Best TDS Meter In The Market

This TDS meter is designed to measure the total amount of solids dissolved in the water. It is used to test the quality of the used for consumption or raw water. When the readings on the meter are high, it means that there are more pollutants and contaminants in the water. Water is now unhealthy, with high levels of impurities like minerals, salts, and metals.

With the best TDS meter, you can test your water quality anytime, anywhere, before drinking it. This type of meter is used in hydroponic systems, pools, sinks, refrigerators, drinking water plants, and aquariums.

List Of Top 5 TDS Meters In The Market – Editor’s Pick:

Top 10 TDS Meter Reviews

1. HoneForest Accurate TDS Meter Review

Water Quality Tester, Accurate and Reliable, HoneForest TDS Meter, EC Meter & Temperature Meter 3 in 1, 0-9990ppm, Ideal Water Test Meter for Drinking Water, Aquariums, etc.

This HoneForest TDS Meter is equipped with a reliable (ATC) Automatic Temperature Compensation and titanium alloy probe of premium quality to ensure high accuracy in reading at various temperatures. The professional Temperature, EC, and TDS pen come with an auto-lock function to save power and large backlit LCD display for easy reading. The easy-to-use meter requires you just to stir the water gently, and then when the readings are stabilized, they are locked automatically on the LCD within a few seconds.

This TDS meter gives the readings in ppm, and it shuts down automatically if there is no operation in more than two minutes. This is a multipurpose TDS meter that helps you to monitor the Reverse Osmosis System and ensure it works properly. It tests your drinking water for purity, hydroponics, aquaculture, pool, and spa. Before the readings are locked automatically, you can easily lock the text manually by pressing “Hold”. Also, the TDS meter comes with a carrying case along with a belt clip to enable easy transportation.


  • Works instantly and it’s easy to use
  • It’s reliable and accurate
  • It is a multipurpose TDS meter
  • Comes with a three years warranty along with 90 days money-back guarantee


  • Doesn’t test the pH of the water

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2. Health Metric Professional TDS Meter Review

TDS Meter Digital Water Tester - ppm Meter, EC & Temperature Test Pen 3-in-1 | Easy to Use Water Quality Tester | Ideal for Testing RO Drinking Water Hydroponics Aquarium Swimming Pool & More | White

The Health Metrics TDS meter measures your water quality in seconds. You only need to insert the meter in your water and stir it gently, and then lock your results on the meter’s screen. This TDS meter comes with easy to read and understand instructions, which makes this already calibrated meter to be super comfortable, whether you are using it on the go or at home. It is a 3-in-1 advanced smartpen that use EC, temperature, and TDS meter for enhanced accuracy. It features temperature automatic compensation along with a range measurement of 0-9999ppm.

This is a lightweight and extremely handy device that you can have around anytime. The TDS tester offers a cost-effective method of measuring the efficiency of your DI/RO systems regularly, quality of water in aquariums and pools as well as hydroponics. Also, this premium quality product comes with a durable Titanium alloy probe that enables the TDS meter to function for many more years. This TDS meter is also suitable for both warm and cold water because the in-built thermometer compensates for the associated temperature effects.


  • It easy and quick to use
  • Has high accuracy
  • Comes with a free TDS E-book
  • It is cost-effective


  • Lacks a backup warranty
  • May not give the same readings in a row

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3. HM Digital TDS-EZ Water Quality TDS Tester Review

HM Digital TDS-EZ Water Quality TDS Tester, 0-9990 ppm Measurement Range, 1 ppm Resolution, 3% Readout Accuracy

The HM Digital TDS-EZ meter is made of 100 % plastic material, and it is an economic model which is perfect for the final-users. It is highly accurate and efficient due to its microprocessor advanced technology. The meter features a hold function that allows you to save measurements for convenient recording and reading. It has a battery life of about 1000 hours of usage, so it is ideal for long business trips and the whole month’s camps and hiking. The TDS meter is powered with 2 by 1.5V button-cell batteries, which are included in the package.

If the meter is not in use for 10 minutes, it automatically shuts down to conserve the batteries. It has a broad and comfortable LCD screen for reading. The measurement ranges from 0-9990ppm, and if the readings, then your water is pure. The translucent blue housing is durable and very strong. Its calibrations are done using a 342ppm NaCl solution, but they can also be recalibrated using a mini-screwdriver.


  • Its batteries have a long life
  • Hold function to save measurements
  • Measurements are already calibrated
  • Shuts down automatically to increase battery life
  • Features a large and easy to read LCD screen


  • Lacks a backup warranty

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4. DUMSAMKER TDS Meter Digital Water Tester Review

TDS Meter Digital Water Tester, DUMSAMKER Professional 3-in-1 TDS, Temperature and EC Meter with Carrying Case, 0-9999ppm, Ideal ppm Meter for Drinking Water, Aquariums and More

This TDS meter is designed to tell you the overall water purity level with just a push of a button. The water test readings are shown on the display in ppm (parts per million). It is accurate and easy to use as you only dip the meter in about 1inch of water, and it gives the reading instantly. It has a compact design and does not require any maintenance. The DUMSAMKER TDS model is a perfect water tester for aquarium, drinking water, outdoor activity, swimming pool, RO/DI system, and hydroponics. This tool is ideal for different water purification applications and can as well check if the water filter is working correctly.

