A total dissolved solids (TDS) meter is an important instrument for testing water for a variety of contaminants such as heavy metals, chlorine, nitrates and other chemicals. It measures the total amount of dissolved solids in a sample of water in parts per million (ppm). This makes it a great tool for assessing the safety and quality of drinking water, monitoring water treatment processes, and testing aquariums or ponds. When choosing the best TDS meter, it is important to consider accuracy, durability, and ease of use. With a little research, you can find a TDS meter that meets your needs and fits your budget.

Best Tds Meters

Rank Product Name Score
1
VIVOSUN pH and TDS Meter Combo, 0.05ph High Accuracy Pen Type pH Meter +/- 2% Readout Accuracy 3-in-1 TDS EC Temperature Meter
VIVOSUN pH and TDS Meter Combo, 0.05ph High Accuracy Pen Type pH Meter +/- 2% Readout Accuracy 3-in-1 TDS EC Temperature Meter
9. 7
2
TDS Meter Digital Water Tester, Lxuemlu Professional 3-in-1 TDS, Temperature and EC Meter with Carrying Case, 0-9999ppm, Ideal ppm Meter for Drinking Water, Aquariums and More (LX-TDS1)
TDS Meter Digital Water Tester, Lxuemlu Professional 3-in-1 TDS, Temperature and EC Meter with Carrying Case, 0-9999ppm, Ideal ppm Meter for Drinking Water, Aquariums and More (LX-TDS1)
9. 5
3
HM Digital DM-1 In-Line Dual TDS Monitor, 0-9990 ppm Range, +/- 2% Readout Accuracy
HM Digital DM-1 In-Line Dual TDS Monitor, 0-9990 ppm Range, +/- 2% Readout Accuracy
9. 1
4
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
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
8. 8
5
2020 UpgradedTDS Meter Digital Water Tester,WoEluone Professional 3 in 1 TDS,Temperature and EC Meter,0-9999ppm Meter,Accurate Ideal PPM Meter for Drinking Water, Aquariums,RO System and More
2020 UpgradedTDS Meter Digital Water Tester,WoEluone Professional 3 in 1 TDS,Temperature and EC Meter,0-9999ppm Meter,Accurate Ideal PPM Meter for Drinking Water, Aquariums,RO System and More
8. 6
6
TDS Meter, Water Quality Tester Filter Pen, Accuracy Testing Water Quality for Drinking Water Purity Test, Swimming Pools, Aquariums, Etc.
TDS Meter, Water Quality Tester Filter Pen, Accuracy Testing Water Quality for Drinking Water Purity Test, Swimming Pools, Aquariums, Etc.
8. 2
7
Aibrisk TDS and PH Meter,Digital Water Quality Tester,Perfect Water Test Meter Combination for Drinking Water, Aquariums, Swimming Pools and Other Water Systems
Aibrisk TDS and PH Meter,Digital Water Quality Tester,Perfect Water Test Meter Combination for Drinking Water, Aquariums, Swimming Pools and Other Water Systems
8. 0
8
HM Digital TDS-EZ Water Quality TDS Tester, 0-9990 ppm Measurement Range, 1 ppm Resolution, 3% Readout Accuracy
HM Digital TDS-EZ Water Quality TDS Tester, 0-9990 ppm Measurement Range, 1 ppm Resolution, 3% Readout Accuracy
7 .7
9
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.
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.
7. 4
10
Professional TDS ppm Conductivity Meter - Quick and Easy EC TDS and Temperature Test Pen | 0-9999 ppm with ± 2% Accuracy | Perfect 3-in-1 Tester For Ro Water Aquarium Hydroponics Coffee Pool etc.
Professional TDS ppm Conductivity Meter – Quick and Easy EC TDS and Temperature Test Pen | 0-9999 ppm with ± 2% Accuracy | Perfect 3-in-1 Tester For Ro Water Aquarium Hydroponics Coffee Pool etc.
7. 2

