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pH METER
Specifications:
- Measure range: 0.00- 16.00PH
- Resolution: 0.01PH
- Accuracy: ±0.01 PH
- Power Supply: 2*1.5V (LR44 Button cell) (Included)
- Operating Temperature: 0°F - 140°F
Features:
- Automatic Temperature Compensation (ATC)
- One button (CAL) calibrate the PH meter
- Automatic shut-off after 5minutes with inactive
Calibration:
- a. Dissolve PH buffer powder in 250ml of distilled water.
- b. Turn on PH meter and clean the electrode in distilled water, then immerse the electrode in the PH standard solution.
- c. Press ”CAL” button, make the reading equal to standard buffer solution PH 6.86, 4.01 or 9.18.
cory chandler
Reviewed in Canada on May 20, 2024
Does not accurately measure PH
Paul A Mollins
Reviewed in Canada on July 7, 2022
nope
Ann S
Reviewed in the United States on May 9, 2022
Received these testers in good condition and they work well; very accurate. So glad that I can now check the quality of water.
jocelyn landry
Reviewed in Canada on June 2, 2021
Ne fonctionne pas mais délais expier pour retourner!
chris
Reviewed in Canada on December 8, 2021
PH pen works as it should, TDS doesn't work, won't show the x10 when testing, you think its500ppm and it's really 1500ppm, brought in a working pen to test, just to make sure , I'm glad I did. You get what you pay for I guess. The only reason I gave it 2 stars was because the PH pen works, so far.
Customer
Reviewed in Canada on November 23, 2021
Ph meter worked great and is easy to use the tds wouldn’t even turn on, possibly broke during shipping however it looks fine, guess I’ll just use the ph
Mayra
Reviewed in the United States on April 9, 2021
2 1/2.. That's the rating. TDS meter works fine for the most part, from what I can tell it's pretty accurate, the pH meter is garbage, never fully settled down, at best was within .8 of actual pH.. After a week it stopped reading anywhere near correct, a 4.1 was reading at 10.2 and such.. Then it just stopped turning on.. So yeah.. Garbage. But they are easy to use and the TDS meter has a hold button so you don't have to leave it in the bucket or cup to read the results.
Scott D
Reviewed in the United States on July 25, 2020
I didn't have to calibrate as mine came just perfect it seems out of box. Tested using known water amounts for both PH and TDS. I have been using it for about a month now on aquarium water and so far both have been working with no issues. PH is always around 7.1 to 7.25 which is where it was using API test kit or test strips. TDS slowly goes up over the course of a week until water change, then back down slightly and repeat.If yours comes calibrated or you can get it calibrated using the power (if it comes with meters, read sometimes it is missing) then these are definitely worth the money.
Kreska
Reviewed in the United States on March 4, 2020
Accuracy seems to be good but had to buy separate PH test solutions. The PH tester was missing one of the solution packets and was OBVIOUSLY a return from some other buyer. There was water in the PH test unit on arrival. The TDS meter had no calibration or test solutions.This is the problem with Amazon products these days. If a customer returns an item, Amazon just puts it back on the shelf and sends the same DEFECTIVE item out to the next person that orders that item. Come on Amazon...how many times does an item need to be returned before you take it off the shelf? This crappy cycle of having to return something to Amazon has led me to believe that if I want a complete and functional product the first time I order, I need to order it from a reliable source (like directly from the manufacturer.) I don’t buy as much stuff from Amazon anymore because 70% of the time products are broken, missing parts or not fully functional. You are losing my confidence and purchasing dollars, Amazon, and I’ll be looking elsewhere for items I need to work the 1st time I use it. Dang Amazon. Get your crap together. It’s really about customer service from FRONT TO BACK! When I order something, I want it functional and complete when I receive it. NOT AFTER MULTIPLE RETURNS.ARE YOU LISTENING AMAZON???
Lama
Reviewed in the United States on April 10, 2020
TDS meter was half the correct value. I used a 1000 ppm calibration solution for two other meters to check (this meter does not even calibrate). Junk! Don’t waste your money. The ph meter worked well for a few weeks, even calibrated we’ll, then ended up pinned to 3.42. I’ve purchased several other brands of these meters and these are the worst.
Terry D
Reviewed in the United States on August 27, 2019
So yeah, these work perfectly. Double checked them with some other meters I have. For the price, these are amazing! If they last, then great! If they don't, they still paid for themselves at this price point. But so far so good! They don't really take that long to settle out after introduction to a fluid - maybe a minute at most. But that's about the same speed as my bluelab probe used to take.
Tyler Slagle
Reviewed in the United States on July 17, 2019
I have been using these for a week now and they are very accurate and fast. A huge savings over name brand meters like Bluelab but less durable. If you are safe with you tools its a great buy. I will never buy anything else again. I tested it against calibrated meters when I first got it and it was dead on so I saved the calibration solution. If you grow any plant hydroponically, you need these meters. Find ppm and pH guides for the plant you specialize in and adjust accordingly to maximize growth.
Beneficial Purchaser
Reviewed in the United States on October 24, 2019
To accurately measure the PH of your liquid you need to buy a pre-made solution of alkaline water made specifically to calibrate PH readers.The PPM meter works very well and requires no setting up! A+!
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