10 Best Ph Meter For Lab Use -Reviews & Buying Guide

Measuring pH isn’t just a science job. Everything from growing food to caring for your body requires that you pay attention to the pH balance of your surroundings. But with thousands of different tools at your disposal, it can be hard to choose what is right for you.

In this guide, we’ll break down the subtopics of pH testing and make sure that you know exactly when different kinds of tools are appropriate for your needs. We’ll also take a quick look at some of the more esoteric options available, some that are better left avoided, and why they might be tempting to you.

 

List of 10 Best ph meter for lab use: Tested by Experts

1. Wiztech Digital PH Meter with ATC: 3 in 1 PH TDS Temp – High Accuracy Pocket Size PH Tester 0.00-14.00 PH Measurement Range

 


10 Best Ph Meter For Lab Use -Reviews & Buying Guide

Features :

  • 3-in-1 water tester: Wiztech PH meter has a three-in-one function, which can measure PH, TDS and temperature with high precision at the same time.
  • ±0.1 pH Accuracy and 3-Point Calibration: With high sensitivity glass probe, Wiztech PH meter’s full measurement range of 0-14pH, 0.01 pH resolution. And Wiztech pH meter uses a 3-point calibration method, calibrating the electrode to solutions of pH 4.00, pH 6.86, and pH 9.18 to ensure the accuracy of your measurements.
  • Backlit LCD Design: Don’t worry about seeing the displayed value when there is insufficient light. Wiztech PH meter features a green Backlit LCD to help you see the measurement clearly in any situation.
  • Automatic Temperature Compensation: No longer need to pay attention to the temperature of testing liquid, this meter can accurately determine the pH value of the sample in the temperature range of 0 °C-60 °C (32 °F-140 °F), so it can solve the inaccurate problem caused by changing the liquid temperature.
  • Wide applications: The instrument is ideal for aquarium, daily household, hydroponics, beer brewing, swimming pool, lab or any other liquids.

Additional Info :

Color grey

 

2. 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 (Yellow)

 


10 Best Ph Meter For Lab Use -Reviews & Buying Guide

Features :

  • 【How to use calibration】Press CAL for 5 seconds to enter the calibration mode, press in turn to select the powders corresponding to 6.86, 4, and 9.18 to complete the calibration.
  • 【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.

Additional Info :

Color Yellow

 

3. pH Meter, Dr.meter Upgraded 0.01 Resolution High Accuracy pH Tester with Backlit Two-Color LCD Display and ATC, 0-14pH Measurement Range with Data Hold Function Digital pH Tester Pen-PH838

 


10 Best Ph Meter For Lab Use -Reviews & Buying Guide

Features :

  • ▶ 【Notification】Calibrate once per week if you often test solution of PH <4 or >10, or once per half month for neutral solutions. The 250ml calibration solution for multiple uses (10ml or so each time). Then rinse the electrode with pure water before next test. Rinse and rest 3-5 min before conversing from strong acid to strong alkaline and vice versa.
  • ▶ 【Automatic Calibration】 We make your job faster and easier than ever with this convenient PH tester! With the 3-point calibration procedures, your PH testing devicewill automatically identify the calibration solutions to give you your reading in a snap.
  • ▶ 【Automatic Temperature Compensation】 Temperature can affect reading levels, our PH meter’s automatic temperature compensation can ensure that you’re getting the best possible reading. Unlike other PH metersthat only have a range of 0-50 degree, ours has a even better range of 0-70 degree, so you can test with confidence in any environment.
  • ▶ 【Clear Digital Display with Alerts】 Tired of squinting at a small screen to get your readings? Enjoy this PH meter’s large, backlit LCD screen that displays the information in an intuitive layout so you can still see even in low visibility situations. When the PH value is lower than 3.5 or higher than 12.5, the white digital display will change to red and flash to alert you.
  • ▶ 【User Friendly】 You can easily replace the 2 AAA batteries when it’s time, and you can also activate the 15-minute auto-off functionality to save battery. Plus, it even comes with a storage case to keep it safe and protected when you’re on the go.

