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YIERYI PH-9851 LCD 2 in 1 PH / TDS Tester test pen lcd tester tds metr Water Quality tool Features: Use to measure the PH & TDS of solution. Easy calibration of pH and TDS with just a mini-screwdriver. Separate ... Read More

High Precision EC/PPM/CF/pH/ORP/Temperature/Humidity Meter for Lab, Aquarium, Industrial Use 7-in-1 functional design: 1. pH Measurement (0.0114.00) 2. EC (Electrical Conductivity) Measurement (0.0020.00 mS/cm) ... Read More

YIERYI TDS Meter CT-3060 tds meter tset pen Water Quality Analysis Meter swimming pool CT-3060 pen TDS is used to test TDS (solution dissolved solids total) precision instruments. Simultaneous display of TDS ... Read More

YIERYI 2 in 1 TDS Tester Multi-parameter Good Water Quality Monitor pH TDS Meter Features: Use to measure the PH & TDS of solution. Easy calibration of pH and TDS with just a mini-screwdriver. Separate pH and ... Read More

YIERYI CT-3060 Type TDS Meter Water Quality Analysis Meter 0-1000 PPM for Aquarium Pool Feature LCD with indicates both tds&temp pen type digital tds meter,all in one,tds electrode inclueded,eary to use water ... Read More

Yieryi EC Meter Digital Water PH Meter Filter Automatic calibration Tester for Measuring Features: Easy to carry and simple to operate. Test temperature in degrees / Fahrenheit(switchable unit). Use to measure ... Read More

YIERYI TDS Meter CT-3060 tds meter tset pen Water Quality Analysis Meter swimming pool Feature LCD with indicates both tds&temp pen type digital tds meter,all in one,tds electrode inclueded,eary to use water ... Read More

Black Color High Precision Water TDS Meter Pen Eur / Usa Plug English Version 2017 new brand English version black color EUR/USA plug High precision TDS Quality water electrolyzer electrolysis pen Description: ... Read More

YIERYI Digital TDS Meter Tester Pen Tap Bottled Water Quality Filter Purity Monitor Brand Product Feature: Test the quality of various water ensuring you are enjoying the best quality water. Ideal for using in ... Read More

3 in 1 Temp TDS EC Meter Digital Water Quality Purity Tester Portable Temperature Test Pen Detector for Drinking Water Aquarium Features: 1. Multifunctional 3-in-1 water quality tester: TDS EC Temp 2. 4 modes ... Read More