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What is TDS?
TDS (Total dissolved solids) is a measure of the dissolved combined content of all inorganic and organic substances present in a liquid in molecular, ionized, or micro-granular (colloidal sol) suspended form.
We use this merit to measure the clearness of the water. The higher the TDS value, the more dissolved solid particles are in the water. We use this merit to check our household tap water, RO system water, bottled water, pool, hydroponic nutrient level, aquarium, etc.
Product Specification
Testing Range 0-9999ppm 0-99°C 32-212°F Accuracy: 2% Full Scale, ±1°C ±2°F Calibration: Factory Calibrated. Auto shut-off: 10 minutes Temperature Compensation: Automatic Operation Temperature: 32-105°F Power source: 2 x 1.5 V(LR44 Button Cell) Size: 6.1 x 1.2 x 0.8 inches Weight: 2.4 ounces
Package Included: 1 x TDS / EC meter 1 x Premium leather case 2 x AG 13(LR44) button cell batteries (included) 1 x instruction manual
Dave
Reviewed in the United States on August 28, 2024
Works great. I had the same one for the past 4 years and the battery finally died so I figured I'd just buy a new one.
grandmaEb
Reviewed in the United States on August 21, 2024
This item work like it is described . The City Farmer. If your just growing indoor plants or back yard greenhouse this will function just the way you want.
Customer
Reviewed in the United States on May 20, 2023
I know for a fact my pool salt level is 3000-3100 ppm ( to different test methods). However this device constantly measures TDS levels of 2200-2400 ppm for total dissolved solids. That can’t be possible. Salt is only one source of TDS components in the pool. Something is off with this device
Customer
Reviewed in the United States on November 8, 2019
Great meter. It’s super easy to use and has a cool case cover to keep it protected. Fast delivery, just all around a great purchase. I'm glad when searching I ordered this one. Don't be fooled by the price! Its better than more expensive ones.
Jaxsology
Reviewed in the United States on January 28, 2019
This meter works. What more can I say? I calibrated it out of the box, and have been using it for about 3 months without the need to recalibrate. I find this meter to be extremely accurate and useful. You will get value for your dollar with this pH meter.I would recommend this product.UPDATE: after 2 ½ - 3 years of use, I had to recalibrate the meter. I used the last of two calibration powders they provided (used the first upon initial use). Worked perfectly and the meter is once again accurate. You can tell it’s going wonky when the meter keeps changing levels while in the water. I need another as a back up but they have not been available. I would DEFINITELY but this again!
Michael O. Dunk
Reviewed in the United States on April 14, 2019
It seems to work well, it is simple to use. I would bought one that also measured ph if I had done s little more reaserch
William A. Parmley
Reviewed in the United States on November 11, 2018
We are experimenting with a small hydroponics kit and needed to be able to measure the quantity of nutrients in the water. This meter works well and gives a quick readout of the electrical conductivity (EC) of the water. The display is quite small so you might need a magnifying glass to see some of the details on the LCD display, but I don't consider that to be a problem (will depend on your age and eyesight!). I don't know how long the battery will last, but for my use probably a long time since measurement takes only a few seconds and is done infrequently. Note that if your use case requires that you measure a total dissolved solids (TDS) value, you just need to multiply EC by 500 (easy to do "in your head" if you multiply by 1000 and then divide by 2).
RayMan
Reviewed in the United States on March 9, 2017
This might be a good product, if not for the fact that the instructions fail to mention how to re-calibrate...Turns out....just push and hold the TEMP button until the display flashes zeros. Place meter in cal solution and use outer buttons for up down until you get to correct setting. Then hold TEMP again until display changes to the temp reading to store adjustment...
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