Additional Info :

 

4. Digital pH Meter with ATC pH Tester, 3 in 1 pH TDS Temp 0.01 Resolution High Accuracy Pen Type Tester, Water Tester for Water, Wine, Spas and Aquariums

 


10 Best Ph Meter For Lab Use -Reviews & Buying Guide

Features :

  • 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, 0.01 pH resolution. And pH meter uses a 3-point calibration method, calibrating the electrode to solutions of pH 4.00, pH 6.86, and pH 9.18,You can calibrate effortlessly to ensure the accuracy of your measurements.
  • High Accuracy Water Tester – High-accuracy algorithm chip and electrode of our digital water ph tester 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 PH Meter is taken out of the sample!
  • Automatic Temperature Compensation pH Meter Digital – No longer need to pay attention to the temperature of testing liquid, meter can accurately determine the pH value of the sample in the temperature range of 0 °C-60 °C (32 °F-140 °F), so as to solve the inaccurate problem caused by changing the liquid temperature.
  • Pocket Size pH Tester Kit – You can use this Pocket Size small but powerful PH Meter, device to measure your aquarium, pool, pond in a garden, bath tub to test the levels of Ph value, It can also be used to measure drinking water, RO System, spa, soap mixtures, food, wine, beer or any other liquids.

Additional Info :

Color Grey-3 in 1 PH TDS and Temp Tester
Item Dimensions
Height 7.2
Width 1.38
Length 1.38

 

5. 2 in 1 Temperature pH Monitor Meter Tester Sensor test Kit 0~14.0 pH Measure Automatic Calibration BNC electrode Probe for Hydroponics Aquarium Lab Testing Drinking Water Food pH of saltwater/seawater

 


10 Best Ph Meter For Lab Use -Reviews & Buying Guide

Features :

  • [Accurate Test] With a sensitive electrode sensor ph tester with 0-14.0 measuring range could read accurate pH level quickly and easily. This accurate pH tester Kit (0.01 Resolution) is so accurate that it could test accurately within ± 0.01 pH. Enclosed with detailed clear manual will show you how to use it.
  • [Automatic Temperature] This PH meter has built-in automatic temperature compensation system (ATC) which can accurately determine the PH value of the sample at any water temperature.
  • [Simple Calibration] Three kinds of pH buffer powder are included for conditions requiring recalibration, such as long period of inactivity.
  • [Power ] The display is powered by an alkaline 4 x AA battery. After about 5 minutes, it will go into power saving mode. Thus, it can have at least 3 months of battery life.
  • [Wide application] You can use this tool to monitor the pH and Temperature of any type of water may it be in your aquarium, swimming pool, spa, laboratories, hospitals, hydroponics, agricultural, industrial, and also field water analysis procedure.

Additional Info :

Color Ph/Temp Meter w/ BNC electrode (Upgraded)
Item Dimensions
Height 7.086614166
Width 5.905511805
Length 2.362204722

 

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

 


10 Best Ph Meter For Lab Use -Reviews & Buying Guide

Features :

  • 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

Additional Info :

Item Dimensions
Height 1.6
Width 1.6
Length 7
Weight 0.29375

 

7. VIVOSUN Digital PH Meter for Water, 0.05ph High Accuracy Pen Type PH Tester for Hydroponics, Household Drinking, Pool and Aquarium

 


10 Best Ph Meter For Lab Use -Reviews & Buying Guide

Features :

  • 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: VIVOSUN pH meter, user manual, 2 x 1.5V button cells (built in), 3 x pH buffer powders

Additional Info :

Color Yellow
Item Dimensions
Width 1.22
Length 6.5
Weight 0.110231131

 

8. Bluelab PENPH pH Pen, Digital Meter for Water with Easy Two Point Calibration and Double Junction Probe Test Kit for Hydroponic System and Indoor Plant Grow, White

 


