TDS meters stand as indispensable tools for measuring the Total Dissolved Solids in water, a key indicator of water quality.
To guide you in selecting the best TDS meters for your needs, we have embarked on an extensive testing and evaluation process, engaging with water quality experts. Our goal was to not only assess the accuracy and reliability of each TDS meter but also to examine their ease of use and durability in real-world conditions. For this, we have considered three key factors
- TDS Range: When purchasing a TDS meter, look for one with a wide measurement range, typically 0-9990 PPM, to cover various water quality assessments.
- Functions: Beyond TDS measurement, consider meters with additional capabilities such as temperature, electrical conductivity (EC), and pH level readings for enhanced versatility.
- Secondary Ranges: Check the reading ranges for these additional functions, such as temperature (32.0-176.0°F) and pH (0 to 14), with broader ranges offering more comprehensive analysis options.
In our testing process, 10 products have been shortlisted for our list of the best TDS meters. We have provided detail reviews of our testing process and “Buying Guide” below for your reference.
Best TDS Meters
| Best TDS Meters | Accuracy | Range | Buy Now |
|---|---|---|---|
| VIVOSUN pH and TDS Meter Combo | ± 2% | 0-9990ppm | Check On Amazon |
| HoneForest TDS Meter | ± 2% | 0-9990ppm | Check On Amazon |
| HM Digital TDS-EZ Meter | ± 3% | 0-9990ppm | Check On Amazon |
| Lxuemlu TDS Meter | ± 2% | 0-9990ppm | Check On Amazon |
| DUMSAMKER TDS Meter | ± 2% | 0-9990ppm | Check On Amazon |
| ZeroWater ZT-2 TDS Meter | - | 0-9990ppm | Check On Amazon |
| Hofun TDS Meter | ± 2% | 0-9990ppm | Check On Amazon |
| Health Metric TDS Meter | ± 2% | 0-9999ppm | Check On Amazon |
| HM Digital TDS-3 Handheld TDS Meter | ± 2% | 0-9990ppm | Check On Amazon |
| WoEluone Digital Water TDS Meter | ± 2% | 0-9990ppm | Check On Amazon |
Best TDS Meters Reviews
1. VIVOSUN pH and TDS Meter Combo
Vivosun is a highly popular and reputable brand of measurement devices and tools that you can consider if you are looking for a feature rich TDS meter with multiple functions.
The Vivosun TDS meter is present at the 1st position in this list since it offers a great value for money thanks to the various functions it offers. As for its primary function of checking TDS, you get a TDS range of 0-9990 PPM with it
As for its other functions, you can either check temperature between 32.0-176.0°F or check the pH level between pH 0-14 using this meter. You also get a high accuracy of ±2% with this meter to get the right readings. And for the given price, its 1 year warranty is also expected.
Best Features
- Offers a TDS range of 0-9990 PPM
- Supports functions of checking TDS, pH, EC
- Comes with a 1 year warranty
Pros
- High value for money with multiple functions
- Accurately shows TDS and pH values
- Easy to use controls and display
Cons
- Not a backlit display for the given price
2. HoneForest TDS Meter
If you are looking for reputable and popular brands of measurement instruments like TDS meters, then HoneForset and offerings including the one listed here can be a great pick.
HoneForset’s TDS meter is present at the 2nd position in this listicle as this is a great option for long term usage. Apart from being highly reliable and durable, this is also a versatile TDS meter with a TDS range of 0-9990 PPM.
Speaking of versatility, you will be glad to know that this TDS meter can also be used to check electrical conductivity and temperature of water. You can easily switch between these modes using the auto-lock LCD display. But the key feature of this TDS meter is its warranty period of 3 years which is quite high for most users.
Best Features
- Offers a TDS range of 0-9990 PPM
- Supports functions of checking TDS, temperature, EC
- Comes with a 3 year long warranty
Pros
- Great for long term usage
- Versatile display unit with multiple controls
- High TDS range for versatility
Cons
- Lacks an accuracy rating
3. HM Digital TDS-EZ Meter
The HM Digital TDS-EZ meter is both simple and effective for water testing. It has an easy interface and a sturdy design, making it essential for checking water purity. It’s great for home use, like testing tap water or managing aquariums or pools.
