaculture, hydroponics, and colloidal silver
- Hold Function: saves measurements for convenient reading and recording
- The Sleek design of the TDS-4 is perfect for personal or commercial use
- Recommended for fresh water aquariums & aquaculture, horticulture & hydroponics, and pools & spas
- Factory Calibrated: our meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriverFactory Calibrated: our meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver.
- Auto-off function: the meter shuts off automatically after 10 minutes of non-use to conserve batteries
Water Quality Tester, J.B.W. 2016 Newest Released Premium TDS Handheld TDS Quality...
- Measurement Range: 0-9990 ppm. From 0-999 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. Fun, translucent blue housing that's very strong and durable.
- Measurement Range: 0-9990 ppm. From 0-999 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. Fun, translucent blue housing that's very strong and durable.
- Hold Function: saves measurements for convenient reading and recording.
- Built-in Digital Thermometer, Display: Large and Easy-to-read LCD Screen.
- Come with a Carrying Case with Belt Clip
- 2016 Newest Release Premium Customize Model
Oakton WD-35462-10 Waterproof EcoTestr TDS Low Tester Pocket Meter
- Push-button calibration capabilities for a wide range of results
- Automatic Temperature Compensation (ATC) for accurate readings in fluctuating temperatures
- Transparent, protective cap keeps sensor moist when stored upright, and used as container for sensor conditioning or on-site calibration
- Push-button calibration capabilities for a wide range of results
- Automatic Temperature Compensation (ATC) for accurate readings in fluctuating temperatures
- Transparent, protective cap keeps sensor moist when stored upright, and used as container for sensor conditioning or on-site calibration
- Large, upright, single-line LCD display screen for ease of viewing, and for display of indicators
- Waterproof, dustproof housing is Ingress Protection (IP) 67-rated, for protection against solid objects or liquids
Water Quality Tester, MagicPro 2016 Newest Released Premium TDS-2 Handheld TDS Quality...
- Economy model that is ideal for end-users. Highly efficient and accurate due to its advanced microprocessor technology.
- Hold Function: saves measurements for convenient reading and recording.
- Auto-off function: the meter shuts off automatically after 10 minutes of non-use to conserve batteries. Display: large and easy-to-read LCD screen.
- Economy model that is ideal for end-users. Highly efficient and accurate due to its advanced microprocessor technology.
- Hold Function: saves measurements for convenient reading and recording.
- Auto-off function: the meter shuts off automatically after 10 minutes of non-use to conserve batteries. Display: large and easy-to-read LCD screen.
- Measurement Range: 0-9990 ppm. From 0-999 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. Fun, translucent blue housing that's very strong and durable.
- TDS-EZ meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a mini-screwdriver. Includes a TDS chart sticker on the back of the meter that explains TDS values.
HM Digital DM-1 In-Line Dual TDS Monitor, 0-9990 ppm Range, +/- 2%...
- The DM-1 helps you to measure the tap water coming in vs the purified water going out of your water filtration system at any time
- The In-Line Dual TDS Meter displays TDS levels of the feed water and product water with in and out electrode probes
- The DM-1 helps you to measure the tap water coming in vs the purified water going out of your water filtration system at any time
- The In-Line Dual TDS Meter displays TDS levels of the feed water and product water with in and out electrode probes
- This TDS Monitor is highly efficient and accurate due to its advanced microprocessor technology
- Highly efficient and accurate due to its advanced microprocessor technology
- Auto-Off function conserves battery power. The unit shuts off automatically after 10 minutes of non-use
- Installs quickly and easily
iSpring 3-Button Digital TDS Water Hardness Test Meter Kit with Temperature Calibration,...
- Advanced CPU: Automatically calibrated temperature; 0 - 9990 ppm TDS tester measurement range with 1 ppm accuracy
- Hold Button: Holds measurement value when meter is removed from water for convenient reading and recording
- Advanced CPU: Automatically calibrated temperature; 0 - 9990 ppm TDS tester measurement range with 1 ppm accuracy
- Hold Button: Holds measurement value when meter is removed from water for convenient reading and recording
- Temperature Button: Tests water in Celsius and Fahrenheit; 31 - 200 F degree range, 1 F degree accuracy
- Auto-Off Function: Shuts off automatically after 10 minutes of inactivity to conserve battery life
- Convenient: Comes with leather carrying case and clip, ideal for on-the-go requirements
- Comprehensive: Great tool for testing hard water contaminated with arsenic, lead, aluminum and other metals
Best TDS Meters of 2018
Buying Guide and Advice

Detailed Reviews of the best TDS Meters of 2018
TDS meters have been around for quite some time and its popularity is definitely on the increase. People all over the world are reconsidering what they consume and the safety levels thereof. A TDS meter, or a total dissolved solids meter, is useful in this regard: in helps to track any undissolved particles in the water that you use or the water that you may drink. The best TDS meters display the concentration of undissolved particles in parts per million. If the reading indicates 2 ppm this means that there are 2 milligrams of dissolved solids in each kilogram of water.
