There are 4 modes are: TDS temperature, EC temperature, TDS Fahrenheit, EC Fahrenheit, the lower right corner is the temperature display. Press shift to switch between different modes. TDS test range: 0~9999PPM.
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TDS Meter Digital Water Tester 0-9990ppm Drinking Water Quality Analyzer Monitor Filter Rapid Test Aquarium Hydroponics Pools
Aliexpress UK
It is a must-have item for family to test tap water, distilled water, bottled water and more. Multifunctional, practical and convenient. TDS range: 0-9990PPM. Conductivity range: 0-9990us/cm. Temperature range: 0.1-80℃.
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Professional pH Meter Pen Type Water Quality Tester Acidometer PH Acidity Meter for Aquarium Acidimeter Water Measuring PH818
Aliexpress UK
Can't find the cause of diarrhoea?. Quickly use our test pen to test the quality of the water. It can be used to test the water quality of the water purifier, to check whether the water purification effect of the water purifier has achieved the effect.
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Professional Pen Type PH Meter Portable PH Water Quality Tester Acidometer for Aquarium Acidimeter water PH Probe acidity meter
Aliexpress UK
The higher ppm value is,the more substances in the water. Widely apply to test water quality,for RO system, aquariums, hydroponics, pools, spas,etc. ON/OFF: on and off. (Tester will automatically shut off to save battery power without pressing any key within 10 mins.).
eBay
TDS Meter Digital Water Tester 0-9990ppm Drinking Water Quality Analyzer Monitor Filter Rapid Test Aquarium Hydroponics Pools
Aliexpress UK
Wide pH Range (0.00 – 14.00) – Suitable for testingdrinking water ,tap water ,aquariums ,hydroponics ,pools ,spas, and more. Gardening & hydroponics. Aquarium care. Pool & spa maintenance. LCD Display with Backlight – Clear digital screen for easy reading, even in low light conditions.
eBay
TDS Meter Digital Water Tester 0-9990ppm Drinking Water Quality Analyzer Monitor Filter Rapid Test Aquarium Hydroponics Pools
Aliexpress UK
RANGE : 0-9990 ppm. Used to test the purity of the water quality of the filter. ACCURACY : +/- 2%.
eBay
TDS Meter LCD Digital Water Tester 0-9990ppm Drinking Water Quality Analyzer Monitor Filter Rapid Test Aquarium Hydroponics Pool
Aliexpress UK
4 Display modes: Press SHIFT button: TDS - ppm & °C, EC - µs/cm & °C, TDS - ppm & °F, EC - µs/cm & °F. Suitable for tap water, RO systems, aquariums, or hydroponics. Color-Based Alert System: Quickly assess water quality with the smart color display.
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1pc White Handheld TDS Digital Water Tester High Precision Household Purified Tap Water Multifunctional Large Screen Display
Aliexpress UK
【4 in 1 pH Meter】A very complete kit for checking the quality of your water, whether it's from a faucet, hot tub, homebrew, indoor soil growing, aquarium, hydroponics or swimming pool. In addition, TDS tester and PH tester as pens are small in size, light in weight, and easy to carry when going out!【High Accuracy】PH meters range from 0.00-14.00 (PH), while digital EC and TDS meters range from 0 to 9999 ppm. PH resolution is 0.01pH, accuracy ± 0.01pH. TDS: 0 - 9999ppm, conductivity: 0 - 9999us/cm, accuracy: ± 2%, LCD blue backlight display for reliable and fast readings.【Easy Calibration】PH tester automatically calibrates at three points). You don't need any tools; just remove the protective cap and dip the pH meter electrode.
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Blue-tooth Digital 7 in 1 pH Meter PH/TDS/EC/ORP/Salinity /SG/TEMP Meter Water Quality Monitor Tester Drinking Water Aquariums
Aliexpress UK