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💧 Master your water quality game with precision and style!
The PmoYoKo 3-in-1 Digital pH Meter combines high-precision 0.01 pH resolution with simultaneous TDS and temperature measurement, all in a compact, pocket-sized device. Featuring an auto-activated backlit display and advanced temperature compensation, it delivers lab-grade accuracy for diverse applications—from aquariums and pools to wine and hydroponics. This all-in-one tester simplifies water quality monitoring, empowering professionals and enthusiasts to maintain optimal conditions effortlessly.











| ASIN | B08RD488NP |
| Battery Description | Alkaline |
| Best Sellers Rank | #21,014 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #28 in Lab pH Meters |
| Brand | PmoYoKo |
| Brand Name | PmoYoKo |
| Color | Grey |
| Customer Reviews | 4.1 out of 5 stars 2,227 Reviews |
| Global Trade Identification Number | 00721678690132 |
| Included Components | 1*pH Meter Digtal, 3 pH buffer powder |
| Item Dimensions W x H | 1.5"W x 7.2"H |
| Item Weight | 0.17 Kilograms |
| Manufacturer | PmoYoKo |
| Model | EZ-9901 |
| Mounting Type | Tabletop |
| Part Number | PH-9901 |
| Product Dimensions | 1.5"W x 7.2"H |
| Smart Home Compatibility | Not Smart Home Compatible |
| Temperature Accuracy | 0.5 |
| Temperature Reading Accuracy | plus_minus_0_point_5_degrees_celsius |
| UPC | 692041265243 692041265113 721678690132 692041265106 |
| Unit Count | 1.0 Count |
| Upper Temperature Range | 140 Degrees Fahrenheit |
| Voltage | 1.5 Volts |
M**G
The Perfect Tool for Monitoring Water Quality in Las Vegas!
I recently decided to take control of the water quality in my Las Vegas home by installing a water softener system. Living in an area where water hardness can be a significant concern, it was crucial for me to find an accurate and reliable way to monitor the pH levels of my water, ensuring it remained within a healthy range for both drinking and household use. After much research, I stumbled upon this water pH tester, and it has been an absolute game-changer for me. The accuracy of this pH tester is impeccable, giving me peace of mind that I’m maintaining the perfect balance in my water. The ease of use is another standout feature; it’s as simple as dipping the tester in the water and reading the result. No complicated procedures or calibration issues that I’ve encountered with other testers in the past. Its durability and build quality are impressive. Living in a desert climate like Las Vegas, where the conditions can be harsh, it’s essential to have a robust tool that can withstand a bit of wear and tear. This tester has lived up to that need splendidly. One of the aspects I appreciate most is the immediate feedback it provides. This allows me to make any necessary adjustments to my water softener system in real time, ensuring that my water quality is always at its best. Whether it’s for the health of my family or the longevity of my household appliances, this pH tester has provided an invaluable service. I highly recommend this water pH tester to anyone looking to take control of their water quality, especially for those living in areas prone to hard water. It’s an essential tool for anyone with a water softener system, or simply for anyone who cares about the quality of the water in their home. Five stars all the way!
M**Y
Great Little pH Meter!
For anyone with hobbies that depend on the pH of something, this little digital pH pen is a fantastic tool to have in your toolbox. It takes all the guesswork out of the process. I use it to keep the water in our fish tank just right, and it’s super easy to use. One thing I really like is that it also measures the temperature at the same time as the pH, ensuring my heater/thermometer is working as expected. It comes with calibration powders so that you know your readings are really accurate. This meter is exactly what I was looking for: simple, effective, and I highly recommend.
M**P
It works great, until it doesn't
This review is going to be a bit daunting. Out the gate when you first receive these meters they tend to get the job done. Reads the pH well, gives accurate PPMs, etc. All is well up until the first battery swap That's when things get bad. You can no longer calibrate the meter with the pH solution provided, which makes the product utterly useless. I bought another one of these and within first use out the box, the diode completely shattered on me when simply trying to clean it off with a wet paper towel I've purchased about 4-5 of these and I'm pretty much convinced at this point that they're not reliable after some wear and tear. I have an older Vivosun meter that's been sitting dormant in its packaging for well up to a year now, and is still more calibrated than this meter is after a week of solid usage. It's time to move on. There are much better, longer lasting options than this meter :-(
R**Z
It seems pretty accurate
Used this to test our new ro system. Numbers seem accurate from test strips and prove the ro does reduce tds as well as reminerilizer adding a bit back in. The odd part is that the ph stayed pretty much the same witha nd without ro filtration. Easy to use, fast reading, and seems to be of decent quality for its price. The display is easy to read and resists water as long as you do not submerse past reading area.
L**A
Accurate and Easy to Use
This digital pH meter is incredibly useful and accurate! I’ve used it for testing water in my aquarium, pool, and even household drinking water, and it delivers fast, consistent readings every time. The 0.01 accuracy really gives peace of mind, and the LCD display is clear and easy to read. It also comes with 3 calibration powders, which makes setup simple even if you’re not super technical. This product contributes to the environment and really good quality. Plus, the compact, pocket-size design is a bonus for easy storage and portability. I definitely recommend this to everyone who needs reliable pH testing at home!
S**N
It comes with ph buffer solutions to calibrate against. Be sure to use these to ensure accuracy.
We bought this pH meter to use on some home agriculture projects. I don't know much about these sorts of instruments, but what I recall from my college chem classes the inclusion of a buffer solution is a good sign that the makers care about accurate quality measurements. You mix these buffers with distilled water according to the included instructions and use the results to calibrate the pH readings. This ensures the instrument is working properly and reading accurately. Other than that, there's not really anything hard about using it. About as easy as using a childs ear thermometer. Batteries are pretty normal watch cells. Shouldn't be hard to find. I like that the temperature and pH reading are easy to make out and that the screen is backlit. The quality is fine. It feels well enough made for the price and what it is and comes with a plastic cap for the probe end to protect it. Overall I am satisfied with my purchase.
A**L
Accurate reading
Takes accurate reading, user friendly
D**D
Durability
It’s good when it works but be careful it is definitely worth its price for the durability. Which isn’t so great unfortunately. I only used it a few times and it was great everytime.
Trustpilot
2 weeks ago
1 month ago