Best Tds 3 Messgert 2026

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Last Updated - 22.07.2026

Best Choice

01

HM Digital

HM Digital Handheld TDS-3 Tester

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9.6

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Portable design: lightweight and compact, with convenient carry bag for easy carrying
PRECISE TDS MEASUREMENT Accurately reads the total dissolved solids (TDS) in your water, from 0 to 9990 ppm
EASY TO READ DISPLAY Features a digital display for clear readings at a glance
Built-in thermometer: measures water temperature for more accurate TDS measurements
BATTERY OPERATED: Powered by batteries for convenient, cordless use

24,90 €
02

VIVOSUN

VIVOSUN Digital pH and TDS Meter Kits, 0.01 pH High Accuracy Pen Type pH Meter ± 2% Reading Accuracy 3-in-1 TDS EC Temperature Meter for Hydroponics, Pool and Aquarium, Black and White

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9.5

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

User-friendly features: large backlit LCD screens ensure clear readability in all lighting conditions; Unique hold function locks readings for easy reading and recording; Memory function preserves settings after power interruptions so you don't have to reset after unexpected shutdowns
Precision measurement with ATC: Equipped with ultra-sensitive electrodes, both testers deliver fast, reliable results; they also have automatic temperature compensation (ATC) that adapts to water temperature fluctuations, so you always get accurate readings, regardless of temperature conditions
Multiple Applications This combination is perfect for monitoring pH, TDS, EC and temperature of your drinking water to protect your family. It is also ideal for checking the water quality of swimming pools, spas, RO systems, hydroponic systems, aquariums and more
HIGHLY ACCURATE PH TESTER: measures pH values from 0.00 to 14.00 with ± 0.1 pH accuracy; features one-button automatic calibration with included buffer powder packs for easy setup
3 in 1 TDS Tester: Accurately measures TDS (fully dissolved solids), EC (electrical conductivity) and temperature (℃/℉ switchable), meets your diverse needs; Measuring ranges: 0-9999ppm TDS, 0-9999µS/cm EC, 0.1-80℃ / -0.0-80.0°C temp.

23,98 €
03

HM Digital

HM Digital TDS Tester TDS-3 Handheld TDS Meter

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9.4

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

TDS measuring range: 0-9990 ppm
Hold and auto-off function
For commercial and domestic use
Colour: beige

19,90 €
04

Aideepen

Aideepen Water Quality Test Meter, 3 in 1 Digital TDS/EC/TEMP Water Tester for Drinking Water with LCD Backlight, Non-Slip Design for Pool, Aquarium, Swimming Pool, Pond

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9.2

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Water tester drinking water measuring range: conductivity: 0-9999us/cm, TDS:0-9999ppm, Celsius:0-60℃, Fahrenheit:32-140℉, accuracy: ±2%.
Versatile The TDS meter is suitable for home and laboratory water quality testing, such as household water, barrel water, water purifier, swimming pool water, agricultural water, water quality in fish tanks, experimental testing, floriculture, aquaculture. (Please contact us if you have any questions)
Multi-mode switching: click the shift button to switch between TDS and conductivity, the meter will factory display the TDS value; 2 consecutive touch of the shift button, Celsius Fahrenheit switching, the meter is factory preset to Celsius. Press HOLD to lock to lock the data.
High precision: PPM water meter uses a highly sensitive probe made of an alloy to measure water quality and a built-in high-precision temperature sensor with automatic temperature compensation for a variety of environments. And it adopts ribbed anti-slip design.
3-in-1 water tester: the TDS measuring device for drinking water consists of a TDS meter, an EC meter and a thermometer. You can use it to measure the fertiliser concentration, the degree of impurity and the temperature of the water, which is convenient for vegetable growing or aquaculture.