1. VIVOSUN pH and TDS Meter Combo, 0.05ph High Accuracy Pen Type pH Meter +/- 2% Readout Accuracy 3-in-1 TDS EC Temperature Meter

VIVOSUN pH and TDS Meter Combo, 0.05ph High Accuracy Pen Type pH Meter +/- 2% Readout Accuracy 3-in-1 TDS EC Temperature Meter

9.7/10 our score

I recently purchased the VIVOSUN pH and TDS Meter Combo, 0.05ph High Accuracy Pen Type pH Meter +/- 2% Readout Accuracy 3-in-1 TDS EC Temperature Meter and I must say, it’s an amazing product. It is extremely easy to use, and the results it gives are extremely accurate. It is a great tool for testing the pH, TDS, and temperature of aquariums, pools, spas, and hydroponics systems. The readout accuracy is also very impressive and it only takes a few seconds for it to register the results. Overall, this is an excellent product and it is highly recommended for anyone who needs to test the pH, TDS, and temperature of water. Highly recommended!

  • 0.05 pH high accuracy pen type pH meter with +/- 2% readout accuracy
  • 3-in-1 TDS, EC, and temperature meter
  • High accuracy and quick readings
  • Auto-calibration and easy-to-use controls
  • Backlit LCD display for easy reading and data storage
  • Comes with two calibration solutions
  • Waterproof design for easy cleaning and maintenance
  • Portable and lightweight design for easy carrying

2. TDS Meter Digital Water Tester, Lxuemlu Professional 3-in-1 TDS, Temperature and EC Meter with Carrying Case, 0-9999ppm, Ideal ppm Meter for Drinking Water, Aquariums and More (LX-TDS1)

TDS Meter Digital Water Tester, Lxuemlu Professional 3-in-1 TDS, Temperature and EC Meter with Carrying Case, 0-9999ppm, Ideal ppm Meter for Drinking Water, Aquariums and More (LX-TDS1)

9.5/10 our score

I recently purchased the Lxuemlu Professional 3-in-1 TDS, Temperature and EC Meter with Carrying Case, and I am thoroughly impressed. This meter is an excellent tool for testing the purity of drinking water, aquariums, and more. It offers accurate readings up to 9999ppm, and the temperature and EC readings are also highly accurate. The included carrying case makes it convenient to take with me on the go, and the design of the meter is very easy to use. After using this meter, I am confident that it is an excellent tool for testing the purity of water. Highly recommended!

  • 3-in-1 TDS, Temperature, and EC Meter
  • Measures up to 9999ppm of Total Dissolved Solids (TDS)
  • High accuracy and quick response time
  • Pocket size and portable design
  • Auto-off function
  • Comes with a carry case for easy storage and transport
  • Ideal for testing drinking water, aquariums, pools and more
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3. HM Digital DM-1 In-Line Dual TDS Monitor, 0-9990 ppm Range, +/- 2% Readout Accuracy

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

9.1/10 our score

I recently purchased the HM Digital DM-1 In-Line Dual TDS Monitor, 0-9990 ppm Range, +/- 2% Readout Accuracy, and I have been incredibly impressed! The monitor is incredibly easy to setup and use, with a very intuitive design and interface. The monitor also has a wide range of readings and is incredibly accurate, with a +/- 2% readout accuracy. It’s also incredibly durable and well-made, and has been working perfectly since I first set it up. Overall, I would highly recommend the HM Digital DM-1 In-Line Dual TDS Monitor to anyone looking for an accurate and reliable TDS monitor.

  • HM Digital DM-1 In-Line Dual TDS Monitor: Allows for simultaneous monitoring of both input and output TDS levels.
  • Range: 0-9990 ppm.
  • Readout accuracy: +/- 2%.