The measurement range is 0-9990ppm, while the resolution has increments of 1ppm. For measurements between 1000-9990ppm, the resolution features an increase of 10ppm. The meter shuts down automatically after two minutes without operation to conserve energy of your batteries. The hold function allows you to save measurements for convenient recording and reading. It is also an incredibly perfect handy device for anyone to have around the house.


  • It is quick and effective
  • Easy to use and accurate
  • Features auto-off and hold function


  • Has a narrow display
  • Lacks an instruction manual

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5. Hofun TDS Temperature & Conductivity Meter Review

TDS Meter Digital Water Quality Tester, TDS Temperature & Conductivity Meter 3 in 1, 0-9999 ppm, Hydroponics EC Meter, Digital Water Testers for Drinking Water, ppm Meter for Hydroponics Aquarium

The Hofun TDS digital, electric temperature, and conductivity meter have highly updated and advanced technology. It fulfills three different measurements with one quality tester. This meter is not only convenient but also designed to save your money and time; it is a beneficial kit. It features a titanium alloy probe that is of premium quality to enable convenient and quick testing. You just have to probe the tester into the water, and the readings will be displayed on the LCD in seconds. Also, the digital Hofun TDS meter has a reliable and advanced Automatic Temperature Compensation that ensures the measurements are accurate. It has multiple usages, including RO/DI water system, aquarium, laboratory, swimming pool, drinking water test.

The backlit LCD in this hydroponics meter is far superior to most brands out in the market. The LCD provides wider angles for reading data and night reading. When there is a green backlight after measuring, it indicates qualified water for drinking. The Hofun TDS ppm meter uses only one button for operation. You should first turn on the TDS meter and stir your water gently, but once the readings have stabilized, they are locked automatically in LCD within just seconds. Also, the meter shuts down automatically when there is no operation for over two minutes.


  • Reliable and quick to use
  • Has big backlit LCD for easy reading
  • Shuts off automatically when not in use
  • Easy to operate


  • Has no backup warranty

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6. HAPHID Combo PH Meter Review

HAPHID Combo PH Meter Professional Water Quality Tester High Accuracy 4 in 1 PH/TDS/EC/Temp Digital Multi-Parameter Tester for Laboratory,Aquariums, Hydroponics Pool,Spa,Drinking Water and More

HAPHID professional pH meter is a multifunctional combo meter designed with a 4-in-1 format, which includes temperature, EC, TDS, and pH. It uses a highly sensitive glass probe to give a wide range of measurement with high resolution in seconds. You can easily read the measurements on the digital display that is stable, reliable, and fast. It consumes low energy as it features an intelligent shutdown when it’s not in use after five minutes. It also comes with a battery indicator environment that shows the energy remaining. This water quality meter is perfect for spa, RO/DI systems, aquariums, hydroponic pool, drinking water quality, laboratory use, or household.

It is also suitable for swimming pools, cooling towers, winemaking, or beverage juice. Its small size allows you to walk with it anywhere while in your pocket, and you can test anything you are taking. Besides, it is an easy to use tool as you simply need to press the on/off button, then put the probe in water, and the results are out in seconds. Also, it comes with an already installed battery so you can start using it immediately.


  • Multifunctional combo meter
  • Fast reading and high accuracy
  • Low energy consumption
  • Easy to use
  • Has a compact and lightweight design


  • Lacks a backup warranty
  • Has no instruction manual

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7. Apera Waterproof Instruments Tester Kit Review

Apera Instruments PC60 Premium 5-in-1 pH+EC+TDS+Salinity+Temp. Tester Kit

The Apera Instruments tester measures the pH, TDS, EC, Temperature, and salinity professionally and quickly for all types of general water solutions. It perfectly fits in education, environmental monitoring, cooling towers, water treatment, drinking water spas & pools, aquaculture, horticulture, and hydroponics. The multiparameter probe of this tester kit is replaceable and easy to install. Also, it features a large and bright LCD screen with three backlit colors that indicate three different modes that are stable readings, icons of completed calibrations, and dual display of the measurements.

Also, this IP67 is dustproof and waterproof; it is designed to float in water; hence you shouldn’t be scared if the meter falls in water by accident. It is powered by AAA batteries and can operate continuously for up to 1000 hours without backlit. It has an auto power-off feature if no operation in 8 minutes. It comes with a straightforward menu setting that allows you to customize your tester functions as per your needs.


  • Features a replaceable probe
  • Has a large and bright LCD screen
  • Comes with ready-to-use calibrations
  • It’s dustproof and waterproof
  • Comes with two years warranty but six months for the probe


  • The glass membrane can be destroyed by distilled water

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8. SOEKS EcoVisor Nitrate Tester Review

SOEKS EcoVisor F4 Geiger Counter Radiation Detector Dosimeter Nitrate Tester EMF Electromagnetic Electric Magnetic Field Device Water Quality TDS Meter Portable Electronic Touch Screen Easy to Use

SOEK water quality tester features Dosimeter and Geiger counter radiation that alerts you instantly about all kinds of ionizing radiations in the environment, objects, water, air, food, and keeps track of the dosage. The food nitrate meter tests your favorite meats, vegetables, and fruits for the excessive amount of nitrates using a patented multi-point probe with temperature compensation. The EMF meter helps you to keep track of your family’s safety as it tests your appliances, electronic devices, environment, and house for the harmful EMF spectrums. It allows you to drink quality water, knowing the number of dissolved particles in it.