10 Best Ph Meter For Lab Use -Reviews & Buying Guide

Features :

  • Measures pH in nutrient solution (acid or alkaline) for precise up and down adjustment with lab quality glass probe; General uses include growing tent, swimming pool, drinking water, aquarium, fish tank, and brewing
  • This hydroponics tester has ATC that provides consistent reading regardless of any fluctuations in temperature; Calibration reminder; Durable design for repeated uses; Fully waterproof and floats in solutions
  • Double junction electrode has a longer lifespan compared to standard probes due to less contamination and is more accurate and reliable than comparable pens, test strips, drops, and more
  • Combine with ppm meters for full indoor garden nutrients monitoring in water and soil; Other features: Auto off function, low battery indicator, units for temperature; KIT INCLUDES: AAA battery, lanyard, and calibration solution
  • IF PROBE IS DRY, SOAK IN KCL SOLUTION FOR 24 HOURS, KCL SOLUTION IS SOLD SEPARATELY; Made in New Zealand, and manufactured by Bluelab, the industry leader in hydroponic testing equipment; 1-Year Limited Warranty with proof of purchase

Additional Info :

Color White
Item Dimensions
Height 0.98
Width 2.16
Length 8
Weight 0.27

 

9. PH Meter, 3-in-1 TDS/PH/Temperature Meter with ATC, 0.01 Resolution High Accuracy, Data Lock Function, LCD Display, Lab Ph Meters

 


10 Best Ph Meter For Lab Use -Reviews & Buying Guide

Features :

  • 【High Accuracy & More Sensitive Bulb Design PH Meter】: The core of the ph tester digital is the electrode, and the core of the ph tester electrode is the bulb. The ppm meter bulb made by blue effect technology is blown at a high temperature of 1000 degrees Celsius. This can fully respond to the H+ ions in the solution.The bulb glass film uses a low-impedance glass sensitive film (≤25MQ), and the reaction speed of the TDS PH meter is also greatly improved, reaching a true level of 0.01 !
  • 【PPM Meter with One Key Lock Value Function 】: When the measured value is stable, just press the HOLD/TEMP key to lock the measured value and take it out for viewing, which is really simple. (Before press “HOLD/TEMP” key, the number of pH is fluctuate slightly which is normal.)
  • 【Easy to Use Lab PH Meters with Backlit LCD Design 】: Just remove the ph pen protective cap and immerse the ph water tester electrode in the solution and press the button to be measured. Don’t worry about seeing the displayed value when there is insufficient light. Water ph tester features a green backlit LCD to help you see the measurement clearly in any situation.
  • 【TDS Meter with Automatic Temperature Compensation】: Temperature can affect reading levels, our water meterr’s automatic temperature compensation can ensure that you’re getting the best possible reading. Unlike other ph meter for water hydroponics that only have a range of 0 °C-50 °C, ours ph meter for water hydroponics has a even better range of 0 °C-60 °C (32 °F-140 °F) , so you can test with confidence in any environment.
  • 【PH Tester with Wide Application】: Ideal for household and laboratory pH testing applications, including drinking water, swimming pool, pond, beer brewing, kombucha, aquariums, hydroponics, laboratory, food processing etc. (Range: 0.01 – 14.00pH; Resolution: 0.01pH; Accuracy:±0.05pH; TDS range: 1-9990ppm; Resolution:1ppm; 0.1ppt; Accuracy: ±2% F.S. ), reliable and quick readings.

Additional Info :

Color Gray

 

10. HM Digital PH-80 pH Meter Waterproof PH80 Tester HydroTester

 


10 Best Ph Meter For Lab Use -Reviews & Buying Guide

Features :

  • Measures pH and Temperature
  • One-touch automatic digital calibration
  • Water resistant
  • Simultaneous temperature display

 

We focused our testing on ph meter for lab use that measures total data because these give the most accurate picture of your output.

