TDS Meter

Dual Function TDS Meter for Water Quality and Temp Measurements

16 reviews
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  • Measure TDS and Temperature of drinking water
  • Hold button for easy measurement readings
  • Range 0-9990 PPM
  • Batteries included


Total Dissolved Solids Or TDS is a measure of the dissolved combined content of all inorganic and organic substances present in a liquid. TDS is sometimes referred to as parts per million (ppm). You can test water quality levels using this digital TDS PPM meter.

Primary sources for TDS in receiving waters are agricultural & urban runoff, clay-rich mountain waters, leaching of soil contamination, & point source water pollution discharge from industrial or sewage treatment plants.

TDS in parts per million (PPM)

Chart values represent national U.S. averages. Actual TDS levels for geographic regions may vary.

Customer Reviews
4.3 Based on 16 Reviews
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Brittney C.
United States
I recommend this product

The only thing that I don’t like about it is that I have to add ice since it doesn’t dispense cold Water . I haven’t really used it because of the that reason but it’s a good machine

Timothy M.
United States United States
I recommend this product
Dual Function TDS Meter

Great product! Easy to use. Agrees with a much more expensive model I own. Great value!!

Raymond D.
United States United States
I recommend this product
Works well but small issue

Unit seems to work well but once waste water tank emptied it will not reseat in position properly. Requires complete drying of water port. If not the Unit flashes yellow and will not work little annoying

Steven B.
United States United States
I recommend this product
Sent twice.. never received it.

The first time they sent the TDS meter, they sent the wrong product. Reached out and they said they would send the TDS meter. I was notified one shipped but it never got past the “shipping label created” phase on the tracking. Got tired of waiting for it, and just ordered a nicer one on Amazon. Love the RKIN machine though!

Kathy C.
United States United States
I recommend this product
Delicious water

Arrived quickly, packed perfectly, easy to set up and the water is delicious!

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