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Auto-off function: the meter shuts off automatically after 10 minutes of non-use to conserve batteries. Hold function: saves measurements for convenient reading and recording and battery life is approx.
Tds-ez meters are calibrated with a 342 ppm nacl solution. Fun, translucent blue housing that's very strong and durable. From 1000 to 9990 ppm, the resolution is in increments of 10ppm, indicated by a blinking 'x10' image. Display: large and easy-to-read LCD screen. Meters can be recalibrated with a mini-screwdriver. Measurement range: 0-9990 ppm.

Tds meter - quick and easy measurement of water quality for drinking water, aquariums, hydroponics, and more. Radiation meter - gamma ray radiation detector with 24-hour background monitoring/recording, to continually protect you and your family from harmful radioactive contamination.
Charge colbo SafeCheck fully before updating. Excess nitrates in fruit, alzheimer's, vegetable, and meat could increase your risk for diabetes, Parkinson's disease, and certain types of cancer. Update colbo safecheck after purchase, and then regularly, to enjoy the latest features and fixes. Our portable digital meter offers four testing solutions in one convenient device.


6 parameter in one meter: ph / temperature °c, °f / conductivity / orp / tds total Dissolved Solids and Salinity. Multi parameter pentype water quality tester with large, easy to read and clear LCD.
Application: an ideal tool for all water quality testing like agriculture, aquarium, Water Treatment, Laboratory usage, Swimming pool & Spa, Fish Farming, chemical Industry, Plating industry, Garden husbandry, Drinking Water, Boiler, Anti-freeze Recycling, Hydroponic, Cooling tower, Food industry, etc.