 

While single-sided power meters are typically cheaper, they also assume your power balance (the percentage of total power each leg is producing) is perfectly even at all times. Our experience using dual-sided power meters (which measure power output from each leg independently) shows this isn’t the case, though.

The professional team’s testing took into account ease of installation, how each ph meter for lab use performed, and whether it’s likely to stand up to long-term use.

What to Consider Before Choosing the Best ph meter for lab use

Whether you are a pro or a DIYer, it is wise to consider the style, features, accessories, and leads when choosing a ph meter for lab use. There are many options out there. Consider these features before purchasing one of these tools to help speed up the process.

Basic and Advanced Functions

If you want the greatest versatility from your ph meter for lab use , make sure it can test both types of current: alternating current (AC) — electricity flowing through outlets in your home — and direct current (DC), the electricity stored in batteries. Moreover, a ph meter for lab use must perform at least two of the following three electrical tests in order to qualify as a ph meter for lab use:

  • Current: How fast electricity circulates
  • Voltage: The difference between the electric current flowing between two points
  • Resistance: The amount by which the material carrying the energy resists electrical flow, such as wires

In addition to testing voltage, resistance, and current, advanced digital ph meter for lab use can often perform the following tests:

  • Capacitance: Storage of ectricrical charge
  • Temperature: The degree of heat generated within the circuit (frequently in both Fahrenheit and Celsius).
  • Frequency: Electrical occurrence rate (measured in hertz)

Analog Versus Dial Display

ph meter for lab use with analog dials that have needles (like an old-time speedometer on a car). In bright sunlight, it can be challenging to read a digital readout, especially when numbers are hard to read. The number of analog meters has dropped, but they are still inexpensive, ranging from $10 to $70, and they can perform the three basic circuit tests; they cannot perform more advanced tests.

In today’s market, most ph meter for lab use are electronic, and they’re more expensive, ranging from $20 to $500, or even more, depending on quality and precision. In addition, some digital ph meter for lab use feature backlit screens to make them easier to see in bright light; others have auto-shutoff features that turn them off after a few minutes of inactivity.

Auto-Range Function

With a manual range ph meter for lab use, it can be difficult to determine the approximate range of electrical current you’re testing. Having set the mph meter for lab use to a specific ohms range, you need to keep clicking until the ph meter for lab use provides a reading. ph meter for lab use with an auto-range function (available on digital models only) will save you time since you only need to choose the type of test to perform (voltage, resistance, and current). A readout will appear immediately after the meter matches the right range to the circuit by scanning through all the range options.

Choosing a Digital pH Meter


The most common approach for general testing is a digital pH meter. Although test and strip indicators are reliable for testing pools and aquariums, they aren’t appropriate for frequent use due to the high cost of tests. Investing in a pH meter is preferable to inefficient and costly disposable testing. pH meters are ideal for simple base titrations and other pH measurements.

Requires accuracy


Consider how precise your pH meter will need to be. Most federal agencies require pH measurements to be reported to one-tenth of a unit. The 0.1 pH requirement gets more difficult to achieve when the compounds being monitored are near to the permissible pH range. Because most digital pH meters are only accurate to 0.2 pH, this can be troublesome.

For example, beets have a pH close to the 4.6 pH limit for canned foods. If you were measuring beets and got a borderline but safe reading, your equipment could be off by 0.2 pH either way.

Anyone working with chemicals nearing their pH tolerance limits should be aware of these risks. They’ll need a pH meter with +/- 0.01 pH accuracy for reliable results. For most soil testing applications, accuracy of plus or minus 0.2 pH is sufficient.

Calibration is another element to consider. Calibration is required to compare any measuring instrument to a standard. Because even a perfectly calibrated equipment will lose accuracy over time, precision is critical. Digital pH meters must also be calibrated using colored liquids of known pH.

Design

The design of a pH meter determines its usage and portability.


The pH pens are the simplest and cheapest to use. They fit in your pocket. The electrode is in the tip. These may be waterproof and one-handed operable.

