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Litmus-Paper.com's
Best pH Meters of 2018
Complete Buyers Guide
One of the easiest and most accurate ways to measure pH is by using a digital pH meter.
Wether you’re a consumer looking to test your body pH level, a gardener looking to test soil ph or a scientist working in a laboratory, you can be sure that these are the best pH meters on the market. We’ve taken a look at some of the best pH meters of 2018 and featured the top selling here. These pH testers, or pH probes if you will, all have different parameters but common for all of them is that the instrumentation is made for measuring pH in soil testing or water testing.
Jellas Pocket Size pH Meter Digital Water Quality Tester for Household Drinking...
- WIDE USE, it's great for home and laboratory uses; water, pools, aquariums, spas, hydroponics, food, wine and beer making and more.
- FAST AND RELIABLE READING, Highly accurate for measuring range of 0-14 PH, 0.1 PH resolution, measure & display pH result simultaneously with LCD display, reliable and quick reading.
$13.99 $35.99
amazon.com- WIDE USE, it's great for home and laboratory uses; water, pools, aquariums, spas, hydroponics, food, wine and beer making and more.
- FAST AND RELIABLE READING, Highly accurate for measuring range of 0-14 PH, 0.1 PH resolution, measure & display pH result simultaneously with LCD display, reliable and quick reading.
- EASE OF USE, you just remove the protective cap and immerse the PH meter electrode in the solution and turn on the PH by "ON / OFF" switch to be measured. Beats the heck out of trying to see the colors of a litmus strip.
- POCKET SIZE: it's only 1.76 oz with size of 5.94*1.22*0.79 inches, it also comes with a carry case for you easily to carry or store.
- PACKAGE CONTENTS: 1 × pH Meter , 1 × Carrying case, 1 × Calibration screwdriver, 2 × pH buffer powder (for calibration) ,1 × User manual.
Dr.meter 0.01 Resolution High Accuracy Pocket Size pH Meter with ATC, 0-14pH...
- Great for laboratory pH testing applications including aquariums, swimming pools
- Measurement range of 0-14 pH - highly accurate, reliable and quick readings
- Comes with carrying case; Lightweight, handheld design for portability and convenience
$39.99
amazon.com- Great for laboratory pH testing applications including aquariums, swimming pools
- Measurement range of 0-14 pH - highly accurate, reliable and quick readings
- Comes with carrying case; Lightweight, handheld design for portability and convenience
- Display pH value and temperature simultaneously
- Reliable and Friendly Customer Service: Ready to respond within a 24 hour time Lifetime Support
HMD PH-200 Digital Professional Waterproof 0-14 PH & Temperature Meter
- Measures pH and Temperature, Range: 0-14 pH, 0-80 °C, 32-176 °F
- Autoranging three point calibration with digital fine tuning
- Waterproof housing (IP-67 rating)
- Includes storage solution in a sponge embedded in a clear cap
$67.59
amazon.com- Measures pH and Temperature, Range: 0-14 pH, 0-80 °C, 32-176 °F
- Autoranging three point calibration with digital fine tuning
- Waterproof housing (IP-67 rating)
- Includes storage solution in a sponge embedded in a clear cap
- Auto-off function, data-hold function and low-battery indicator
Horiba LAQUAtwin pH-33 Compact Meter Potable pH Meter
- Portable ph Meter
- Calibration Five-point
- Measurement range 0 to 14 pH
- Minimum sample volume 0.1mL or more *1
- Range and Resolution 0.01 pH
$245.90
amazon.com- Portable ph Meter
- Calibration Five-point
- Measurement range 0 to 14 pH
- Minimum sample volume 0.1mL or more *1
- Range and Resolution 0.01 pH
WTW - 2AA312 - WTW pH 3310 ProfiLine meter kit with SenTix...
- Durable meters feature a 100% waterproof and easy-to-clean keypad
$1,119.31
amazon.com- Durable meters feature a 100% waterproof and easy-to-clean keypad
Apera Instruments AI209 PH20 Value Waterproof pH Pocket Tester, ±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
$46.00 $56.00
amazon.com- 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
DILISS Digital PH Meter / PH Tester / Mini Water Quality Tester...
