The Best Lab pH Meters

Looking for the best Lab pH Meters?

Discover now our comparison of the best Lab pH Meters. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Lab pH Meters are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Lab pH Meters in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.

SaleNo. 1

APERA INSTRUMENTS AI209 Value Series PH20 Waterproof pH Tester Kit, ±0.1 pH Accuracy

Easy auto. calibration with buffer recognition; auto. temp. compensation (ATC) ensures accuracy in various temperatures (32 to 122F)
Backed by Apera quality pH sensor with low impedance, ensuring high response rate
Comes in a rugged carrying case with pH 4&7 buffers and a lanyard
Auto recognition of stable values improves consistency, so you don't have to guess when to manually hold measurement
Up to 2000 hours' continuous operation, powered by AAA batteries

SaleNo. 2

VIVOSUN Digital pH and TDS Meter Kits, 0.01pH High Accuracy Pen Type pH Meter ± 2% Readout Accuracy 3-in-1 TDS EC Temperature Meter for Hydroponics, Pool and Aquarium, Yellow Blue, UL Certified

Application: Great for all home and laboratory TDS & pH testing applications including aquariums, swimming pools
PH Meter: Full measurement range of pH 0 - 14, reliable and quick readings
3-in-1 TDS Meter: Measurement Range 0-9990ppm, 0-9990µs/cm; Accuracy ± 2%, 0.1- 80.0°C, 32.0-176.0°F; Note: This meter can't test sea water
Features: Comes with protective case; Lightweight, handheld design for portability and convenience
Included: PH meter, 3-in-1 TDS meter, 3 calibration buffers

SaleNo. 3

2024 All-New pH Meter for Water - High Accuracy Digital pH Tester (0.01 Precision) with UL Certification and 3 pH Calibration Powders - Ideal for Home Water, Hydroponics, Aquariums, Pools, and More

Reliable Brand: At MEXYBE, we believe that knowledge is power, especially the water we consume. We are dedicated to empowering individuals with precise water testing tools because clean, balanced water is a fundamental right. Our pH meter represents our commitment to health, safety, and peace of mind. Whether you're ensuring drinking water purity or maintaining your garden, MEXYBE delivers trusted accuracy. Join us in protecting what matters most—your health, home, and our planet
Friendly Reminder: Regularly cleaning the pH meter electrode is crucial for ensuring accurate readings. Contamination of the electrode can lead to unstable measurements. Please use an appropriate cleaning solution, such as distilled or purified water. If you have any questions, feel free to contact our customer service team at any time
Easy to Use: Turn on the pH meter and immerse it in water between the upper and lower immersion lines (ensuring the small glass ball is in full contact with the liquid). Gently stir to eliminate any bubbles, and take the reading once it stabilizes. (Important Notice: The product is pre-calibrated before shipping and ready to use straight out of the box. If the product has not been used for more than one day, please soak the electrode in the test solution for 5 minutes before conducting any tests. Failing to do so may result in longer stabilization times for pH readings)
Essential for Every Home: Elevate your quality of life with this versatile tool. Perfect for testing pH balance in various environments such as household water, drinking water, reverse osmosis systems, hydroponics, aquariums, swimming pools, hot tubs, and spas. Essentially, any situation where accurate pH testing is needed can benefit from this meter. Enhance your daily living with the confidence that comes from knowing your water is always just right
What’s in the Box & Support You Can Count On: Along with your pH meter, you'll receive a detailed user manual, 2 x 1.5V button cells (pre-installed), and 3 x pH buffer powders. Plus, a dedicated team of water quality experts ready to offer rapid and efficient responses round the clock through live chat and email. We are committed to taking our customers' feedback seriously, as our sole aim is to deliver products and services that hold genuine value for you
Important Notice: The product is pre-calibrated before shipping and ready to use straight out of the box. If the product has not been used for more than one day, please soak the electrode in the test solution for 5 minutes before conducting any tests. Failing to do so may result in longer stabilization times for pH readings

SaleNo. 4

pH Meter for Hydroponics PPM EC Meter for Plant Nutrients Simultaneous Measurement of pH Conductivity TDS Temperature for Reservoir Tank Water DWC Aeroponic Garden Indoor Outdoor Growing