8,54 €
Value for Money

05

KINGOZOYI

TDS Measuring Device for Drinking Water, 3 in 1 Digital Water Quality Tester, EC Temperature Meter for Drinking Water Pool Aquarium Fish Pond Swimming Pool

18% Off

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9.1

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

【MULTIPLE USES】: Ideal for checking the pH of drinking water, swimming pools, aquariums, hydroponics, laboratories, tap water etc; ideal for home or laboratory use.
TDS meter: press the switch and immerse the test pen in the water to be tested. The lower the TDS value, the lower the content of dissolved solids in the water and the purer the water
LCD display, mode conversion: simultaneous display of water TDS / conductivity EC and temperature values, HD backlight, data hold function, easy to handle a wide range of environments. Press the "SHIFT" button to switch between TDS/EC mode, Celsius/Fahrenheit mode
High precision, high quality: conductivity: 0-9990us/cm, TDS: 0-9990ppm, Celsius: 0.1-80.0°C, Fahrenheit: 32.0-176.0°F, accuracy: ±2%. Equipped with automatic temperature compensation (ATC) to ensure accurate readings at different temperatures.
3 in 1 design: the water quality tester consists of a TDS meter, an EC meter and a temperature meter. Can be used for testing drinking water, hydroponics or filled aquarium water.

8,99 € 10,99 €(18% Off off)
06

HM Digital

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

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8.9

Very Good

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Main highlights

TDS-EZ meters are calibrated with a 342 ppm NaCl solution. Meters can be recalibrated with a
Measurement range: 0-9990 ppm. From 0-999 ppm, the resolution is in increments of 1ppm. From 1000
Hold Function: saves measurements for convenient reading and recording.
Economy model that is ideal for end-users. Highly efficient and accurate due to its advanced
Auto-off function: the meter shuts off automatically after 10 minutes of non-use to conserve

21,39 €
07

HIXO

HIXO 1 x TDS Meter (ppm) TDS Meter with Titanium Probe - Water Tester - Water Quality for Drinking Water, Osmosis, Aquarium, Hydroponics, Pool & Fountain

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8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

[Titanium Probe with ATC - Exact & Stable Values] Corrosion-resistant probe plus automatic temperature compensation (ATC) deliver reliable results in a few seconds - without influence of fluctuations.
[PRECISE TDS MEASUREMENT - 0 to 9990ppm] Factory calibrated, resolution (1000-9990ppm) - reliably detects dissolved solids, salts & metals in water as well as water hardness. If you want to determine the water hardness in German hardness, divide the TDS ppm reading by 17.8. Then you will receive the German hardness (dH).
[MULTI-PURPOSE - Water Filter, Aquarium & More] Perfect for testing tap and well water, osmosis & filter systems, descaling system, hydroponic nutrient solutions, aquariums, pool & spa water or coffee/tea machines. The conductance meter is an excellent companion for your measurements.
[HOLD & AUTO-OFF - Pure operating comfort] HOLD button stores the reading, large LCD shows it clearly; automatic switch-off after 5 minutes protects the batteries (2 × AG13 batteries, included).
[Compact & Robust - Always Ready to Use] Lightweight pocket format with protective cap fits in any tool or camping bag - ideal for household, office, travel or outdoors.

6,89 €
08

Aideepen

Aideepen TDS Drinking Water Meter, 3 in 1 TDS/EC ppm Meter Water with Backlight, Water Quality Tester for Pool, Drinking Water, Aquarium, Swimming Pool