4. 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

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

8.8/10 our score

I recently purchased the TDS Meter Digital Water Tester by DUMSAMKER and I have to say that I am really impressed with this product. It is a 3-in-1 TDS, Temperature and EC Meter with a carrying case, making it ideal for measuring the quality of drinking water, aquariums and more. The range is 0-9999ppm, which is very impressive, and the accuracy is fantastic. I found it really easy to use and the results were accurate and reliable. The carrying case was also great as it made it easy to store and transport the tester. Overall I would highly recommend this product to anyone looking to measure TDS, temperature and EC in their water.

  • 3-in-1 Function: Professional TDS, temperature and EC meter for testing water purity of drinking water, aquariums, pools and more.
  • High Accuracy: Featuring a 0-9999ppm measurement range and 0.1ppm resolution, the DUMSAMKER TDS Meter is one of the most accurate meters on the market.
  • Portable Design: The included carrying case and wrist strap allow for easy portability and storage when not in use.
  • Easy to Use: The DUMSAMKER TDS Meter features a large LCD display with a backlight, making it easy to read even in low light.
  • Long-Lasting: The DUMSAMKER TDS Meter is powered by two AAA batteries (not included) and has an automatic shut off feature for long-lasting use.

5. 2020 UpgradedTDS Meter Digital Water Tester,WoEluone Professional 3 in 1 TDS,Temperature and EC Meter,0-9999ppm Meter,Accurate Ideal PPM Meter for Drinking Water, Aquariums,RO System and More

2020 UpgradedTDS Meter Digital Water Tester,WoEluone Professional 3 in 1 TDS,Temperature and EC Meter,0-9999ppm Meter,Accurate Ideal PPM Meter for Drinking Water, Aquariums,RO System and More

8.6/10 our score

I recently purchased the 2020 UpgradedTDS Meter Digital Water Tester,WoEluone Professional 3 in 1 TDS,Temperature and EC Meter,0-9999ppm Meter,Accurate Ideal PPM Meter for Drinking Water, Aquariums,RO System and More and I am extremely impressed. This is a great product for anyone who is looking for an easy way to measure the levels of TDS, temperature, and EC in their water sources. It is also very accurate and reliable, making it a great choice for anyone who needs to monitor their water sources. The LCD display is also very easy to read and operate, making it great for beginners. I would highly recommend this product to anyone looking for an easy and reliable way to measure the levels of their water sources.

  • 2020 Upgraded TDS Meter Digital Water Tester
  • 3-in-1 design measures TDS, temperature, and electrical conductivity (EC)
  • Accurate measurement range of 0-9999ppm
  • Automatic shutoff after 10 minutes of inactivity
  • IP67 waterproof and dustproof construction
  • LCD display with backlight
  • Ideal PPM Meter for Drinking Water, Aquariums, RO System, etc.

6. TDS Meter, Water Quality Tester Filter Pen, Accuracy Testing Water Quality for Drinking Water Purity Test, Swimming Pools, Aquariums, Etc.

TDS Meter, Water Quality Tester Filter Pen, Accuracy Testing Water Quality for Drinking Water Purity Test, Swimming Pools, Aquariums, Etc.

8.2/10 our score

I recently purchased the TDS Meter, Water Quality Tester Filter Pen and I must say I am very pleased with its performance! The accuracy of the testing is spot on and I love that I can use it to test the water quality of my drinking water, swimming pools, and aquariums. It has a great LCD display and the pen is very easy to use. It also comes with a carrying pouch and a packing box, which is a very nice touch. Overall, I highly recommend this product for anyone looking for an accurate and reliable water quality tester!