{One-click access to the temperature pH EC value of hydroponic nutrients solution} YINMIK 4-in-1 pH EC tester is a professional tester for hydroponic growers. The pH ppm mode is designed for hydroponic basic reservoirs, and the pH EC mode is designed for hydroponic nutrient solutions.The pH and temperature of this product are always displayed on the screen.
{Latest upgraded version of Hydroponic Tester} This pH tester can be immersed for a long time. You can directly insert it into your hydroponic equipment or hydroponic tube without taking it out to continuously monitor the nutrients. Just turn it on every time to get the real-time value. The extended temperature stainless steel electrode responds quickly. Accurate ATC ensure the accuracy of the EC value of the nutrient solution at different temperatures.
{With calibration solution, ready to use out of the box, convenient and time-saving} The water quality tester comes with 4.00-7.00 pH calibration solution and 1413μS/cm EC buffer solution. You don't need to spend time and effort to prepare the solution, you can use it after opening it. TDS EC is calibrated before leaving the factory and can be used out of the box.
{Multi-function tester suitable for home use} This pH test pen can measure planting water, swimming pool water, drinking water, tap water, well water, etc. It can also measure your fermented beer wort and your fish tank water. Any liquid that needs to measure pH EC TDS can be used.
{Worry-free after-sales service} YINMIK brand purpose is customer first. YINMIK team is online 24 hours , your questions will be answered within 12 hours. In addition, All accessories matching this pH ppm meter can be found in YINMIK Store: pH Calibration powder, pH Calibration Solution, EC Calibration solution, New Replacement probe.

SaleNo. 5

Apera Instruments AI311 Premium Series PH60 Waterproof pH Pocket Tester Kit, Replaceable Probe, ±0.01 pH Accuracy, Lcd display

NOTE: A few drops of water are added to the electrode cap before the product leaves the factory. This is to maintain the sensitivity of the electrode. Therefore, when you use it for the first time, it is normal to find water droplets in the electrode cap
Accuracy: 0.01 pH; range: -2.00 to 16.00 pH, 32 to 122˚F (0 to 50˚C); Auto. Power-Off: 8 minutes without operation
Easy 1-3 points auto. calibration, recognizes 5 types of solutions (1.68, 4.00, 7.00, 10.01, 12.46); Auto Temp. Compensation (ATC) ensures accuracy in various temperatures (32-122˚F)
High quality replaceable glass pH probe, suitable for regular water solutions e.g. pools&spas, hydroponics, environmental monitoring, cooling towers, beverage, etc.
Large LCD with 3 backlit colors (indicating different modes), dual display of temp./pH, and reminders of completed calibrations and stable readings
The smiley icon indicates stable readings so you won't have to guess when is the right time to record the measurements
COMPLETE KIT with READY-TO-USE calibration solutions, calibration bottles, storage solutions, AAA batteries, and a lanyard all in a rugged portable case

SaleNo. 6

Apera Instruments, LLC-AI501 PH700 Benchtop Lab pH Meter, 0.01 pH Accuracy, 1-3 Points Auto Calibration, 3-in-1 pH/Temp. Electrode

Equipped with 201T-F 3-in-1 combination pH electrode, Auto temp. Compensation, measuring pH and temperature simultaneously
Advanced Auto. calibration mode with calibration guide and self-diagnosis
Advanced digital processing technology helps generate quick and Stable readings
Comes with an easy-to-install electrode holder and pre-mixed calibration solutions
IP54 spill-proof and dust-proof, durable and reliable; 50 Groups of data storage

No. 7

PH Meter for Water Hydroponics Digital PH Tester Pen 0.01 High Accuracy Pocket Size with 0-14 PH Measurement Range for Household Drinking, Pool and Aquarium

A friendly reminder: Regularly cleaning your Ph meter electrode is crucial for ensuring accurate data. Contamination of the electrode can lead to unstable measurements. Please use the appropriate cleaning solution. If you have any questions, feel free to reach out to our customer service.
【Mini Size】The mini size ph meter we designed allows you to easily put it in your pocket, so you can take measurements anytime, anywhere. It can help you test it whether you take it to the pool, on a trip, to the beach or camping.
【Family Essentials】As a tool to improve the quality of life. Can be used to test drinking water, swimming pools, PH balance in aquarium, RO system, spa or hydroponics. Basically all the environments that need to test PH value can use this tester to get accurate data.
【Easy to use】turn on the switch,put the probe into the water and stir (make the small glass ball fully contact the liquid) and the value can be read when the value is stable.
【Automatic temperature compensation】There is no need to care about the temperature of the liquid being measured. The PH meter has an automatic temperature compensation function, which can be adjusted according to the water temperature and water quality.