This meter stands out with its precise measurements, capable of reading up to 9990 ppm. This wide range makes it great for various water quality needs. It also features an auto-off function that helps save battery life, which is great for regular use.
One downside is its reliance on temperature for accurate readings, which can lead to inconsistency due to temperature changes. Yet, its long battery life and clear LCD display make it a dependable choice for daily use.
Best Features
- The device measures a range from 0 to 9990 ppm.
- It offers an impressive battery life of approximately 1000 hours.
- An auto-off feature activates after 10 minutes to conserve battery.
- Calibration is performed manually using a mini-screwdriver.
Pros
- Highly efficient and accurate
- Easy-to-read display
- Long battery life
- Lightweight and portable
Cons
- Requires occasional recalibration
- Plastic build feels less durable
4. Lxuemlu TDS Meter
Lxuemlu is another brand of testing tools and devices that are ideal for long term usage as they are known to be highly reliable while being quite functional and versatile.
The Lxuemlu TDS meter is present in the 1st position in this list since it offers a great value for money thanks to the various functions it offers. As for its primary function of checking TDS, you get a TDS range of 0-9990 PPM with it.
Moving over to the other functions offered by this TDS meter, you can also use it to check the temperature and the electrical conductivity of water with ease. Coming to the key feature of this TDS meter, you will be glad to know that it is backed by a 3 year warranty making it highly reliable.
Best Features
- Offers a TDS range of 0-9990 PPM
- Supports functions of checking TDS, temperature, EC
- Comes with a 3 year warranty
Pros
- Highly reliable and durable TDS meter
- High range for all modes
- Auto off and hold features
Cons
- Does not mention any accuracy rating
5. DUMSAMKER TDS Meter
Dumsamker is a fairly new brand of TDS meters that can still be great for many who want a feature rich TDS meter without spending a premium for the same.
This Dumsamker TDS meter is present at the 3rd position in this article as you get a lot of handy functions and features with this TDS meter. To allow you to check and test possibly all drinking water samples, you get a pretty high TDS range of 0-9999 PPM with this TDS meter.
Coming to the functions supported by this TDS meter, it can be used to check both the temperature as well as the electrical conductivity apart from TDS values of water which is quite great for the given price. You also get a decent 1.5 year warranty with this TDS meter which is appreciated considering its average build quality.
Best Features
- Offers a TDS range of 0-9999 PPM
- Supports functions of checking TDS, temperature, EC
- Comes with a 1.5 year warranty
Pros
- Multiple handy functions for testing water
- Auto shut off and hold functions
- Pretty high TDS range for testing
Cons
- Build quality could have been better
6. ZeroWater ZT-2 TDS Meter
The ZeroWater ZT-2 TDS meter is very easy to use, making it perfect for home use. Ideal for domestic use, it ensures that you are well-informed about the effectiveness of your water filters, signaling the right time for their replacement with precision. Its minimalistic design and one-button operation make it accessible even for those new to using TDS meters.
This model’s robust functionality is encapsulated in a sleek, pocket-sized gadget that delivers quick readings. Despite its compact form, concerns about its build quality persist, as some users report issues with rust near the battery compartment. This could be a drawback for those seeking a long-lasting tool.
Best Features
- The device measures a range of 0-999 ppm.
- It boasts an impressive battery life of 500 hours.
- Equipped with an auto-off feature for energy efficiency.
Pros
- Simple one-button operation
- Compact and portable design
- Immediate readings with minimal setup
- Ideal for personal use and filter monitoring
Cons
- Regular battery replacement needed
- Not equipped for professional-level water testing
7. Hofun TDS Meter
Hofun is known to be offering all kinds of measurement tools and devices that are generally quite handy including its TDS meter given here that offers various features to the user.
The Hofun TDS meter is present in the 1st position in this list since it offers a great value for money thanks to the various functions it offers. As for its primary function of checking TDS, you get a TDS range of 0-9999 PPM with it. This TDS range is combined with an indicator light for telling you whether your water sample is safe to drink or not.