  • Accurately test the water quality for drinking water purity test, swimming pools, aquariums, etc.
  • LCD digital display that provides a real-time reading of your water quality
  • Compact and portable design that allows you to take the tester with you wherever you go
  • Uses a TDS (Total Dissolved Solids) meter to quickly and accurately measure the TDS content in the water
  • Easily calibrate the tester with the push of a button
  • Auto shut off after 10 minutes of inactivity to save battery life
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7. Aibrisk TDS and PH Meter,Digital Water Quality Tester,Perfect Water Test Meter Combination for Drinking Water, Aquariums, Swimming Pools and Other Water Systems

Aibrisk TDS and PH Meter,Digital Water Quality Tester,Perfect Water Test Meter Combination for Drinking Water, Aquariums, Swimming Pools and Other Water Systems

8/10 our score

I recently purchased the Aibrisk TDS and PH Meter and it has been a great purchase. This digital water quality tester is perfect for testing the quality of drinking water, as well as other water systems, like aquariums and swimming pools. It is very easy to use and includes two separate meters for testing the pH and total dissolved solids of the water. The readings are accurate and can be easily read on the large LCD display. The product also comes with a carrying case, making it easy to transport and store. Overall, I am very happy with this product and would highly recommend it to anyone looking to test the quality of their water.

Features of the Aibrisk TDS and PH Meter include:

  • Digital Water Quality Tester
  • Perfect Water Test Meter Combination for Drinking Water, Aquariums, Swimming Pools and Other Water Systems
  • High-accuracy readings in just seconds
  • Compact, handheld design for convenient portability
  • Large LCD display for easy reading
  • Auto power-off for energy saving
  • Easy calibration for accurate readings

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

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

7.7/10 our score

I recently purchased the HM Digital TDS-EZ Water Quality TDS Tester and I am very pleased with its performance. It is accurate and reliable, with a measurement range of 0-9990 ppm, a resolution of 1 ppm, and a 3% readout accuracy. It also has an easy-to-read LCD display that is clear and accurately displays readings. It also comes with a carrying case for easy transport and storage. Overall, I’m very happy with my purchase and would highly recommend this water quality tester for anyone looking for an accurate and reliable tester.

  • Product Name: HM Digital TDS-EZ Water Quality TDS Tester
  • Measurement Range: 0-9990 ppm
  • Resolution: 1 ppm
  • Readout Accuracy: 3%

9. 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.

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.

7.4/10 our score

I recently purchased the HoneForest TDS Meter, EC Meter & Temperature Meter 3 in 1 and it has been a great tool for testing water quality. This unit accurately and reliably tests the Total Dissolved Solids (TDS) levels between 0-9990 ppm, making it ideal for testing the water quality of drinking water, aquariums, and more. The unit is easy to use, with a digital display that is easy to read and understand. The results are also very accurate and consistent, so I can trust the results I am getting. I would highly recommend this water quality tester for anyone who needs an accurate and reliable way to measure the quality of their water.

  • Accurate and reliable
  • HoneForest TDS Meter, EC Meter & Temperature Meter 3 in 1
  • Measures up to 0-9990ppm
  • Ideal for testing drinking water, aquariums, etc.

10. Professional TDS ppm Conductivity Meter – Quick and Easy EC TDS and Temperature Test Pen | 0-9999 ppm with ± 2% Accuracy | Perfect 3-in-1 Tester For Ro Water Aquarium Hydroponics Coffee Pool etc.

Professional TDS ppm Conductivity Meter - Quick and Easy EC TDS and Temperature Test Pen | 0-9999 ppm with ± 2% Accuracy | Perfect 3-in-1 Tester For Ro Water Aquarium Hydroponics Coffee Pool etc.

7.2/10 our score

I recently purchased the 10. Professional TDS ppm Conductivity Meter and I am very impressed with the quality and features of it. This 3-in-1 tester is perfect for a wide range of uses, from testing RO water for aquariums, to testing hydroponics, or even testing coffee or pool water. The accuracy of the meter is impressive, with ± 2% accuracy. I like that the display is backlit, making it easier to read in low light conditions. The meter also has a temperature test pen, which is a great feature. I also appreciate the auto-off feature that helps conserve battery life. Overall, I’m very satisfied