Companies involved in testing water purity have all started to develop their own TDS meters. Here are the best TDS meters as found on Amazon.com.
The most popular
$19.91 $34.95
The TDS meter from HealthyWiser vows to enhance the quality of the water in your home or business and it promises to beat any water tester you might have used previously in terms of accuracy. It gives the user certainty about the quality of water so that you can take care of your pets, your family, and your food in a safe and environmentally friendly way. It is a 3-in-1 meter that provides you with readings of the TDS level, EC level, and temperature levels of the water.
The home water test kits alerts you when it is time to change filters or when something has found itself present in the water. With a long battery life, large LCD screen, and data hold function, it makes recording temperatures so much easier and it is guaranteed to save you time and money.
It is ideal for water purification applications, waste water regulation, aquariums, hydroponics, lab testing, pools and spas, water treatment and so much more. It is portable and lightweight, so can take it with you everywhere you go. It also comes with a lifetime warranty if you ever feel like you should change your mind about it.
The all-around choice
$17.95 $35.00
This pocket sized TDS water meter from HM Digital is one of the most convenient tester to have on you, no matter what you purpose might be. It is ideal for all water purification applications, wastewater regulation, aquaculture, hydroponics, and colloidal silver testing. Its plastic frame is perfect for the outdoors or the indoors usage and its sleek design makes it perfect for the professional farmer or a citizen who is just concerned about their drinking water. Whether you have a commercial need or a residential need, this tester meter is an all-round winner.
This tester meter is different from the rest of the tester meters sold by HM Digital in the sense that it is equipped with the latest microprocessor technology. What this means is that it comes with a whole lot of upgraded features like the ATC or automatic temperature compensation feature, a hold function which allows you to freeze the measurement to view it out of the water, and the auto-off function that will allow you to save battery life as it switches off automatically after 10 minutes of non-usage. It comes with included batteries and standard product warranty.
New on the market
If you have ever thought of the water purifying process as boring or dull, then the JBW TDS-3 water quality tester will definitely change your mind. This is the newest premium release from JBW for 2016 and comes with the latest technology in water purifying science. The measurement range is from 0 – 9990 ppm that is indicated in a fresh and funky translucent blue housing for your convenience. The hold function helps you to never lose track of your measurements and can be frozen for you to view the measurement as you take it out of the water.
It comes with a built-in digital thermometer and a large LCD display screen that is very easy to read. As an added bonus, it comes with a carrying case and a belt clip so that you are ready to measure any pool of water at any time. It is ideal for laboratory, commercial, and residential use, and with its thermometer feature you will only be getting an accurate reading every time. The thing that makes water tester unique is the fact that it has already been calibrated in the factory and requires no additional setup on your part.
The professional choice
Oakton has always been known as a company that produces high quality scientific instruments for commercial, industrial, and educational purposes. As part of its wide variety of sensors and meters, its latest addition is the TDS EcoTestr. This water quality meter is perfect for those who are regularly testing water in the outdoors, but it can also be used for residential purposes. It comes in a stainless steel frame to ensure optimum protection as well as a waterproof and dustproof housing for protection against unwanted solid objects or liquids.
A transparent, protective cap keeps the sensor moist when it is stored upright and it can be used a storage container. It comes with automatic temperature compensation which allows for a much more accurate reading when temperatures are fluctuating, and the push-button calibration provides a variety of capabilities for a wider range of results. A large LCD display boasts in the middle of this device and is easy to read in the daytime or night time. With the batteries fully charged and loaded it provides you with 500 hours of interrupted usages, which definitely qualifies it as one of the best TDS meters of 2018.
Even the best TDS meters have significantly reduced in price and have undergone a tremendous change in form so that you can carry it around with you with ease. It is very important that we look after our water resources for the health of our own beings, our families, and even our animals. With modern day technology it is very easy to live a conscious lifestyle and it is very necessary.