Because this TDS meter also features other functions like electricity conductivity and temperature testing which can be quite handy. While it might not be the longest, you also get a decent 1 year warranty with this TDS meter.
Best Features
- Offers a TDS range of 0-9999 PPM
- Supports functions of checking TDS, temperature, EC
- Comes with a 1 year warranty
Pros
- Offers multiple handy functions
- Easy to use display with indicator color light
- Great build quality with decent warranty
Cons
- Lacks any accuracy rating
8. Health Metric TDS Meter
The Health Metric TDS meter sets a new standard for versatility and accuracy in its class. It’s designed for a wide array of applications, from home aquariums to sophisticated laboratory settings. What truly sets it apart is its titanium alloy probe and the latest sensors which deliver near-lab accuracy, making it a standout choice for meticulous testers.
This meter measures more than TDS; it also checks Electrical Conductivity (EC) and temperature. It gives a complete view of water quality in a small tool. It provides quick, accurate readings without needing pre-calibration. Despite its advanced capabilities, it remains user-friendly, appealing to both novices and experts.
Best Features:
- Measures TDS from 0-9999 ppm and EC from 0-9990 μs/cm.
- Provides up to 750 hours of use.
- Automatically turns off to save battery.
- Allows for precise adjustments and accuracy.
Pros:
- Broad measurement capabilities
- High accuracy and reliability
- Robust titanium alloy probe
- Easy to use and calibrate
- Portable with a protective leather case
Cons:
- Higher price point compared to simpler models
- Manual might require careful reading for optimal use
9. HM Digital TDS-3 Handheld TDS Meter
Coming to the final option listed in this listicle, we have HM Digital which is known for making all kinds of digital measurement tools like its TDS meter given here.
With the HM Digital TDS meter, you get almost everything that you would want from your TDS meter making it quite similar to most other options given here. Just like many other TDS meters, this one also has a 0-9990 PPM TDS range for use in all kinds of scenarios.
Moving over to its functions, it supports checking temperature and electrical conductivity as well which can be quite handy in many scenarios. If you want to use this TDS meter for a long time, then you will be glad to know that it also features a 3 year long warranty which is quite good for most users.
Best Features
- Offers a TDS range of 0-9990 PPM
- Supports functions of checking TDS, temperature, EC
- Comes with a 3 year long warranty
Pros
- Includes a handy carrying case
- Pretty long warranty period
- Multiple handy functions and modes
Cons
- Does not offer a backlit display
10. WoEluone Digital Water TDS Meter
WoEluone is another brand of TDS meters that won’t be overlooked while shopping for an affordable yet versatile TDS meter model which offers various functions and features.
With this TDS meter digital water quality tester, you get a standard TDS range of 0 – 9990 PPM that is great to test and ensure safe drinking water. This 3-in-1 professional TDS, temperature (both in Celsius, & Fahrenheit), and conductivity (EC) pen have to be inserted in the water to know its auto-locked readings on the backlit LCD, which means it holds function for convenient recording. Also, there is a reference chart at its back for TDS measurement and figuring out whether it is safe to drink or not.
The probe is made of titanium alloy, which is completely safe and easy to use. Its reliable automatic temperature compensation (ATC) offers a precise reading of EC, and TDS (±2%) even at different temperatures (both °C & °F). The meter gets shut off automatically if there is no operation for 2 minutes to conserve the batteries. With its low-power backlight technology, you can test the water even in dark places or at night.
It is compact, small, portable, and lightweight that is convenient to carry around thanks to its leather carrying case with a belt. It monitors and tests the water quality in various places like laboratories, pools, drinking water (RO/DI system), hydroponics, aquarium, spas, wine, and other water sources.
Usually, the lower the TDS level in the water, the safer the water to drink. Even though this TDS meter won’t come with any warranty, yet it is a reliable option that lasts longer.
Best Features
- Offers a TDS range of 0 – 9990 PPM
- Supports functions of checking EC, TDS, and temperature
- Instant results on backlit LCD
- Automatic temperature compensation (ATC)
- Auto-off function and hold function (lock and record the reading).
