Best TDS Meters

TDS meters indicate the level of total dissolved solvents in water. It is the most efficient way to check the quality of your drinking water.

These meters have high precision, give easy to understand readings and some even come with in-built thermometers. With this portable device, you can conveniently check the functioning of the RO membrane in your water purifier.

If you are looking for a TDS meter that can help you check the hardness and overall quality of water, we have the best list for you.

1. Digital LCD TDS Meter

Award: Best in Value 

Tagline Heading: Built-in thermometer

It has an in-built thermometer that lets you check the water temperature, which can help maintain a fish-tank or hydroponic. 

Product Description

The Digital LCD TDS Meter comes with a rugged and durable plastic build. With a 0.3-micron rating, the meter uses a polypropylene filter to test out the water quality. It provides results with high precision. Its large screen displays the TDS count, temperature and parts per million(PPM) accurately. The hold function on this meter works ideally to save the readings and keeps track of them. The package also includes a small stitched leather case to store the meter.

2. KONVIO NEER Digital LCD TDS Meter

Award: Best in Accuracy

Tagline Heading: Auto-off function

The auto-off function shuts off the meter if left idle for 10 minutes, saving battery life.

Product Description

This KONVIO NEER TDS meter shows exact readings on its digital LCD panel. It features several different functions such as a built-in thermometer, hold-function and can test the purity of pools, aquariums, drinking water and more. The panel symbolizes good graphics that are easy to understand and read. This meter is perfect for your RO membrane in the water purifier as well. It checks whether the membrane is functioning well or not. The portable meter has a carry case for easy storage.

3. WELLON Pocket Digital LCD TDS Meter

Award: Best Quality

Tagline Heading: Switches between modes

You can measure the TDS per cent and the water temperature simultaneously by switching between the TEMP controls. 

Product Description

Wellon offers this highly premium TDS meter that gives high precision readings due to its advanced microprocessor technology. With its high testing-range of 0-9990ppm, it becomes an ideal tool for both commercial and personal use. Other features like hold-function and the auto-off function offers good usability, and the in-built thermometer makes it quite helpful and versatile. The meter is also waterproof and long lasting.

4. Nexqua Dew Digital TDS Meter

Award: Best in Usability 

Tagline Heading: Highly Accurate TDS Meter

The meter comes with premium quality titanium probes that ensure highly accurate readings at various temperatures.

Product Description

Nexqua Dew digital TDS meter has high precision and is easy to use. Its detection chip displays readings in one second and automatically turns off with 10 minutes of inactivity. The backlight LCD screen has an auto-lock function for an easy read. It is suitable for testing all kinds of water.

Things to consider while buying a TDS meter

Measuring Range

Usually, most TDS meters have different measurement ranges. When it comes to picking the best one, you should always look for the one that can easily measure between the 0-9990ppm range. In case you want to use it for professional purposes, a TDS meter with a higher measurement range will deliver more accurate results. 

Hold-Function

It is necessary to check for the hold-function on any TDS meter as it is simply an important feature. It saves multiple previous readings that help you compare different water samples and improve the water quality accordingly. This feature often comes in handy while installing water purifiers and balancing the quality-levels.

Battery-saving Features

Since TDS meters are often used by professionals, you should be looking for the one that offers a decent battery life. Although some TDS meters come with good battery life already, having an extra feature such as an auto-off feature improves battery life even more.