- Great for all home and laboratory pH testing applications including aquariums, swimming pools aquariums, spas, hydroponics, food, wine and beer making and more
- Fast and Accurate: Ensure Your Pool, General Hydroponics Ph or Even Drinking Water Has a Perfect Ph Balance and Safe for Use with DILISS Tester Precision Ph Accuracy. DILISS Tester Has a Sensitive Electrode Sensor to Read Accurate Ph Levels. The Included Detailed Manual Will Show You How to Get the Best Accurate and Stable Reading
$14.87
amazon.com- Great for all home and laboratory pH testing applications including aquariums, swimming pools aquariums, spas, hydroponics, food, wine and beer making and more
- Fast and Accurate: Ensure Your Pool, General Hydroponics Ph or Even Drinking Water Has a Perfect Ph Balance and Safe for Use with DILISS Tester Precision Ph Accuracy. DILISS Tester Has a Sensitive Electrode Sensor to Read Accurate Ph Levels. The Included Detailed Manual Will Show You How to Get the Best Accurate and Stable Reading
- Very accurate and durable. Measuring pH Range: 0.0 - 14.0 pH. Resolution: 0.1 pH. Accuracy: 0.1 pH (20C), 0.2 pH. Operating Temperature: 0 - 50C (32 - 122F).
- PACKAGE CONTENTS: 1 × pH Meter , 1 × Carrying case, 1 × Calibration screwdriver, 3 × pH buffer powder (for calibration) ,1 × User manual.
- POCKET SIZE: it's only 1.76 oz with size of 5.94*1.22*0.79 inches, it also comes with a carry case for you easily to carry or store.
Digital PH Meter, 0.01 Resolution Pocket Size Water Quality Tester with ATC...
- ➤•HIGH ACCURACY: the pH meter with auto calibration button can automatically identify standard buffer solution of pH4.00, pH9.18, and pH6.86; its high accuracy 0.03pH range of error ensures more reliable results; automatically temperature compensation(ATC) ranges from 0℃〜50℃(32°F~122°F) automatically to ensure accurate readings.
amazon.com- ➤•HIGH ACCURACY: the pH meter with auto calibration button can automatically identify standard buffer solution of pH4.00, pH9.18, and pH6.86; its high accuracy 0.03pH range of error ensures more reliable results; automatically temperature compensation(ATC) ranges from 0℃〜50℃(32°F~122°F) automatically to ensure accurate readings.
- ➤•EASY TO OPERATE: just press the button to switch power, insert and stir gently in the test solution, then the LCD display with back light get stable pH value and temperature 0℃〜50℃(32°F~122°F) within seconds, no more color charts or messy test strips.
- ➤•PORTABLE FOR WIDE USE: this pen-type instrument has a compact size, weighs only 1.76 oz (50g) that is perfect for outdoor or household use, ideal for testing drinking water, pool, aquarium, spa, or hydroponics.
- ➤•USER'S MANUAL: this product comes along with a detailed instruction about operation and pH calibration correction for your reference.
Best pH Meters of 2018
Buying Guide and Advice
Detailed reviews of the best pH meters
When reading the reviews remember that distilled water has a pH of 7, and that the pH scale goes from 0 to 14. In addition take note that pH meters are different from ORP meters, TDS meters and dissolved oxygen sensors, although they are often used in combination to rate the quality of different type of liquids.
1The Beginners Choice
The Beginners Choice
$13.99 $35.99
Amazon.comThe Jellas High Accuracy Pocket Size Handheld pH Meter is an easy and affordable way to accurately test the acidity or alkalinity of solutions. Simply immerse the electrode in a solution thats either alkaline or acidic and read the pH value right of the device. This product is ideal for everyday testing and hobby use, but even though the accuracy is said to be between 0.01 and 0.05 pH, don’t expect extreme ph scale accuracy without at least calibrating the device with a buffer solution.
Jellas High Accuracy Pocket Size Handheld pH Meter is perfect for simply testing the pH of the water in swimming pools, aquariums or in the tap. It can also be used in a basic laboratory setting, but since it is not very durable and the accuracy can be questioned, we recommend one of the other more professional pH meters featured in this article for laboratory use.
- Measuring Range: 0-14 pH
- Advertised Accuracy: 0.05 pH
- Automatic Temperature Compensation
This pH meter by Etekcity is the best selling product in the Lab pH Meters category on Amazon.com, and with an average user rating of 3.9 from over 560 reviewers, you can be certain that this is an excellent choice if you are looking for a low end, affordable and all around pH meter as an acid/alkalinity indicator.
