TDS Meter Digital Water Tester - ppm Meter, EC & Temperature Test Pen 3-in-1 | Easy to Use Water Quality Tester | Ideal for Testing RO Drinking Water Hydroponics Aquarium Swimming Pool & More (Green)
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Return this item for free
Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
Learn more about free returns.- Go to your orders and start the return
- Select the return method
- Ship it!
Purchase options and add-ons
- ✅ OUR SIMPLEST, FASTEST TDS METER YET - Just dip in the meter, stir, and get your results in seconds. No calibration or setup needed, you can use it straight out of the box. Follow the step-by-step instructions then check the easy-to-read screen.
- ✅ UPGRADED ACCURACY THAT LASTS - With the titanium alloy probe and the latest sensors, you can get almost exact readings every time. What’s more, the meter can be easily recalibrated for extended precision whenever needed.
- ✅ SUITABLE FOR ANY TYPE OF TDS OR EC TESTING - Check the TDS or EC of your aquarium, pool, or any water source. You can determine the effectiveness of your RO, DI, or distillation unit, check the nutrient levels of your hydroponic setup, and more.
- ✅ RESULTS YOU CAN UNDERSTAND - Your free (opt-in only) emailed user guide explains exactly what the results mean, and what you may want to do about them. If you have any questions, just ask our team of EPA water quality experts. We’re here to help!
- ✅ SAVE THE MONEY AND HASSLE - Instead of forking out for an expensive lab test or professional equipment, you can get reliable results from home. This ppm meter can also be taken anywhere with you in the free leather case, ready to test on the go.
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Product details
- Package Dimensions : 6.5 x 1.46 x 1.26 inches; 2.08 ounces
- Batteries : 1 C batteries required. (included)
- Date First Available : September 24, 2019
- Manufacturer : Health Metric
- ASIN : B07V7YZX81
- Best Sellers Rank: #19,955 in Industrial & Scientific (See Top 100 in Industrial & Scientific)
- #5 in Conductivity Meters & Accessories
- #189 in Lab Meters
- Customer Reviews:
Product Description
IS YOUR WATER QUALITY UP TO STANDARD?
TDS testing is an essential step to finding out the general quality of any water. This meter is like a “watchdog” that tells you if the water is the way it should be, or if there’s something to worry about.
GET YOUR WATER QUALITY READINGS IN SECONDS
This meter shows the Total Dissolved Solids (TDS), Electrical Conductivity (EC), Temp °F, and Temp °C of any liquid within just a few seconds. Equipped with the latest sensors and titanium alloy electrodes, the factory-calibrated meter gives you TDS or EC readings straight out of the box.
All you need to do is dip the meter in water, give it a stir, and watch the numbers lock in on the easy-to-read backlit LCD screen. You’ll then get an idea of what your water quality is really like.
THE CLOSEST THING TO LAB-QUALITY RESULTS FROM HOME
Even though no TDS meter can replicate the accuracy of an expensive laboratory instrument, it’s ideal for getting a close estimation.
- TDS: 0-9999 ppm
- Conductivity: 0-9990 μs/cm
- Temperature range: 32-176°F and 1-80°C.
- Battery: 1 x 3V Button Cell CR2032
- Conversion factor: NaCl
- Auto data-hold: lock and record readings
- Auto-off function for extended battery life
Factory calibrated with manual calibration capability!
Making the complex simple
We do this by making water testing as easy as possible. You can always count on our team of water quality experts to help you understand what it all means. Above all, we’re here to help!
CHECK THE QUALITY OF YOUR WATER FOR ALMOST ANY APPLICATION
The great thing about this meter is that it works for almost any type of water testing you have in mind:
- Private water sources like wells
- RO, DI, or distillation unit effectiveness
- Nutrient levels in hydroponic setups
- Aquariums or fish tanks
- Swimming pools, hot tubs, and spas
- Many more
NOTE: TDS meters cannot be used for testing water hardness. Look for further explanation in the guide.
Water Hardness Test Strips | Drinking Water Test Kit | Well Water Test Kit | Heavy Metals Test Kit | Coliform Bacteria Test | |
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Customer Reviews |
4.4 out of 5 stars
2,718
|
4.3 out of 5 stars
2,114
|
4.3 out of 5 stars
1,988
|
4.2 out of 5 stars
871
|
4.5 out of 5 stars
1,675
|
Test For: | Total Hardness | Lead, Coliform Bacteria, Copper, Nitrate & Nitrite, Chlorine, Total Alkalinity, pH, Total Hardness | Coliform Bacteria, Nitrate & Nitrite, Manganese, Hydrogen Sulfide, Total Alkalinity, Total Hardness, pH | Lead, Iron, Mercury, Copper | Coliform Bacteria |
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Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers like the value, quality and size of the water meter. For example, they mention it's a great product for the price, works well and is compact. Customers also like the instructions. That said, opinions are mixed on temperature correction, accuracy, and readability.