1. ZeroWater
#ad
Blue, hand held, ZeroWater TDSmeter-20 ZT-2 Electronic Water Tester
#adZeroWater #ad - Get the lead out: zerowater filters are the only pour-through filters NSF Certified to remove chromium & lead. Measure total dissolved solids in water.More information #ad
Know exactly when to change filters. Compare water samples. Our pitchers, tumblers, & dispensers remove virtually all solids for the purest tasting water. Easy to Use.Brand | ZeroWater #ad |
Manufacturer | Zero Technologies, LLC #ad |
Height | 5 Inches |
Length | 6 Inches |
Weight | 0.15 Pounds |
Width | 7 Inches |
Part Number | ZT-2 |
Model | TDSmeter-20 |
More information #ad
2. HM Digital
#ad
1 ppm Resolution, 3% Readout Accuracy, 0-9990 ppm Measurement Range, HM Digital TDS-EZ Water Quality TDS Tester
#adHM Digital #ad - From 0-999 ppm, the resolution is in increments of 1ppm. Highly efficient and accurate due to its advanced microprocessor technology. 1000 hours of usage and power source is 2 x 1. 5v button cell batteries included LR44 or equivalent.Auto-off function: the meter shuts off automatically after 10 minutes of non-use to conserve batteries. Hold function: saves measurements for convenient reading and recording and battery life is approx.
More information #ad
Economy model that is ideal for end-users. Includes a tds chart sticker on the back of the meter that explains TDS values. Tds-ez meters are calibrated with a 342 ppm nacl solution. Fun, translucent blue housing that's very strong and durable. From 1000 to 9990 ppm, the resolution is in increments of 10ppm, indicated by a blinking 'x10' image. Display: large and easy-to-read LCD screen. Meters can be recalibrated with a mini-screwdriver. Measurement range: 0-9990 ppm.
Brand | HM Digital #ad |
Manufacturer | HM Digital, Inc. #ad |
Height | 6.1 Inches |
Length | 1 Inches |
Weight | 0.13 Pounds |
Width | 1.25 Inches |
Part Number | TDS-EZ |
Model | TDS-EZ |
More information #ad
3. COLBO
#ad
TDS Water Tester, Radiation Meter and Nuclear Survival Gear, Colbo SafeCheck: 4-in-1 Digital EMF Detector, and Nitrate Tester. Food and Water Quality Measuring, Radiation Detector
#adCOLBO #ad - Nitrate test - food and drink testing. Emf meter - not just for ghost hunting equipment or paranormal activity! Our electromagnetic radiation detector helps test for harmful frequency emissions from electronics, cell towers, and more.Tds meter - quick and easy measurement of water quality for drinking water, aquariums, hydroponics, and more. Radiation meter - gamma ray radiation detector with 24-hour background monitoring/recording, to continually protect you and your family from harmful radioactive contamination.
More information #ad
Useful for food, water, and environmental detection of contaminants and harmful chemicals:. Software update - colbo safecheck software can be easily updated over any WiFi network. Charge colbo SafeCheck fully before updating. Excess nitrates in fruit, alzheimer's, vegetable, and meat could increase your risk for diabetes, Parkinson's disease, and certain types of cancer. Update colbo safecheck after purchase, and then regularly, to enjoy the latest features and fixes. Our portable digital meter offers four testing solutions in one convenient device.
Brand | COLBO #ad |
Manufacturer | COLBO #ad |
Height | 0.03 Inches |
Length | 4.5 Inches |
Weight | 0.2 Pounds |
Width | 2.28 Inches |
Part Number | CB001 |
Warranty | 1 year |
More information #ad
4. Watts Premier
#ad
Watts Premier 273001 Digital Water Purifier Tester
#adWatts Premier #ad - Built-in sensor for Automatic Temperature Compensation. Tds range: 0 - 9990 ppm mg/L. Hold function: saves measurements for convenient reading and recording. Advanced microprocessor technology for dependable test accuracy. Large and easy-to-read LCD screen.More information #ad
Brand | Watts Premier #ad |
Manufacturer | Watts #ad |
Height | 6.25 Inches |
Length | 1.5 Inches |
Width | 1.5 Inches |
Part Number | 273001 |
Model | 273001 |
More information #ad
5. Gain Express
#ad
6-in-1 Waterproof pH/ORP/TDS/EC Conductivity/Salinity/Temp Meter Pocket Size Multi-Parameter Water Quality Tester Kit Replaceable ORP Probe
#adGain Express #ad - Measurement ranges: ph -2~16ph; temperature 0~90°c 32~194°f; conductivity 0~2000μs / 2. 00~2000ms; tds 0~1300ppm / 1. 30~13. 00ppt; orp -1000~1000mv; salinity 0~1000ppm / 1. 00~12. 00ppt.6 parameter in one meter: ph / temperature °c, °f / conductivity / orp / tds total Dissolved Solids and Salinity. Multi parameter pentype water quality tester with large, easy to read and clear LCD.
More information #ad
Features: with automatic temperature Compensation, Compact housing IP57 waterproof and it floats on water. Design: smart pen type combo water quality tester. Does not require a power supply to operate, so it can be used anytime and anywhere. Application: an ideal tool for all water quality testing like agriculture, aquarium, Water Treatment, Laboratory usage, Swimming pool & Spa, Fish Farming, chemical Industry, Plating industry, Garden husbandry, Drinking Water, Boiler, Anti-freeze Recycling, Hydroponic, Cooling tower, Food industry, etc.
Brand | Gain Express #ad |
Manufacturer | Gain Express Holdings Ltd #ad |
Height | 8 Inches |
Length | 9 Inches |
Weight | 1.52 Pounds |
Width | 3 Inches |
Part Number | M0199720-ORP |
Model | M0199720-ORP |
More information #ad
6. Digital Aid
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TDS, Best Water Quality Test Meter. Large Backlit LCD Screen. Professional TDS and Temperature Meter at an Economy Price. on this Accurate and Reliable Water Test Meter.
#adDigital Aid #ad - Last tds meter you'll have to buy, we're so confident we offer a 100% Money Back Guarantee for Life! Range:0-5000ppm, 0-9990 µs/cm, 01-800°c, 32. 0-176. 0°f. Professional quality, unlike economy models available, you get What You Pay For! If you are looking for a Super Accurate and Reliable Meter, this is the one for You! Tds tells you when you need to change your Filters.More information #ad
It saves you money and protects Your Health! Technical specs: accuracy: ± 2%.Brand | Digital Aid #ad |
Manufacturer | Digital Aid #ad |
Height | 1 Inches |
Length | 6 Inches |
Width | 1 Inches |
Part Number | TDS-3 |
Model | TDS - 3 |
More information #ad
7. Extech
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Salinity, Extech EC400 ExStik Waterproof Conductivity, TDS, and Temperature Meter
#adExtech #ad - Stores/recalls up to 15 labeled readings. Automatic self calibration. Adjustable conductivity to TDS ratio factor from 04 to 1. 06 selectable units of measurement--mS, mS, ppt, ppm, mg/L and g/L. Automatic temperature compensation.More information #ad
Brand | Extech #ad |
Manufacturer | Extech Instruments #ad |
Height | 1.4 Inches |
Length | 6.8 Inches |
Weight | 0.26 Pounds |
Width | 1.6 Inches |
Part Number | EC400 |
Model | EC400 |
Warranty | 1 year (meter only) |
More information #ad