2The Hobbyist’s Favorite
The Hobbyist’s Favorite
If you think of yourself as more than a beginner, but still not ready to get full on professional gear, the Dr. Meter PH100 0.01 Resolution High Accuracy Pocket Size pH Meter with ATC is just for you. This pH meter is highly reliable and has an extreme accuracy of 0.01. The pH meter is handheld and very light with a weight of only 88g. It also comes with a carrying case for ultimate portability and convenience.
This pH meter is widely used, and is very popular in education and for water treatment, because of the highly accurate, reliable and quick readings. It is a better alternative to ph test strips og litmus paper.
Dr. Meter PH100 0.01 Resolution High Accuracy Pocket Size pH Meter with ATC has been received by customers with massive approval which can be seen on Amazon.com. Here the product is ranked #5 in the pH meters category, and if you read the customer reviews and view the amazing average user rating of 4.3, you will see that customers love this product.
- Measuring Range: 0-14 pH
- Advertised Accuracy: 0.01 pH
- Automatic Temperature Compensation (32-122°F)
3The Choice for the Small Laboratory
The Choice for the Small Laboratory
Our third featured product is the HMD PH-200 Digital Professional Waterproof 0-14 PH & Temperature Meter which is the perfect choice for the hobbyist who wants a more professional pH meter, as well as the small laboratory who want’s a semi-professional device with high accuracy, extreme durability and auto ranging three point calibration with digital fine tuning.
One of the extra features that this pH meter has over the other featured products is that it is waterproof, and includes a storage solution that makes sure that the pH meter is always calibrated and measures accurately.
- Measuring Range: 0-14 pH
- Advertised Accuracy: 0.01 pH
- Automatic Temperature Compensation (32-176°F)
Although the HMD PH-200 Digital Professional Waterproof 0-14 PH & Temperature Meter is perfect for small laboratories it can of course also measure the pH value of swimming pools, tap water, coffee etc. just as well (or better) as the other best pH meters. The user rating on Amazon.com averages at 3.8, which shows us that customers approve of the product and that they are happy with their purchase.
4The Professional pH Meter
The Professional pH Meter
This pH meter by Horiba is meant for a professional environment where durability, accuracy and ease of use is crucial. The Horiba LAQUATwin pH33 pH Meter has an accuracy of 0.01 pH and features flat sensor technology which allows for a convenient, extremely easy testing process. This product requires only a few drops of the solution put onto the ph electrode to be able to accurately read the pH value. Instead of immersing the pH meter in the solution, users can also place a small sample directly onto the ion selective membrane and get the results instantly displayed on the LCD screen.
Horiba LAQUATwin pH33 pH Meter also features an easy calibrating process. With the touch of a single ‘cal’ button the user can easily calibrate the device with the help of the calibrating solutions that accommodate the product.
- Measuring Range: 0-14 pH
- Advertised Accuracy: 0.01 pH
- Automatic Temperature Compensation
As a bonus, Horiba is offering a 1 year warranty on the pH Meter (B-213). All these extra features, combined with the high accuracy as well as the ease of use is also reflected by the price tag which is relatively high – doesn’t change the fact that this is definitely close to the best pH meter available.
Best pH Meter for Water
When it comes to the best pH meters specifically for water testing, theres one meter that simply blows all other ph meters out of the water (no pun intended). I’m of course talking about the WTW ProfiLine pH 3310 pH meter. It’s one of the most durable and rugged pH meters in the industry and it’s specifically made for testing the pH of water.
It’s waterproof all the way down to about 300 ft. and it’s auto-calibration feature makes sure that your readings always are accurate. On top of that this meter has a range of -2 to 20, which means that no matter the solution your testing you’ll be able to record the pH onto the 200 step datalogger.
This product is truly one of the very best pH meters on the market, especially for testing the pH of water. Get one of these and your set on that front for life.
$1,119.31
Amazon.comIf you’re ready to get going with your newly acquired pH meter but have no idea how to actually use it, here’s a handy YouTube video explaining the basics:
All credits go to Bio-Rad Laboratories for the creation of this video.
We hope that you have enjoyed our listing of the best pH meters/pH probes of 2018, and are one step closer to deciding which pH meter is the right one for you. Remember that for water quality testing, pH is not the only factor and you should look into TDS meters as well.