AI-generated from the text of customer reviews
Customers like the quality of the tool. They mention that it works well, is excellent, and very accurate. They say it's handy and provides useful information. Customers also say that it'll work fantastically for measuring the nutrients in their hydroponic units.
"This little water tester is simple to use, and very nice. It comes with a cute vinyl case, and then you just pop off the plastic probe cover...." Read more
"...added features of temperature and electric current measurement is very useful as well, and was the reason I chose the TDS/EC over other devices...." Read more
"Got one on Little Tech Girl’s recommendation. Working out fantastically for measuring the nutrients in my Aerogarden type of hydroponic units...." Read more
"Works great, but I still don't know what the numbers should be." Read more
Customers find the instructions for the tool simple, easy to read, and accurate. They also appreciate the separate tips in the included PDF. Overall, customers are satisfied with the instructions provided with the tool.
"This little water tester is simple to use, and very nice. It comes with a cute vinyl case, and then you just pop off the plastic probe cover...." Read more
"...I know when it's time to change my filters it's also very simple to use made of good plastic put pretty sure if you strap on it it might break and..." Read more
"...This product works as advertised, is simple to use, and gives consistent results...." Read more
"...Quick and easy." Read more
Customers like the value of the meter. They say it is great for the price, cheap, and has amazing performance. Some customers also mention that it has a pretty good result for a low end meter and better than any of the others they have owned.
"...if you drop it it it'll survive more than a couple drops over very good for the price 👍..." Read more
"...This is a pretty good result for a low end meter and better than any of the others I have owned before...." Read more
"The TDS tester works wonderful. It is a great value for the price. Caution is required when taking it out of the little vinyl case...." Read more
"...I like the hold feature and the C and Farenheit scales. Good price point. I'm going to do more testing. Like test tap water then distilled water...." Read more
Customers like the size of the tool. They say it is a good portable tester, and is easy to use. Customers also appreciate the compact efficiency of the design. Overall, customers find the product to be a must have and carry friendly.
"...So I was pleased. Such a small and handy meter to use. Now I mostly use this TDS meter to test the EC of the fertilizer mix." Read more
"...We appreciate the PDF file sent. They can be easily stored on the computer and the extra information was great...." Read more
"...Most remarkable product. A must have product- and Carry friendly too.Don't leave home without one of these...." Read more
"...It's a little small for my hand to hold. Might be better to put the pool water in a beaker...." Read more
Customers are mixed about the accuracy of the water meter. Some mention that it's reasonably accurate, and holds a stable calibration. However, others say that the readings vary slightly with each different water sample, and are off by 127 ppm or more. Pressing the on/off button will not increase the calibration value, and the reading would reset.
"No need to calibrate it, because it came calibrated...." Read more
"Pretty good very accurate might be off by a couple ppm max I would say 2 but I get a good reading from my osmosis system I know when it's time to..." Read more
"...The readings vary slightly with each different water sample...." Read more
"...The meter accuracy is just a good but the build and quality looks like they’ve made some cuts to quality." Read more
Customers are mixed about the temperature correction of the product. Some mention that the reading was accurate, while others say that it's off by 2+ degrees F. The temperature does not move off 34 degrees no matter how hot the water is, and it takes longer to equilibrate temperature. The readings doesn't have a third digit, so 103.5F comes up as 03.5.
"...(EC and temperature readings). I am a fan...." Read more
"...Unit is very accurate. Temp is only a couple of degrees off. Tested against two other thermometers...." Read more
"...My main concern is the temp is off by 2+ degrees F (tested against two of my kitchen thermometers and an infrared thermometer) and the reliability..." Read more
"...I understand that this can check water of different temperatures without effectingthe reading...." Read more
Customers are mixed about the readability of the tool. Some mention it provides quick, precise, and repeatable readings. They also like that it gives an immediate reading and the hold button to save. However, others say that the display is dim and next to impossible to read. They say it doesn't accurately read, and that the meter gives a slightly different reading than other meters they own.
"...One more thing, when the hold function is active there is no indication on the display and it seems to go into hold mode automatically after a few..." Read more
"...First let me say this gives me a very good indication when to change my filters on these machines as well as knowing what I need to do for my..." Read more
"...It seems to be auto adding together, and I do not get individual reading for each amt’s added after...." Read more
"It’s cheaply made, hard to read the numbers. You need to hold it at certain angle to read it. Inconsistent readings." Read more
Customers are mixed about the waterproofness of the product. Some mention that it takes care of their water problems and is well within acceptable ranges, while others say that it's not water proof and that the water is awful to worse.
