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VIVOSUN

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

    • Based on 22,902 reviews
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Availability: In Stock.
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Arrives Sunday, Mar 30
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Color: Yellow+Blue


Features

  • 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, 0-9990s/cm; Accuracy 2%, 0.1- 80.0C, 32.0-176.0F; 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

Is Discontinued By Manufacturer ‏ : ‎ No


Package Dimensions ‏ : ‎ 6.89 x 3.94 x 1.26 inches; 3.53 ounces


Item model number ‏ : ‎ 4336465266


Date First Available ‏ : ‎ March 14, 2017


Manufacturer ‏ : ‎ VIVOSUN


Country of Origin ‏ : ‎ China


Best Sellers Rank: #566 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #2 in Lab pH Meters


#2 in Lab pH Meters:


Customer Reviews: 4.1 4.1 out of 5 stars 22,902 ratings


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, Mar 30

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Top Amazon Reviews

    • On point so far
Color: Yellow+Blue
Currently a few weeks after calibration, unit still measures ph and ec beautifuly
Reviewed in the United States on January 4, 2025 by Drew
    • Easy to use
Color: Yellow+Blue
The VIVOSUN Digital pH and TDS Meter Kit is a must-have for anyone managing hydroponics, aquariums, or pools. Both meters are lightweight, easy to use, and provide accurate readings for pH, TDS, EC, and temperature. The 0.01 pH accuracy ensures precise water quality measurements, and calibration is straightforward. I found them fast and reliable, making water testing effortless. A great value for maintaining optimal water conditions with confidence! ... show more
Reviewed in the United States on January 10, 2025 by A Aycock
    • Serviceable and cheap
Color: Yellow+Blue
Seems decent and works so far.
Reviewed in the United States on February 1, 2025 by Swordwright the majic user
    • Accurate
Color: Black+White
Great value for the money, I have owned a few of these and this one is definitely accurate and built well. It comes with a TDS meter as well, this is less important for me but it is nice to have. I like the size and the fact that it adjusts for the water temperature. It has a nice backlight that works great, just don't dip this thing too far into the water. Super easy to use though. The calibration at first takes a little bit of time but once you get through that, using it as a breeze. Setup should only take about 5 minutes, make sure you have distilled water when you start though. ... show more
Reviewed in the United States on November 17, 2024 by Aaron
    • Horrific accuracy
Color: Yellow+Blue
So I bought this set wanting to try out actually tracking and adjusting my pH and EC of my nutrients for my little indoor hydro-farm. Like most people, I didn't want to spend a lot on my little hobby so I figured I would give this product a try as I actually enjoyed some other Vivosun products. I'll start with the TDS/EC Meter. It is actually decent and appears to be pretty accurate right out of the box. I've used it for a little while and it remains to be acceptably accurate so far without any issues. Good to go, this one I'm pretty happy with and will continue to use at least for now. Next I'm moving on to the problem child, the pH Meter. Wow. Where do I begin. I started off trying to figure out how to calibrate this little thing as the instructions drastically varied from all the calibration videos available online for it. Maybe they changed the method but once I figured out how it wanted to be calibrated I went through the steps and all was good. I tested it a number of times using various testing liquids and it was pretty spot on (at least within acceptable limits for my hobby, not anything that needs to be precise though). So I mixed up some of my nutrient solution, cleaned the pH and TDS meters as advised to in the manual and put them away safely. Fast forward 1 week, I pull out the pH meter and dip it into a cup of distilled water and it tells me that it has a pH of 10.3! Far from the value of 7 I was expecting to see. So I pulled out my other pH balanced liquids to test and every one of them was extremely off from what it should be. It completely lost ALL calibration after one use, and one week of storage. I'm sorry but that means I need to calibrate this thing every time I turn it on? And they only supply you with one set of calibration powder that isn't to be re-used? Absolute and complete garbage. The calibration costs for a year would be well into the hundreds a year for a $10 meter! Absurd. This is a product you should definitely skip buying. Buy yourself a 14-sided dice and give it a roll, it will give you a more accurate guess on your pH level than this thing every will. I would return it, but I was not thinking and threw away the packaging already. ... show more
Reviewed in the United States on January 8, 2024 by ndcisiv
    • They work for what I use them for. Not too sure of accuracy
Color: Yellow+Blue
Review Image by MrDiY614 MrDiY614
The media could not be loaded. I use these for checking the ph and ec of my plant nutrients. They seem to work ok but it's definitely not a high quality meter. They are a cost friendly meter that does work but does not compare to say like a bluelab meter or a thermopro meter but it does work. Does just like it is supposed to but very basic and seems cheaply made but if your careful with it I would say it would last awhile. I always check 2 or 3 times and give it plenty of time to actually pick up the most accurate reading I can get from it. Easy to use and easy to read but a little slow at leveling out and giving you the end results. I would buy again if I needed it and couldn't afford 100 bucks for a bluelab meter. Better then not checking at all so even if it's not 100 percent accurate it's got to be closer then not checking at all. ... show more
Reviewed in the United States on August 23, 2024 by MrDiY614 MrDiY614
    • Am I lucky or is VivoSun just that good?
Color: Yellow+Blue
Ive bought the expensive PH meters in the past and have never found one that was calibrated straight out of the box. Good job, Great Job Vivosun, This came in and i did the calibration, I didnt even have to do anything, straight out the box the 6.86 read exactly that after the calibration. Im impressed, Thank you! ... show more
Reviewed in the United States on February 19, 2025 by Chuck B
    • Testing the Waters (Literally)
Color: Yellow+Blue
The VIVOSUN Digital pH and TDS Meter Kit is like the eager scout team for my yet-to-be-built hydroponics empire. I’ve only tested it on plain old water so far, but it works perfectly—quick, accurate readings without any fuss.
Reviewed in the United States on January 24, 2025 by Kristoffer Zimmerman

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