Being able to test hydrogen-ion activity in various products which contain water-based solutions requires accuracy, which is why finding the best pH meter is crucial. PH meters have lots of applications from checking quality control to laboratory processes.
Testing the acidity levels of food and water is probably the most vital uses of pH meters. Practically speaking, you can buy a meter for your own personal use at home or for broader uses such as in research facilities or production companies.
Though there are many products out there, they all vary in features and each has their own benefits and disadvantages. To be able to help you out, we have compiled the information you need in selecting your pH Meters as well as a list of the Top 5 Best pH Meters in 2018.
What Are Some Of The Benefits Of Using PH Meters?
No matter where you would need to use a pH meter, whether in an industrial setting or a clinical setting, knowing all the benefits would help you use them better. Who knows, you may find other uses for pH meters aside from what you already know! So read on and find out the benefits:
Rather than using old fashioned test strips or even having to carry out a titration experiment, using a pH meter to measure the acidity of a given solution is much easier. Having to determine the correct color from test strips and titrations is not really accurate since people may have different perceptions of color. With a pH meter, all you have to do is press a few buttons to control the device and it gives immediate, more precise results.
Purse And Pocket Size
The use of pH meters is truly beneficial as they are usually portable and easy to carry. No matter the meter is placed indoors or outdoors. The good thing is that it is highly portable. What better, that you don't even have to plug it into a socket when you're outdoors or in the field. It happens so as some pH meters are actually battery-operated.
Most, if not all, pH meters come with calibration controls, which you will be able to calibrate yourself by following the directions in the manual. Correct calibration is essential in obtaining accurate results, especially if you are doing research or performing an experiment. Regularly calibrated and maintained pH meters will surely last for years to come and save you a lot of money!
Other Benefits also include precision and reliability, objectivity and accessibility of the product.
So What Should You Look For When Finding The Best PH Meter?
Benchtop PH Meters - Standard Vs Extended
Benchtop pH meters are very useful. These versatile versions even have the choice to add on different accessories such as printers and probe arms. The most accurate and multifaceted meters are the benchtop models.
A standard range benchtop meter covers most procedures which involve water-based solutions as it measures the standard pH scale of 0 to 14. An extended range benchtop meter, on the other hand, are used in procedures which need a base acid that falls outside the standard pH scale of 0 to 14.
- A pH resolution of 0.001 is best for exceedingly sensitive lab applications.
- A pH resolution of 0.01 or 0.1 can be used in standard lab applications.
When purchasing a pH meter, you must consider its durability. It should be able to withstand the elements, especially if you are to use it outdoors or in the field. It should be impervious to dirt, water and harsh chemicals, which it may come into contact with. For meters which will be used with high temperatures, check that it won't break even at a temperature of at least 71 degrees Celsius.
Automatic Temperature Compensation
Readings may be influenced by the temperature in which they are used. Consider buying a meter with an automatic temperature compensation as this additional feature is very helpful for samples which have a high temperature and no time to be cooled down before being tested.
Without this feature, you may only test samples at room temperature or make use of a temperature compensation chart in order to get the correct reading.
The Modern Touch
It would be very useful to find a meter that connects to a computer, especially when you frequently check many samples at once. Having it connect to a computer, whether using a cable or via bluetooth, will allow you to record the readings and save the important data you need.
Other Important Things To Consider
Level Of Accuracy And Consistency
Since pH meters have different uses, the levels of accuracy vary as well. For instance, measuring the acidity of different foods makes your choice of meter different as well.
You'll need a meter with an accuracy of 0.01 to 0.02 units, especially when the sugar-to-acid ratio is relevant. Incorrect readings may run the risk of permitting foods with dangerously high pH levels to reach the consumers.
For the use of meters in scientific experimentation and research, meters should be accurate within 0.002 pH units. Your pH meters should also consistently produce the same reading every time it is used. If different readings show up, then that means it is not reliable.
Ease Of Operation
Knowing how to calibrate your meter depending on your needs is essential. Accuracy can only be met when your device is correctly calibrated. Go for meters which have at least a 2-point calibration as there are 3 standard solutions for you to calibrate, pH 4, pH 7 and pH 10.
The appropriate style of electrode is also important for you to consider since it again depends on your testing needs. The ease of using your device is highly dependent on this factor. Some pH meters come with many types of electrodes, while others require you to purchase them separately.
Choose the ones with the appropriate electrodes, for example, if your solution is thick, some electrodes may get clogged, then your electrodes may get damaged and your device will be of no use.
Since there are many options to choose from, you have the choice to find the one that suits your budget best. Additional features may mean additional costs. Simpler meters which may cost less still have good basic features, as long as it serves the purpose you need it for.
The Reviews Of The 5 Best PH Meters
Now that you have brushed up on your guidelines for choosing the best pH meter, you need to see and read about different products that are actually on the market. Always keep in mind the different considerations before making your choice. Take note of the purpose for buying a meter as well as the features you may need.
Conclusion – Finding The Best PH Meter Is Easy With The Right Information!
The best pH meters come in different shapes, sizes and prices. Again, the first thing you should consider is what you will use your meter for as every pH meter is different. Some meters can only be used to obtain specific results from specific substance while other, more versatile ones can be used for a plethora of substances to get varied results.
Using a pH meter does not require much effort as long as it is calibrated correctly so remember to read the manual well and follow the steps in it. Also, remember to take good care of your meter as they don't come cheap!
After reading this article, you must have got a good understanding about pH meters. Now, its all upto you, depending on your priority only you can decide which one is the best for you. If portability is your concern, HM DIGITAL PH Meter PH-80 should be your first choice. It also has other advanced features apart from being an ideal PH Meter PH-80. On the other side, if you are looking for a handheld pH Meter which comes with 2 years warranty, then Apera Instruments AI209 PH20 Value deserves to be number one product in your list.
Whichever direction you choose to go, make sure that you are happy with your choice. Do your research and find the best product which will fit your needs. Good luck and have fun searching!
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