- Can be used in various water sources
- Compact, versatile, and convenient case to carry a TDS meter.
Pros
- Great build quality and provide accurate readings.
- Large capacity batteries for longer life (≥3 years).
- Safer, reliable, and affordable options.
- Easy to clean the probe and sheath
- A colorful TDS chart on the back to get an idea of PPM readings
Cons
- No information on its warranty.
- Lacks an accuracy rating.
Buying Guide for the Best TDS Meters
As you would know, it is highly important to ensure that you are drinking clean and safe water since it is highly important for your health. This simply means to ensure that your drinking water is free from all impurities. To check the same, you can use one of the best TDS meters given up above. With these different TDS meters, we have also given their important details and features. And if you wish to know even further, consider checking out this extensive buying guide for the best TDS meters:
1. TDS Range
Before you go ahead and get a TDS meter for testing the water in your home, it is quite important to ensure that your TDS meter can show values over a large range. In other words, make sure to check that the TDS range of your TDS meter is high enough. Fortunately, all TDS meters including the best ones given above offer a TDS range of 0-9990 PPM or similar which should be more than enough for testing drinking water.
2. Functions
To offer you high versatility and a practical TDS meter, almost all TDS meters feature multiple functions in them. This includes multiple functions for checking TDS, temperature, electrical conductivity or EC, and the pH level of a given water sample. If your TDS meter also supports multiple functions such as these, you can properly test water to ensure that it is good for drinking.
3. Secondary Ranges
If your TDS meter offers one of multiple of the different functions discussed earlier, then it is also a great idea to check the range of these secondary functions. For the same, you can find ranges like temperature range of 32.0-176.0°F, pH range of 0 to 14, and more. Similar to the TDS range, these other ranges are also going to be more versatile with a larger range.
4. Controls
In order to use a TDS meter, you are also going to need its controls and display because of which you should also check them. While all TDS meters come with basic controls for switching modes and a display for checking the readings, a few TDS meters may also offer backlit displays as well as indicators for whether a given water sample is safe to drink or not.
5. Warranty
Upon checking and getting the right TDS meter for your needs, you would also want it to last for as long as possible. And because of this, it is always a great idea to check the warranty offered by your TDS meters. While almost all of them offer at least a 1 year long warranty, many models also feature 3 year long warranty for your peace of mind and making them ideal for long term usage.
TDS Meters – FAQs
Ans: A TDS meter measures the Total Dissolved Solids in water, indicating the concentration of dissolved substances.
Ans: Knowing the TDS level helps assess water purity, essential for drinking safety, aquariums, hydroponics, and more.
Ans: TDS meters measure overall dissolved solids, not specific contaminants; further testing is needed for detailed analysis.
Ans: Calibrate your TDS meter as recommended by the manufacturer, usually every few weeks or months, depending on usage.
Ans: TDS meters offer a general accuracy level suitable for most applications, but precision varies among models and usage.
Ans: The EPA recommends a TDS level of 500 ppm or less for drinking water, though lower levels are often preferred for taste.
Ans: Yes, TDS meters are useful for monitoring salt levels in aquariums, ensuring a safe environment for marine life.
Ans: Minimal maintenance, like cleaning the electrodes and occasional calibration, is needed for accurate readings.
Ans: Simply immerse the meter’s sensor in water and read the displayed measurement for the water’s TDS level.
Ans: TDS meters are available online, at hardware stores, and places selling water quality testing equipment.
Conclusion
TDS levels indicate water’s purity, ideally below 40 ppm. For those seeking suitable TDS meters, our guide and reviews offer insights. Here are quick picks:
- Budget Choice: The DUMSAMKER TDS Meter is affordable, measuring up to 9999 PPM with temperature and conductivity functions.
- pH and TDS: The VIVOSUN pH and TDS Meter Combo also measures pH, offers 0-9990 PPM range, ± 2% accuracy, and includes a 1-year warranty.
- Long-Term Use: The HoneForest TDS Meter with a 3-year warranty, focuses on TDS up to 9990 PPM with reliable accuracy.