No. 8

YINMIK Food pH Meter with Extra pH Replaceable Probe,Digital pH Tester for Sourdough and Bread,Food pH Tester for Meat,Canning,Cheese,Solid Samples, Soft Soil and Water…

Buy 1 pH Meter Get 1 More New pH Probe: YINMIK Digital pH Tester come with an extra new pH calibrate probe, which not only save money ,but also save time. in case the original probe is accidentally damaged. With calibration for the replacement, you can have a brand-new pH tester again. Greatly extend the life of the meter.
Digital pH Tester with Stable Reading: More chips for more stable reading, with two times quantity than other products, there is no need to worry about the reading all over the place. Built with ATC system, whether it's a hot summer day or a cold winter day, you'll always get accurate measurements. What's more exciting is that the protective cap of the tester contains a wet sponge soaked in KCL solution, making the spear probe always moist, and that gives the tester more durable life.
pH Meter for Sourdough Breadmaking: With proprietary spear pH probe, YINMIK food pH meter is great for managing sourdough fermentation. You can use it to check the pH of your sourdough bread dough during the bulk fermentation step.
pH Meter for Fermenting Sauce: If you are committed to making delicious sausages, salami, cheese, sushi rice, canned jam, fermented sauces, pepper sauce or salsa, you need to do the pH testing job carefully. YINMIK pH tester is essential tool with 0-14 pH range , which meet all your requirement perfectly.
Digital pH Meter for Meat: With the unique Spear Probe the pH meter can easily test the pH of the meat. YINMIK digital pH Tester is small and compact;convenient for easy on-site testing.Just cut a piece of meat and stick the spear tip into the sample, waiting for the reading to be stable, then you can get the accurate measurement.

No. 9

VIVOSUN Digital pH Meter, 0.01pH High Accuracy Pen Type pH Tester for Hydroponics, Household Drinking, Pool and Aquarium, UL Certified

Application: Ideal for residential or commercial use, water, pool, spas, liquid food, laboratory, aquaculture and hydroponics
Easy Calibration: Advanced technology makes the test result fast and accurate; LCD screen makes reading clearly
Features: Pocket size, lightweight, backlit function, high quality
ATC Function: With Automatic Temperature Compensation (ATC), adjust to water temperature and give pH reading almost instantly
What You Get: pH meter, user manual, 2 x 1.5V button cells (built in), 3 x pH buffer powders

SaleNo. 10

Digital pH Meter Tester Pen With 3 Calibration Powders, 0.01 Accuracy, Pocket Size, LCD Display for Household Drinking, Pool and Aquarium

【3-in-1 pH Meter】pH meter has a three-in-one function, which can measure PH, TDS and temperature with high precision at the same time. All-round measurement of water quality to ensure healthy water quality.
【Automatic Calibration pH Tester】With high sensitive glass probe, you can get a full measurement range of 0-14pH. This pH meter uses a 3-point calibration method to calibrate the electrode to solutions with pH 4.00, pH 6.86, and pH 9.18 pH powder. You can calibrate effortlessly to ensure the accuracy of your measurements.
【High Accuracy pH Meter for Water】0.01 Resolution High-accuracy algorithm chip and electrode of our TDS meter digital pH meter ensure accurate and fast response. Green Backlit LCD Design guarantees that you can read the measuring results in any condition. One-button lock reading function helps lock reading even if the tds Meter is taken out of the sample!
【Automatic Temperature Compensation Digital pH Meter】No longer need to pay attention to the temperature of testing liquid, pH meter can accurately determine the pH value of the sample in the temperature range of 32°F-140°F(0°C-60°C), so as to solve the inaccurate problem caused by changing the liquid temperature.
【Pocket Size pH Meter for Water】 You can use this small pocket size but powerful pH meter device to measure your aquarium, pool, pond in a garden, bath tub to test the levels of pH value. The digital ph meter can also be used to measure drinking water, RO System, spa, soap mixtures, wine, beer or any other liquids.
【pH Meter to Improve Water Quality】This pH/TDS meter can help you find out quality water value. Water with equal pH, TDS levels are perfect for people's daily needs for drinking water. For plants and aquaculture animals, they can grow more fast and health if they drink good quality pH, TDS value of the water test by this pH meter.
【How to calibrate the pH Meter/TDS Meter?】 1. Add pH4.00/pH6.86/pH9.18 buffer powder into water and stir it. 2. Press the ON/OFF button and adjust to pH mode. Put the electrode into pH4.00/pH6.86/pH9.18 standard solution and wait 5~10 seconds. 3. Press and hold the MODE/CAL button and release after 6 seconds; wait pH4.00/pH6.86/pH9.18 flash 3 times till readings are no longer flashing, finish the pH calibration.
【Tips】 For better using experience, we recommend to soak the tds meter digital water tester in clear water for 5 minutes before starting calibration after receive the product. Because it may cause inaccurate readings if customer immediate use for the first time.

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Last update on 2025-06-08 / Affiliate links / Images from Amazon Product Advertising API

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