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8.4

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Water tester drinking water measuring range: conductivity: 0-9999us/cm, TDS:0-9999ppm, Celsius:0.1-80.0°C, Fahrenheit:32.0-176.0°F, accuracy: ±2%.
Versatile The TDS meter is suitable for home and laboratory water quality testing, such as drinking water, tap water, aquariums, ponds, swimming pools, filtered water, bottled water. Vue du manuel en allemand : All characters in brackets must be entered (http://8.217.75.21/Aideepen/B0CDH629WN DE.pdf)
Multi-mode switching: click the shift button to switch between TDS and conductivity, the meter will factory display the TDS value; 2 consecutive touch of the shift button, Celsius Fahrenheit switching, the meter is factory preset to Celsius.
EC meter calibration method: 1. Prepare tools: solution with known value 2. Press the first ON/OFF switch to turn on the device. 3. Remove the electrode shield. 4. Place the electrode in a solution of known value and gently swing the solution to remove any air bubbles around the electrode. 5. In the detection state, press and hold the middle button for 5 seconds and then press buttons 1 and 3 to adjust the known solution value up and down. This completes the calibration. The calibration standard solution is EC: 1413 μS/cm (not included)
Calibration function: if there is a measurement inaccuracy, a calibration measurement can be performed. (Comes factory calibrated. Calibration solution not included.)
Automatic shut-off function: the EC meter stores the reading for easy reading and recording and turns off after 5 minutes of inactivity to extend the life of the battery.
3-in-1 water quality tester: the TDS measuring device for drinking water consists of a TDS meter, an EC meter and a thermometer. You can use it to measure the fertiliser concentration, the degree of impurity and the temperature of the water, which is convenient for vegetable growing or aquaculture.

8,99 €
09

Joyan

Water Quality Test Meter, LCD Digital TDS-3 Metres for Drinking Water Quality, Portable TDS/Temp Water Tester Pen Water Quality Test Tool for Drinking Water, Aquarium, Swimming Pool

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8.3

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Wide Application This TDS meter is versatile, both for home and laboratory use. It is suitable for assessing water quality from different sources, including drinking water, tap water, aquarium ecosystems, ponds, swimming pools, filtered water systems and bottle water, and ensures accurate analysis for different requirements.
Measuring functions: Our device operates with a supply voltage of 3 V and has an extensive measuring range, including TDS values from 0 to 9990 ppm and temperatures from 0.1 °C to 65.0 °C, all with a remarkable accuracy of ±2%.
Intelligent power saving mode: our device has been designed with energy saving in mind and provides instant detection and display as well as clear readings for easy viewing and recording. It intelligently switches off after 5 minutes without use, maximising battery life and maintaining the service life for longer use.
Effortless mode switching: Easily switch between TDS measurement and conductivity values with a single push of a button, with TDS being the standard display. Double tap the button to seamlessly switch between the temperature scales Celsius and Fahrenheit, with Celsius the factory preset.
Dual-use innovation: this 2-in-1 TDS meter and thermometer for drinking water revolutionises your water quality monitoring. It seamlessly measures both the degree of contamination and temperature, making it an ideal companion for garden lovers, hydroponic plants and aquaculture practices.

6,99 €
10

Pawfly

Pawfly 3-in-1 TDS Meter Digital Water Tester, TDS EC and Temperature (℃/℉) Meter, Fast Accurate Water Tester, 0-9999ppm Water Quality Tester for Drinking Water Fountain Aquarium

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8.1

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Wide Application This portable TDS meter is great for testing drinking water, tap water and water in wells or aquariums. Good to check whether water purifier, filter or softener are working properly.
Quick and easy test: Start the water quality tester, immerse the 2 probes in the water and stir it gently. The test results are displayed in just a few seconds. Then simply press the "mode button" to immediately check the specific values of TDS, EC and temperature.
Immediately readable: The enlarged, backlit LCD display automatically stores the stabilised readings in just a few seconds, making it easier to check the values. The green screen turns red to give a direct warning when the TDS value is equal to or above 40ppm.
High Precision: With 2 high-sensitivity titanium alloy probes and an intelligent chip, the digital drinking water tester always delivers accurate results. Always help keep your household water clean and safe for drinking or using.
3-in-1 water tester: This water test meter provides professional tests for TDS (total salt content), EC (electrical conductivity) and temperature of the water. It has a super wide test range: TDS (0-9999 ppm), EC (0-9999 µS/cm) and temperature (0-60 ℃/32-140 ℉).

9,99 €