"...The unit is not waterproof, so don't submerge the whole thing. The digital reading is immediate...." Read more
"...The reading had dropped down from about 160 to 4ppm. The water is nearly pure and devoid of particulates...." Read more
"...I'm sure glad I did. I found my tap water is really bad, around 900ppm. Thanks to the guides included I found it should be 500ppm or under...." Read more
"Not water proof works well other wise accuracy is great" Read more
Reviews with images
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Top reviews
Top reviews from the United States
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So I thought I had a good meter. I even wrote the dribble below. I retract all of it. If you want a good meter PH or EC/PPM you need to cough up some cash and NOT get one that looks like one of the others at the same price point. If you want a good EC/PPM meter be ready to shell out around $50 or more. Don't waste you time or money on one of these cheap pieces of junk. I am fairly confident that anyone who rated this thing at 4 or 5 stars is regretting it now. They do not last, do not re-calibrate and cannot be trusted. Spend the money and save yourself the headache.
Don't listen to this garbage I wrote before.......if you did, I apologize.
I am finding that when it comes to inexpensive meters of this type (Ph and PPM) you can just get lemons. If you read the reviews of just about any low cost TDS tester on Amazon you'll read good and bad reviews - no exceptions. So be prepared to send one or two back before you get one that works right.
This is my second TDS meter with the first one not accurate when tested using some 342PPM calibration solution - which I highly recommend you get. This one read 340 PPM which is pretty accurate for my needs. My first one read under 300 PPM. I plan to check this on on occasion because the PPM is pretty important for my use. You can compensate for a few PPM, but when it gets way off, best to just buy another one or drop the dime for a laboratory grade model that will set you back over $100. And test it often so you know when it's getting out of wack. Would be great if you could re-calibrate them, but at this price point I did not find one model with that feature.
For the most part the inexpensive models all look and operate the same and are made in China. This one is from a different manufacturer than the first I bought and it looks almost identical. I suspect they are probably all made in the same factory.
That said, this one works great and I am pleased with the purchase. So yeah five stars, with one of the stars for me and being patient.
My advice...buy one and test it and if it works great, if not, send it back and try again. Or go to your local hydro shop and pay the big bucks. Oh and BTW I am doing the same right now with a Ph meter I bought. Sent one back while another is on the way. I'm just cheap !!!
Top reviews from other countries
It's quite easy to use nonetheless. The instructions are pretty clear too.
MY USE: Bought for home / to test the efficiency of a Brita water filter . Been drinking tap water , deemed safe for drinking by the city. Bought a over the counter water filter and wanted to see the difference - if any . A TDS range from 50 to 150 is best for drinking. Pic 5/6 show the readings of 'carbon filter water' and 'tap water'.
IN BOX:: Comes with a carry case , and protective cap for electrodes . Dual electrodes measure .pic 4 Illustrated usage manual - with pics . Nice touch. - Would have liked a bit more detail on EC/TDS standards- But they have a website for more info.
Easy to change battery - the battery cap slides out easily- and pull the battery . Pic 3 . Battery is CR 2932- easily and cheaply available .
TIPS-
- keep the liquid below the immersion line , yet above the reading marker . pic 7
- always keep the electrode cap on to avoid damaging the prongs.
- testing 2 separate liquids , shake off the previous liquid completely bef inserting the tester into a new liquid - this will give accurate readings.
hope this helps!
Reviewed in Canada on July 31, 2018
MY USE: Bought for home / to test the efficiency of a Brita water filter . Been drinking tap water , deemed safe for drinking by the city. Bought a over the counter water filter and wanted to see the difference - if any . A TDS range from 50 to 150 is best for drinking. Pic 5/6 show the readings of 'carbon filter water' and 'tap water'.
IN BOX:: Comes with a carry case , and protective cap for electrodes . Dual electrodes measure .pic 4 Illustrated usage manual - with pics . Nice touch. - Would have liked a bit more detail on EC/TDS standards- But they have a website for more info.
Easy to change battery - the battery cap slides out easily- and pull the battery . Pic 3 . Battery is CR 2932- easily and cheaply available .
TIPS-
- keep the liquid below the immersion line , yet above the reading marker . pic 7
- always keep the electrode cap on to avoid damaging the prongs.
- testing 2 separate liquids , shake off the previous liquid completely bef inserting the tester into a new liquid - this will give accurate readings.
hope this helps!
Reviewed in Canada on August 16, 2023