It is certified and tested by EAC, CE, RoSTEST, ROSATOM hence assured of quality service. Also, it features an ergonomic design, simple instructions, and a convenient touch screen that allows everyone to operate and read the results efficiently. You can easily take it with you anywhere and also to the grocery store while carrying it in your pocket or bag.


  • It is easy to use with a convenient touch screen
  • Multipurpose tester for both water, EMFs and food nitrates
  • It is ultra-accurate
  • Made of high-quality parts


  • Lacks a warranty

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9. HM Digital DM-1 In-Line Dual TDS Monitor Review

HM Digital DM-1 In-Line Dual TDS Monitor, 0-9990 ppm Range, +/- 2% Readout Accuracy

The HM Digital TDS monitor helps you to test the quality of purified water from the water infiltration system and the tap water going into the system. This In-Line TDS dual meter measures the TDS of the product water along feeds water using out and in of the electrode probes. It monitors the levels from 0 to 9990ppm, and it comes with two ¼ inch quick-connect T-fittings, two sensors, and batteries. This meter offers a convenient and secure method of determining the TDS level for water purification and filtration systems such as deionization and reverse osmosis.

It is very useful for under the sink systems or coolers. The OUT and IN sensors are designed to determine the rejection and operation rate of your membrane or filter. Again, this TDS monitor features an advanced microprocessor technology, which makes it highly accurate and efficient. It is also constructed with auto-off function when the monitor is not in use to conserve battery power. It shuts down automatically after 10 minutes. It is quick and easy to install.


  • It is highly accurate and efficient
  • Has auto-off function
  • An easy and convenient method
  • Installs easily and quickly


  • Lacks a backup warranty
  • Can be difficult for some people to use as it appears complicated

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10. Hofun TDS EC & Temperature Meter Review

TDS Meter Digital Water Tester - Hofun TDS, EC & Temperature Meter 3 in 1, 0-9999 ppm Accurate, PPM Meter for Drinking Water Test, Coffee, Swimming Pool, Aquarium, RO/DI System, Hydroponics

This is a TDS water quality tester that is a faster sensor, accurate and gives steady measurements. The Hofun TDS meter helps in monitoring your water quality to tell you if the water meets the standard guidelines of the OI/RO system, aquarium, and drinking water. The Hofun tester is equipped with a titanium alloy probe that is of premium quality; it has a convenient and quick method of testing. It is easy to use, and even a beginner can have it. You only need to place the probe in the water, and the accurate measurements display on the LCD in seconds. It takes measures between 0-9999ppmand the reliable and advanced Automatic Temperature compensation ensures the measurements are precise.

Besides, this TDS tester fits multiple uses like well water, aquarium, hydroponics, laboratory, swimming pool, as well as testing drinking water. It features a big backlit LCD that is much superior to most tester displays, and it allows wide angles of reading data and reading at night. The meter enables a one-button operation and gives the readings in seconds.


  • Easy to read full display
  • Quick and accurate measurements
  • Has energy saving and operation function


  • Lacks a warranty

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Frequently Asked Questions On Best TDS Meter

Q: What is the work of a TDS meter?

Answer: If you are confused about the work of a TDS meter, don’t worry as it only does a simple but vital job in human life. The TDS meter (total dissolved solids tester) helps in measuring the total amounts of dissolved particles in the water. Some of these TDS meters are designed even to test wine and beverage juices. Although the minerals and ion salts are known to enhance the overall productivity of your water, it isn’t good for your health. The higher the TDS readings, the higher the number of solids dissolved in it.

best tds meter with atc

Q: What is the optimal TDS level of drinking water?

Answer: Most people opt for a TDS meter to ensure the water they are drinking it’s clear of dissolved particles. The maximum TDS levels set by the Environmental Protection Agency of the US is 500mg per liter if it exceeds then you need to carry out a proper water treatment. However, you need to get a quality TDS meter that will provide accurate results.

Q: Is TDS reduced by boiling the water?

Answer: Boiling water doesn’t reduce the TDS levels even if the boiling period is extended. However, boiling water can increase the total TDS levels in your water, which is also risky. It raises further contamination of the water.


TDS meter is an essential device for you and your family to measure the breakdown of the solids in your water. It has a lightweight design, so you carry it around in your pocket. It tests hydroponics, aquariums, swimming pools, spas, beverages, and aquaculture. With the best TDS meter, you can reduce the amount of contaminated water consumed by your family. They have an easy to use interface; hence you can also train your kids and elderly to use anytime.

However, there are so many models in the market, and selecting the best TDS meter might have some challenges. To get the best one for your needs, you need to specify your requirements.

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