Handheld pH meters come with a huge display and an electrode on a cord. Although this design requires two hands, it is still a fairly portable option. Many portable pH meters are waterproof and shockproof. Handheld meters’ computers often outperform pen-style meters’.

The most expensive pH meters are benchtop pH meters. They are often the most exact and use a range of electrodes for specific tasks. Benchtop pH meters are easy to use and adaptable. Some apps can keep track of your work data.

A pH meter designed for solids (like cheese) or soil is necessary. Food business uses surface pH readers, while soil pH readers assess soil pH.

Range, and resolution.


Most pH meters are accurate to +/- 0.01 or 0.02. Precision is preferred, but it comes at a cost. If you’re working with cheese, beer, or wine, you’ll require +/- 0.01 precision. Some benchtop models are 0.001 degrees precise.

pH meters should have enough range to measure the chemical. Most meters can read pH from 0 to 14, with extended range meters reading pH from -2 to +20.

Die Resolution beschreibt die Auflösung eines Meters. A pH meter with 0.1 resolution will show the pH in tenths.

Temperature correction


Temperature affects a substance’s pH. As a result, reliable pH readings often require temperature correction. Many entry-level pH meters do not compensate for temperature, although some do. The best solution is automatic temperature control. The current temperature of the substance being measured must be manually input.

A model without temperature correction requires testing the same substance at the same temperature every time.

Display size


The pH meter’s display should be big enough to read while working. Most screens provide the most recent pH reading, while others show additional data including temperature, salinity, and conductivity.

How to Use a pH Meter Step-by-Step


After selecting a pH meter, it’s time to learn how to use it.

Every pH meter is unique. Using a meter is as simple as reading the directions.

Calibration of your pH meter is the initial step in utilizing a pH meter. Assemble your calibration liquids and pH electrode probe.
Then clean the electrode probe with deionized water. Blot dry with a tissue.
Immerse the electrode probe in pH 7. Set the meter to 7 after it settles. This prepares it for use again.
Then repeat with a pH 2 buffer solution. After stabilizing the electrode in the solution, set it to pH 2. Remove it from the solution, rinse it well, and dry it.
You’re now ready to utilize your pH meter! Read any additional calibration instructions before using your probes.

Start by turning on the meter and letting it adjust for a few minutes. Check to see if it’s in pH mode and has stabilized.
Place the electrode probe into the sample. Let it sit for a few minutes for good reading. Wait a few minutes before taking a reading.
Once it’s stable, take the display reading. Make sure the pH meter is clean before storing it.


Testing Soil pH with a pH Meter


To test your soil’s pH, you’ll need to take a somewhat different path. Before you start, read the pH meter’s directions for soil use.

Begin by choosing a spot in your soil that isn’t overrun by plants or shrubs. Dig a 2- to 4-inch-deep hole here. Check for obstructions, such as twigs, in the hole.
Then add distilled water. You can’t use tap or common water for this stage because it has to be pure. It can’t cut any other water.
Water turns your hole into the muck. Wait a few minutes for it to calibrate. After the timer goes off, make a note of what you’ve read.
You can learn more about your soil’s pH by testing different areas of it. Dig a few holes around your soil to get a more accurate pH reading.

How to calibrate the pH meter without a solution?


If you don’t have any buffering solution, you can still calibrate your meter. Although not exactly the same, it’s close enough.

  • Let’s start with a half-full of tap water Fill it up to 80% with water.
  • Then start adding MKP. Slowly add it up to 10 grams. Stir until the mixture dissolves.
  • Then add potassium hydroxide (KOH) to bring the pH to 7. When adding this, make sure your water is at least a 7. If all goes well, you’ll have a pH 7 buffer solution.
  • Prepare a pH 4 buffer now. Replace MKP with 20 g citric acid. Add KOH until pH 4 is reached.
  • Set aside a few hours to let the buffers settle. After some time, your DIY solutions are ready to use.
  • This solution works just like a store-bought one. It can be used to test the pH of your solutions and to reset pH sensors.

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